# |
Number sign, octothorp; special function key |
|
* |
Star, special function key |
|
1-ESS |
x-ESS series of Electronic Switching Systems |
|
1000BASE-T |
1000 Megabits per Second, Baseband, Twisted Pair |
|
100BASE-T |
100 Megabits per second, Baseband, Twisted pair |
|
100BASE-T2 |
100 Megabits per Second, Baseband, Two-pair Category 3 UTP cables |
|
100BASE-T4 |
100 Megabits per Second, Baseband, Four-pair Category 3 UTP cables |
|
100VG |
100 Voice Grade (IEEE 802.12 AnyLAN Standard) |
|
10BASE-T |
10 Megabits per second, Baseband, Twisted pair |
|
1FB |
Single line, Flat Business rate; |
|
2G |
Second Generation Wireless Systems |
|
2G |
Second generation cellular |
|
2G |
Second-generation mobile telephone system |
|
2W |
Two Wire |
|
2W |
2-Wire |
|
3-d |
3-Dimensional |
|
3G |
Third Generation (mobile communication system) |
|
3G |
3rd Generation Wireless Format |
|
3G |
Third Generation mobile phone network |
|
3G HSPA |
Third-Generation High-Speed Packet Access |
|
3GIP |
Third Generation Internet Protocol |
|
3GPP |
Third-Generation Partnership Project |
|
3GPP |
Third Generation Partnership Project |
|
3GSM |
Third-generation Global System for Mobile (communications) |
|
3RNGR |
Three Ringer |
|
3WC |
Three Way calling |
|
3WO |
Third Wire Open |
|
4 GIG |
4 Giga Intellectual Gadget |
|
4G |
Fourth Generation |
|
4G |
Fourth Generation Wireless Systems |
|
4GL |
Fourth-Generation Language |
|
4W |
Four-Wire |
|
4WA |
Four Wire Analog |
|
4WAI |
Four-Wire Analog Interface |
|
4WE&M |
Four-Wire Ear and Mouth |
|
9 |
Nine |
|
800 |
Freephone |
|
802.11 HR |
High data Rate IEEE 802.11 Wireless LAN protocol |
|
802.x |
Series of LAN standards developed by IEEE |
|
888 |
Freephone |
|
911 |
Emergency Services Phone Number |
|
A |
All lines |
|
A |
Anode |
|
A-key |
Authentication key |
|
A/C |
Air Conditioner |
|
A/D |
Analog-to-Digital converter |
|
A/V |
Audiovisual |
|
AA |
Audit Agent |
|
AA |
Agile Access |
|
AA |
Auto-Answer |
|
AA |
Automatic Answer |
|
aaai |
American Association for Artificial Intelligence's |
|
AAAS |
American Association for the Advancement of Science |
|
AAC |
Advanced Audio Coding |
|
AAC |
Alternate Area Code |
|
AADC |
Automated Area Distribution Center |
|
AADS |
Ameritech Advanced Data Services |
|
AAF |
Advanced Authoring Format |
|
AAL |
ATM (Asynchronous Transmission Mode) Adaptive Layer |
|
AAL2 |
ATM (Asynchronous Transmission Mode) Adaptation Layer 2 |
|
AAL5 |
ATM (Asynchronous Transmission Mode) Adaptation Layer 5 |
|
AAP |
Alternate Access Provider |
|
AAPR |
Annual Average Performance Ratio |
|
AAR |
Automatic Alternate Routing |
|
AARQ |
A-Associate Request |
|
AAS |
Automatic Announcement Subsystem |
|
AAS |
advanced automation system (FAA) |
|
AAS |
Adaptive Antenna System |
|
AASR |
Abbreviated Access Service Request |
|
AATSR |
Advanced Along-Track Scanning Radiometer |
|
AAV |
Alternate Access Vendor |
|
AAV |
Alternative Access Vendor |
|
AAV |
Accountholder Authentication Value |
|
AB |
Answer Back |
|
ABATS |
Automatic Bit Access Test System |
|
abbr |
Abbreviation |
|
ABC |
activity based costing |
|
ABET |
Accreditation Board for Engineering and Technology, Inc. |
|
ABI |
Application Binary Interface |
|
ABM |
Asynchronous Balanced Mode |
|
ABN |
Abnormal |
|
ABR |
Available Bandwidth Rate |
|
ABR |
Available Bit Rate |
|
ABTA |
Associação Brasileira de Telecomunicações por Assinatura |
|
AC |
Authorization Center |
|
AC |
Absorption Coefficient |
|
AC |
Alternating Current |
|
AC |
Always Connected |
|
AC |
Access Control |
|
AC |
Area Code |
|
AC |
Armored Cable (electricity) |
|
ACA |
Automatic Circuit Assurance |
|
ACA |
Adaptive Channel Allocation |
|
ACAP |
Application Configuration Access Protocol |
|
ACC |
Area Control Center |
|
ACC |
Adaptive Cruise Control |
|
ACC |
Automatic Carrier Control |
|
ACD |
Apex Collaborative Dialing |
|
ACD |
Automatic Call Distributor |
|
ACE |
Adaptive Communication Environment |
|
ACE |
Access Control Entry |
|
ACE |
Advanced Computing Environment |
|
ACE |
Authentication Encryption |
|
ACEK |
Authentication Encryption Key |
|
ACF |
Advanced Communications Function (IBM) |
|
ACF |
Access Coordination Function |
|
ACF |
Advanced Communications Facility |
|
acf |
Admission Confirm |
|
ACF |
Access Control Field |
|
ACFQ |
Absence Compensation Fair Queuing |
|
ACG |
Automatic Code Gapping |
|
ACH |
Automated Clearing House |
|
ACIS |
Andy Charles Ians System solid modelling geometric engine |
|
ACK |
Acknowledge (telecommunications; Cf. NAK) |
|
ACK |
ACKnowledgment |
|
ACL |
Average Call Length |
|
ACL |
Access Control List |
|
ACL |
Asynchronous Connection-less Link |
|
ACLR |
Adjacent Channel Leakage Ratio |
|
ACM |
Address Complete Message |
|
ACM |
Association for Computing Machinery |
|
ACMA |
Atlantic Cable Maintenance Agreement |
|
ACNA |
Access Customer Name Abbreviation |
|
ACO |
Additional Call Offering |
|
ACOU |
Additional Call Offering Unrestricted |
|
ACP |
Access Control Point |
|
ACPI |
Advanced Configuration and Power Interface |
|
ACR |
Attenuation Crosstalk Ratio |
|
ACR |
Anonymous Call Rejection |
|
ACRE |
Authorization and Call Routing Equipment |
|
ACS |
Accelerated Change Service |
|
ACSE |
Association Control Service Element |
|
ACT |
Activity |
|
ACT |
ACTIVITY, ACTIVITIES |
|
ACTS |
Automated Coin Toll System |
|
ACTV |
Active |
|
ACU |
Automatic Calling Unit |
|
ACVS |
Ameritech Customized Video Service |
|
AD |
Active Directory |
|
ADAD |
Automatic Dialing Announcing Device |
|
ADB |
Apple Desktop Bus |
|
ADC |
Administration Center |
|
ADC |
Advanced Data Control |
|
ADC |
Analog-Digital Converter |
|
ADC |
Access Deficit Charge |
|
ADCCP |
Advanced Data Communication Control Procedures |
|
ADCCP |
Advanced Data Communications Control Procedures |
|
ADD |
Addendum |
|
ADEOS |
ADvanced Earth Observing Satellite (Japan) |
|
ADF |
Automatic Direction Finder |
|
ADF |
Application Dedicated File |
|
ADF |
automatic document feeder |
|
ADIF |
Accounting Data Interchange Format |
|
ADL |
Advanced Distributed Learning |
|
ADLI |
Automatic Dial Line Identification |
|
ADM |
Administration Building |
|
ADM |
Add/Drop Multiplexer |
|
ADM |
Add-Drop Multiplexer |
|
ADM |
Administration, Office of |
|
ADM 3X |
DS3 Add-Drop Multiplex |
|
ADN |
Advanced Digital Network |
|
ADN |
Abbreviated Dialing Number |
|
ADP |
Automatic Data Processor |
|
ADPC |
Automatic Data Processing Center |
|
ADPCM |
Adaptive Differential Pulse Code Modulation |
|
ADPE |
Automatic Data Processing Equipment |
|
ADR |
Address |
|
ADSL |
Asymmetric Digital Subscriber Line |
|
ADSRF |
Additional Device Savings Recovery Fee |
|
ADT |
Abstract Data Type |
|
ADT |
American District Telegraph Company |
|
ADT |
Atlantic Daylight Time (UTC-3 Hours) |
|
ADTM |
Asynchronous Data Transfer Mode |
|
ADTN |
Agency Data Telecommunications Network |
|
ADTS |
Ameritech Digital Transport Service |
|
ADTS |
Automated Digital Terminal System |
|
ADTS-E |
Ameritech Digital Transport Service - Enhanced |
|
ADU |
Accumulation and Distribution Unit |
|
ADU |
Analog-to-Digital Unit |
|
AE |
Account Executive |
|
AE |
Application Entity |
|
aea |
American Electronics Association's |
|
AEC |
Architecture, Engineering, Construction |
|
aect |
Association for Educational Communications and Technology's |
|
AEE |
Agent Execution Environment |
|
AEIMP |
Apple Event Interprocess Messaging Protocol |
|
AES |
Advanced Encryption Standard |
|
AES |
Auger Electron Spectroscopy |
|
AEW |
Airborne Early Warning |
|
AF |
Assured Forwarding |
|
AF |
Audio Frequency |
|
AFAIK |
As Far As I Know |
|
AFC |
Automatic Frequency Control |
|
afcea |
Armed Forces Communications and Electronics Association's |
|
AFI |
Authority and Format Identifier |
|
AFIPS |
American Federation of Information Processing Societies |
|
AFM |
Atomic Force Microscopy |
|
AFOSR |
Air Force Office Of Scientific Research(USA) |
|
AFP |
AppleTalk Filing Protocol |
|
AFPS |
Automatic Facility Protection Switching |
|
AFRINIC |
African Network Information Centre |
|
AFS |
Andrew File System |
|
AFSK |
Audio Frequency Shift Keying |
|
AGC |
Automatic Gain Control |
|
AGCH |
Access Grant Channel |
|
AGP |
Accelerated Graphics Port |
|
AGPS |
Assisted Global Positioning System |
|
AGRAS |
Air-Ground Radiotelephone Automated Service |
|
AH |
Authentication Header |
|
AHT |
Average Holding Time |
|
AI |
Airborne Interception |
|
AI |
Adapter Interface |
|
AIF |
Audio Interchange Format |
|
AIFF |
Audio Interchange File Format |
|
AIN |
Advanced Intelligent Network |
|
AIOD |
Automatic Identification of Outward Dialed calls |
|
AIOD |
Automatic Identification of Outward Dialing |
|
AIP |
Administrative Installation Point |
|
AIR |
Account Information and Refill |
|
AIS |
Alarm Indication Signal |
|
AIS |
Automated Information System |
|
AIS-L |
Alarm Indication Signal - Line |
|
AIS-P |
Alarm Indication Signal - Path |
|
AIS-V |
Alarm Indication Signal - Virtual |
|
AIT |
Automatic Identification Technology |
|
AIU |
Analog Interface Unit |
|
al |
Alignment Level |
|
AL |
Alignment |
|
ALB |
Analog Loopback |
|
ALC |
Automatic Line Controller |
|
ALC |
Automatic Level Control |
|
ALCAP |
Access Link Control Application Protocol |
|
ALI |
Automatic Location Identifier |
|
ALI |
Automatic Location Information |
|
ALIS |
Access Lines in Service |
|
ALIT |
Automatic Line Insulation Test |
|
ALOC |
Average Length Of Call |
|
ALS |
Accounts Ledger System |
|
ALS |
Alternative Line Service |
|
ALT |
Automatic Link Transfer |
|
ALT |
Accelerated Life Test |
|
AM |
Amplitude Modulation |
|
AM |
Advance Mobile |
|
AM |
Ante Meridian |
|
AM |
Activity Manager |
|
AMA |
automatic message accounting |
|
AMC |
Adds, Moves and Changes |
|
AMD |
Advanced Micro Devices, Inc. (producer of computer chips) |
|
AME |
Amplitude Modulation Equivalent |
|
AMEL |
Active-matrix Electroluminescent |
|
AMHS |
Automated Message Handling System |
|
AMI |
Alternate Mark Inversion |
|
AMI |
Advanced Metering Infrastructure |
|
AMI |
Alternate Mark Indicator |
|
AML |
Amplitude Modulated Link |
|
AMLCD |
Active Matrix Liquid Crystal Display |
|
AMOLED |
Active Matrix Organic Light-Emitting Diode |
|
amp |
amplifier / amplification |
|
AMPS |
Advanced Mobile Phone Service (cellular phone standard) |
|
AMPS |
Advanced Mobile Phone System |
|
AMR |
Automated meter reading also known as Automatic Meter Reading |
|
AMS |
Analog and Mixed Signal |
|
AMSI |
Ameritech Message Signal Interface |
|
AMSS |
Automatic Message Switching System |
|
AMT |
Australasian Mobile Telecommunications |
|
AMT |
Amount |
|
AMTFT |
Active Matrix Thin Film Transistor |
|
AMTI |
Airborne Moving Target Indicator |
|
AN |
Access Node |
|
AN |
Accessory Number |
|
ANAC |
An Automatic Number Announcement Circuit |
|
ANC |
Access Network Controller |
|
ANCD |
Automatic Network Call Distrubution |
|
ANI |
Automatic Number Identification (Caller ID) |
|
ANP |
Autonomous Network Planning |
|
ANS |
Advanced Network Services |
|
ANSI |
American National Standards Institute, Inc. |
|
ANSI |
Advanced Network Signaling Input |
|
ANSI-41 |
ANSI standard for mobile management |
|
ANT |
ADSL Network Terminator |
|
AOA |
Angle Of Arrival |
|
AOC |
ADSL (Asynchronous Digital Subscriber LIne) Overhead Control channel |
|
AOI |
Area Of Interest |
|
AOL |
America on line |
|
AON |
All-Optical Network |
|
AOS |
Alternative Operator Services |
|
AOS |
Alternate Operator Service |
|
AP |
Applications Processor |
|
AP |
Application Protocol |
|
AP |
access point |
|
AP |
Action Point |
|
APC |
American Power Conversion |
|
APDU |
Application Protocol Data Units |
|
API |
Application Programming Interface |
|
APIC |
Advanced Programmable Interrupt Controller |
|
APM |
Advanced Power Management |
|
APN |
An Access Point Name |
|
APOT |
Access Point Of Termination |
|
APPC |
Advanced Program-to Program Communications |
|
APPL |
Application |
|
APPN |
Advanced Peer-to-Peer Network |
|
APR |
Alarm Processing Remote |
|
APR |
Annual Percentage Rate |
|
APS |
Automatic Protection Switching (SONET/SDH) |
|
APS |
Advanced Power System |
|
APS |
Affordable Portable Services |
|
APS |
American Protective Services |
|
APT |
Automatic Picture Transmission |
|
APTC |
Atlantic Provinces Telecommunications Council |
|
APTG |
Amplifier Probe and Tone Generator Kit |
|
APTG |
Academy for Professional TraininG |
|
APTG |
Asia Pacific Telecom Group |
|
AQL |
Acceptable Quality Level |
|
AQP |
Association for Quality and Participation |
|
AR |
Access Rate |
|
ARA |
Apple Remote Access |
|
ARAI |
Adjunct Route Application Interface |
|
ARC |
Army Reuse Center |
|
ARCNET |
Attached Resource Computer Network |
|
ARD |
Automatic Ring Down |
|
ARDIS |
Advanced Radio Data Information Service |
|
ARE |
All Routes Explorer |
|
ARFA |
Allied Radio Frequency Agency |
|
ARG |
Argument |
|
ARIN |
American Registry for Internet Numbers |
|
ARINC |
Aeronautical Radio Incorporated |
|
ARJ |
Admission Reject |
|
ARM |
Asynchronous Response Mode |
|
ARP |
Access Responsible Party |
|
ARP |
Address Resolution Protocol (ATM) |
|
ARPA |
Advanced Research Projects Agency (made early internet) |
|
ARPANET |
ARPA Network |
|
arpt |
Autorité de Régulation des Postes et Télécommunications |
|
ARPU |
Average Revenue Per User |
|
ARQ |
Admission Request |
|
ARQ |
Automatic Repeat-reQuest |
|
ARS |
Automatic Route Selection |
|
ARSR |
Air Route Surveillance Radar |
|
AS |
Access System |
|
AS |
Active Service |
|
AS |
Autonomous System |
|
AS56 |
Access System Centum 56 series |
|
ASA |
Avaya Site Administration |
|
ASA |
Acoustical Society of America |
|
ASA |
American Standards Association |
|
ASAP |
As Soon As Possible (pronounced AY-sap) |
|
ASAR |
Advanced Synthetic Aperture Radar |
|
ASARS |
Advanced Synthetic Aperture Radar System |
|
ASAS |
All-Source Analysis System |
|
ASB |
Application-Specific Bit |
|
ASC |
Available Spare Capacity |
|
ASCII |
American National Standard Code for Information Interchange |
|
ASD |
Alternative Service Delivery |
|
ASDE |
Airport Surface Detection Equipment |
|
ASE |
Accredited Systems Engineer |
|
ASE |
Application Service Element |
|
ASEAN |
Association of South East Asian Nations |
|
ASI |
Asynchronous Serial Interface |
|
ASIC |
Application Specific Instruction Code |
|
ASIC |
application-specific integration circuit |
|
ASK |
amplitude shift keying |
|
ASLV |
Augumented Satellite Launch Vehicle |
|
ASME |
American Society of Mechanical Engineers |
|
ASN.1 |
Abstract Syntax Notation One |
|
ASN.1 |
Abstract Syntax Notation 1 |
|
ASP |
Application Service Provider |
|
ASP |
Active Signaling Protocol |
|
ASQ |
Alpha System Qualification |
|
asqc |
American Society for Quality Control's |
|
ASR |
Automatic Set Relocation |
|
ASR |
Automatic Send-Receive |
|
ASR |
Automatic Speech Recognition |
|
ASR |
Access Service Request |
|
ASR |
Airport Surveillance Radar |
|
ASTD |
American Society of Training and Development (Alexandria, Virginia) |
|
ASTE |
Advanced Systems and Telecommunications Equipment |
|
ASTM |
American Society for Testing and Materials (Philadelphia, Pennsylvania) |
|
ASYNC |
Asynchronous |
|
AT |
Access Tandem |
|
AT |
Advanced Technology |
|
AT |
ATtention command |
|
AT |
Attenuation |
|
AT |
Access Terminal |
|
AT&T |
American Telephone and Telegraph (U.S. company, also known as "Ma Bell") |
|
AT&T |
American Telephone & Telegraph |
|
ATA |
Analog Telephone Adapter |
|
ATA |
Area Transportation Authority |
|
ATACS |
Army Tactical Communications System |
|
ATB |
All Trunks Busy |
|
ATB |
Above-Ground Telecommunications Backbone |
|
ATC |
Advanced Technology Center |
|
ATC |
Air traffic control |
|
ATCA |
Advanced Telecom Computing Architecture |
|
ATCRBS |
Air Traffic Control Radar Beacon System |
|
ATD |
Advanced Technology Demonstration |
|
ATF |
Advanced Tactical Fighter |
|
ATIS |
Automatic Transmitter Identification System |
|
ATIS |
Alliance for Telecommunications Industry Solutions |
|
ATL |
Advanced Technology Laboratory |
|
ATL |
Atlanta |
|
ATLAS |
Accessing Telecoms Links Across Scotland |
|
ATM |
Automated Transmissions Machine |
|
ATM |
Automatic Teller Machine |
|
ATM |
Asynchronous Transfer Mode |
|
ATM |
Adobe Type Manager |
|
ATMS |
automatic transmission measuring system |
|
ATN |
Aeronautical Telecommunication Network |
|
AToM |
Any Transport over MPLS (Multi-Protocol Label Switching) |
|
ATP |
Association of Telecom Professionals |
|
ATR |
Advanced Telecommunications Research laboratory |
|
ATR |
Advanced Telecommunications Research Institute |
|
ATRAC |
Adaptive Transform Acoustic Coding |
|
ATS |
Abstract Test Suite |
|
ATS |
Automatic Transfer Switch |
|
ATS |
applications technology satellite |
|
ATS |
Air Traffic Services |
|
ATSC |
Australian Telecommunications Standardization Committee |
|
ATSC |
Advanced Television Systems Committee |
|
ATSR |
Along-Track Scanning Radiometer |
|
ATTN |
Attention |
|
ATTRA |
Appropriate Technology Transfer for Rural Areas |
|
ATU-C |
ADSL (Asymmetric Digital Subscriber Line) Transceiver Unit - Central office end |
|
ATU-R |
ADSL (Asymmetric Digital Subscriber Line) Transceiver Unit - Remote terminal end |
|
ATZ |
Attention: Reset modem |
|
AU |
Audio Units |
|
AU |
Audio Unit |
|
AuBW |
AutoBot Walkthrough |
|
AUD |
Audit |
|
AUI |
Attachment Unit Interface |
|
AUP |
Acceptable Use Policy |
|
AUSPI |
Association of Unified Telecom Service Providers of India |
|
AV |
AUTOVON |
|
AVD |
Alternate Voice/Data |
|
AVHRR |
Advanced Very High Resolution Radiometer |
|
AVL |
Available |
|
AVR |
Automated Voice Response |
|
AVT |
Audio Visual Telecommunications |
|
AWA |
Advanced Wireless Access |
|
AWACS |
Airborne Warning And Control System |
|
AWCC |
Afghan Wireless Communications Company |
|
AWG |
American Wire Gauge |
|
AWG |
arrayed waveguide grating |
|
AWS |
Advanced Wireless Services |
|
AWT |
Agence Wallonne des Télécommunications |
|
AXE 10 |
Series of electronic telephone exchanges from L.M. Ericsson |
|
AYT |
Are You There |
|
AZDL |
Adjusted Zonal Daily Load |
|
B |
Bits |
|
B-CPE |
Broadband Customer Premises Equipment |
|
B-ICI |
Broadband Inter-Carrier Interface |
|
B-ISDN |
Broadband Integrated Services Digital Network |
|
B-ISDN |
Broadband ISDN |
|
B-ISUP |
Broadband ISDN User Part |
|
B2B |
Business to Businesse |
|
B2B |
Business-to-Business |
|
B2C |
Business-to-Consumer |
|
B3G |
Beyond Third Generation |
|
B3ZS |
bipolar 3-zero substitution |
|
B6ZS |
Bipolar 6 Zero Substitution |
|
B8ZS |
Binary Eight Zero Substitution |
|
B911 |
Basic 911 Emergency Service |
|
BA |
Behaviour Aggregate |
|
BABT |
British Approvals Board for Telecommunications |
|
BAC |
Bar Calls |
|
BACP |
Bandwidth Allocation Control Protocol |
|
BAF |
Bellcore AMA (Automatic Message Accounting) Format |
|
BAM |
Basic Access Module |
|
BAN |
Building Area Network |
|
BAN |
Billing Account Number |
|
BAN |
Base Area Network |
|
BANC |
Broadband Access Network Coordination |
|
BAOC |
Barring of All Outgoing Calls supplementary service |
|
BAP |
Bandwidth Allocation Protocol |
|
BASH |
Bandwidth Sharing |
|
BASH-R |
BAndwidth SHaring with Resource constraints |
|
BASIZE |
Buffer Allocation Size |
|
BATM |
Basic Telecommunication Access Method |
|
BB |
Blackberry |
|
BBCR |
BroadBand Communications Research |
|
BBM |
Blackberry Messenger |
|
BBS |
Bulletin Board Service |
|
BBS |
Bulletin Board System |
|
BBU |
Baseband Unit |
|
BC |
Committed Burst Size |
|
BC |
Burst copy |
|
BC |
Basic Call |
|
BCC |
Blind Carbon Copy |
|
BCD |
Binary-Coded Decimal |
|
BCDIC |
Binary Coded Decimal Interchange Code |
|
BCDMA |
Broadband CDMA |
|
BCH |
Binary Coded Hexadecimal |
|
BCH |
Bose-Chaudhuri-Hocquenghem Coding |
|
BCIX |
Berlin Commercial Internet Exchange |
|
BCM |
Bit Compression Multiplexer |
|
BCP |
Before Cell Phones |
|
BCS |
British Computer Society |
|
BCSM |
Basic Call State Model |
|
BCST |
Broadcast |
|
BDE |
Borland Database Engine |
|
BDFB |
Battery Distribution Feeder Bay |
|
BDS |
Bundled Digital Services |
|
BDSL |
Broadband Digital Subscriber Line |
|
BEAR |
Billed Entity Applicant Reimbursement |
|
BECN |
Backward Explicit Congestion Notification |
|
Bellcore |
Bell Communications Research, Inc. |
|
BEP |
Back-End Processor |
|
BER |
Bit-Error Rate |
|
BER |
Basic Encoding Rules (ASN.1) |
|
BERT |
Bit Error Rate Tester (telecommunication) |
|
BETAG |
Beginning-End Tag |
|
BETRS |
Basic Exchange Telecommunications Radio Service |
|
BFI |
Brute Force and Ignorance. An expression found in everyday language since the early 1900s, meaning a heavy handed unrefined solution to a problem (especially fixing something - like bashing an electrical appliance to get it working again). In more recent |
|
BFS |
Broadcast File System |
|
BFW |
Broadband Fixed Wireless |
|
BG |
Background |
|
BGP |
Border Gateway Protocol (routing protocol) |
|
BGP4 |
Border Gateway Protocol 4 |
|
BGSA |
Banded Geographical Service Area |
|
BHA |
Busy Hour Attempts |
|
BHCA |
Busy Hour Call Attempts |
|
BHCA |
Busy Hour Call Attempt |
|
BHCC |
Busy Hour Call Completions |
|
BHP |
Burst Header Packet |
|
BIC |
Bus Interface Controller |
|
BIND |
Berkeley Internet Name Domain |
|
BIOS |
Basic Input-Output System |
|
BIOS |
Basic Input Output System |
|
BIP |
Bit-Interleaved Parity |
|
BIP |
Band Interleaved by Pixel |
|
BIPT |
Belgian Institute for Post and Telecommunications |
|
BIS |
Brought Into Service |
|
BIS |
Bureau of Indian Standards |
|
BIS |
Business Information System |
|
BISDN |
Broadband Integrated Services Digital Network |
|
BIT |
Bureau of Information and Telecommunications |
|
BIU |
Bus Interface Unit |
|
BJT |
Bipolar Junction Transistor |
|
BLER |
Block Error Rate |
|
BLERT |
BLock Error Rate Tester |
|
BLERT |
Block Error Rate Test |
|
BLOS |
Beyond Line-Of-Sight |
|
BLP |
Burst Loss Probability |
|
blt |
Bottom Line Telecommunications |
|
BM |
Maximum Burst size |
|
BMAS |
Business Management System |
|
BMEWS |
Ballistic Missile Early Warning System (bee-mews) |
|
BMS |
Business Management System |
|
BNC |
Bayonet Neill-Concelman |
|
BNCC |
Base Network Control Center |
|
BNSC |
British National Space Centre |
|
BNT |
Broadband Networking Technology |
|
BOA |
Basic Object Adapter |
|
BOC |
Bell Operating Company |
|
BOD |
Bandwidth on Demand |
|
BOFH |
Bastard Operator From Hell |
|
BOM |
Bit-Oriented Message |
|
BONDING |
Bandwidth On Demand Interoperability Group |
|
BORSCHT |
Battery feed, Overvoltage protection, Ringing, Signaling, Coding, Hybrid, and Testing |
|
BOSS |
Binary Object Storage System |
|
BOT |
Baseline of Text |
|
BP |
Burst Period |
|
BP |
Block Parity |
|
BPDU |
Bridge Protocol Data Unit |
|
BPM |
Beats Per Minute |
|
BPoP |
Building Point of Presence |
|
BPP |
Billed Party Preference |
|
BPR |
Business Process Re-engineering |
|
BPRZ |
Bipolar Return-to-Zero |
|
bps |
bits per second |
|
BPS |
Baud per Second |
|
BPSK |
Binary Phase-shift Keying |
|
BR |
Branch |
|
BR |
Basic Rate |
|
BRA |
Basic Rate Access |
|
BRAN |
Broadband Radio Access Network |
|
BRB |
Be right back |
|
BRDF |
Bidirectional Reflectance Distribution Function |
|
BREW |
Binary Runtime Environment for Wireless |
|
BRI |
Basic Rate Interface |
|
BRITE |
Basic Rate Interface Transmission Extension |
|
BRQ |
Bandwidth Request |
|
BRTL |
Blu-Ray Triple Layer |
|
BS |
Busy Season |
|
BS |
Base Station |
|
BS |
Beam Splitter |
|
BS |
Burst Selector |
|
BS |
Basic Service |
|
BS |
Backing Store |
|
BS |
Broadcast Satellite |
|
BSA |
Basic Service Area |
|
BSA |
Business Software Alliance |
|
BSC |
Base Station Controller |
|
BSC |
Bi-Synchronous Communications |
|
BSD |
Berkeley Software Distribution |
|
BSI |
British Standards Institution |
|
BSID |
Base Station Identity |
|
BSM |
Broadband Satellite Multimedia |
|
BSOD |
Blue Screen Of Death |
|
BSRF |
Basic System Reference Frequency |
|
BSS |
Base Station Subsystem |
|
BSS |
Broadband Switching System |
|
BSS |
Base Station System |
|
BSS |
Basic Service Set |
|
BSSMAP |
Base Station System Management Application Part |
|
BST |
British Summer Time |
|
BSVCI |
Broadcast Signaling Virtual Channel Identifier |
|
bt |
Bluetooth Two |
|
bt |
Bluetooth Tablet |
|
BT |
Burst Tolerance |
|
BT |
British Telecommunications |
|
BT |
Back Trace |
|
BT |
Best Telecommunications |
|
BT |
British Telecom… |
|
BT |
Busy Tone |
|
BT |
BlueTooth |
|
BTAM |
Basic Telecommunications Access Method |
|
BTC |
Botswana Telecommunications Corporation |
|
BTE |
Broadband Terminal Equipment |
|
BTL |
Bell Telephone Laboratories, Inc. |
|
BTMS |
BITEK Telecommunications Management System |
|
BTN |
Billing Telephone Number |
|
BTO |
Betts Telecom Oklahoma |
|
BTP |
Business Telecom Products, Inc. |
|
BTS |
Base Transceiver Station (cellular) |
|
BTS |
Best Transmission Second |
|
BTS |
Business Telecommunications Services |
|
BTU |
Basic Transmission Unit |
|
BTU |
British Thermal Unit |
|
BTW |
By The Way |
|
BU |
Back Up |
|
BUC |
Block Up-Converter |
|
BUFR |
Binary Universal Form for the Representation (of data) |
|
BUR |
Bandwidth Usage Redundancy |
|
BUs |
Business Units |
|
BUS |
Broadcast and Unknown Server |
|
BUS |
Business |
|
BVR |
Beyond Visual Range |
|
bwd |
backward |
|
BWRC |
Berkeley Wireless Research Center |
|
BWX |
Broadband Wireless Exchange |
|
BY |
Busy |
|
BYOD |
Bring Your Own Device |
|
BYOP |
Bring Your Own Portal |
|
C |
Clock |
|
C |
Cost |
|
C |
Connection |
|
C |
Collector |
|
C |
Connectivity |
|
C-M |
Control-Monitor |
|
C-NBAP |
Common Node B Application Part |
|
C/R |
Control/Response indication bit |
|
C/T |
Carrier to Noise Temperature Ratio |
|
C3I |
Command, Control, Communications & Intelligence |
|
C4 |
Command, Control, Communications, and Computers |
|
C4I |
Command, Control, Communications, Computers, & Intelligence |
|
CA |
Certificate Authority |
|
CAA |
Civil Aviation Authority |
|
CaaS |
Communications-as-a-Service |
|
CAB |
Conformity Assessment Body |
|
CABS |
Carrier Access Billing System |
|
CAC |
Connection Admission Control (Asynchronous Transfer Mode) |
|
CAC |
Carrier Access Code |
|
CACH |
Call Appearance Call Handling |
|
CACM |
Communications of the ACM |
|
CAD |
Computer-Aided Design |
|
cad |
Computer Aided Designer |
|
CAE |
Computer-Aided Engineering |
|
CAE |
Common Application Environment |
|
CAIRO |
Communications Audio Interface for Remote Operations |
|
CAL |
Calorie |
|
CAL |
Connection Access License |
|
CAL |
Customer Access Line |
|
CALA |
Customer Address Location Area |
|
CALC |
Customer Access Line Charge |
|
CALEA |
Communications Assistance for Law Enforcement Act |
|
CALS |
Computer Aided Acquisition and Logistic Support |
|
CAM |
Computer-Aided Manufacturing |
|
CAM |
computer aided manufacturing |
|
CAM |
Common Access Method |
|
CAM |
Computer-Aided Mapping |
|
CAM |
Content Addressable Memory |
|
CAMA |
Centralized Automatic Message Accounting |
|
CAMEL |
Customized Applications for Mobile-network Enhanced Logic |
|
CAN |
Controller Area Network |
|
CAN |
Campus Area Network |
|
CANARIE |
Canadian Network for Advancement of Research, Industry, Education |
|
CAP |
Competitive Access Provider |
|
CAP |
Capability |
|
CAPS |
Call Attempts Per Second |
|
CAPS |
Common ISDN API Service |
|
CAPTAIN |
Character And Pattern Telephone Access Information Network |
|
CAR |
committed access rate |
|
CARS |
Community Antenna Relay Service |
|
CARS |
Cable Antenna Relay Services |
|
CAS |
Column Address Strobe |
|
CAS |
Carrier Activity Sensor |
|
CAS |
Combined Antennae Services |
|
CAS |
Customer Accounts Service |
|
CAS |
channel associated signaling |
|
CASE |
Computer-Assisted Software Engineering |
|
CASE |
Computer-Aided Software Engineering |
|
CASE |
Common Application Service Elements |
|
CASP |
Communications Application Service Provider |
|
CAT |
Charges, Access, and Terms |
|
CATI |
Computer-Assisted Telephone Interviewing |
|
CATV |
Cable Television |
|
CATV |
Community Antenna Television |
|
CAUCE |
Coalition Against Unsolicited Commercial Email |
|
CAV |
Constant Angular Velocity |
|
CAVE |
Cellular Authentication and Voice Encryption Algorithm |
|
CB |
Call Back |
|
CB |
Citizens' Band |
|
CB |
Common Battery |
|
CBC |
cipher block chaining |
|
CBCU |
Centralized Broadband Control Unit |
|
CBDS |
Connectionless Broadband Data Service |
|
CBEMA |
Computer & Business Equipment Manufacturers Association |
|
CBMS |
Computer-Based Message System |
|
CBO |
Call-Back Only |
|
CBP |
Coded Block Pattern |
|
CBQ |
Class-Based Queuing |
|
CBR |
Constant Bit Rate |
|
CBS |
Common Battery Signaling |
|
CBT |
Computer Based Training |
|
CBWFQ |
Class Based Weighted Fair Queueing |
|
CC |
Call Control |
|
CC |
Connection Confirm |
|
CC |
Carbon Copy |
|
CC |
Coordination Center |
|
CC |
Composite Clock (SONET) |
|
CC |
Country Code |
|
CCA |
Carrier-Controlled Approach |
|
CCB |
Change Control Board |
|
CCBS |
Completion of Call to Busy Subscriber |
|
CCC |
Clear Channel Capability |
|
CCC |
Credit Card Calling |
|
CCC |
CDMA Cluster Controller |
|
CCCH |
Common Control Channel |
|
CCCI |
Command, Control, Communications and Intelligence |
|
CCD |
Charge Coupled Device - a device for the movement of electrical charge. |
|
CCEA |
Cross Connect Equipment Assignment |
|
CCF |
Custom Calling Feature |
|
CCH |
Common Channel Handler |
|
CCIR |
International Radio Consultative Committee (French Acronym) |
|
CCIR |
Comittee Consultatif International Radiotelecommunique |
|
CCIS |
Common Channel Interoffice Signaling |
|
CCITT |
Comite Consultatif International Telegraphique et Telephonique (now ITU-T) |
|
CCITT |
Comit? Consultatif International T?l?graphique et T?l?phonique |
|
CCLC |
Carrier Common Line Charge |
|
CCM |
counter-countermeasure |
|
ccna |
Cisco Certified Network Associated |
|
CCNA |
Cisco Certified Network Administrator |
|
CCO |
Component Coordinator |
|
CCP |
Compression Control Protocol |
|
CCR |
Current Cell Rate (ATMF) |
|
CCR |
Customer Controlled Reconfiguration (Sprint) |
|
CCS |
Call Center Service |
|
CCS |
Common Command Set |
|
CCS |
Centa- (hundred) Call Seconds |
|
CCS |
Common Channel Signaling |
|
CCSA |
Common Control Switching Arrangement |
|
CCSD |
Cellular Circuit Switched Data |
|
CCSD |
command communications service designator; control communications service designator |
|
CCSDS |
Consultative/Consultative Committee for Space Data Systems |
|
CCSS6 |
Common Channel Signaling System # 6 |
|
CCTA |
Central Computer and Telecommunications Agency |
|
CCTA |
Cctacentral Computer And Telecommunications Agency |
|
CCTV |
Closed-circuit television |
|
CD |
Committee Draft |
|
CD |
Carrier Detect |
|
CD |
Critical Dimension |
|
CD |
Connect Direct |
|
CD |
Compact Disc |
|
CD |
Channel Delay |
|
cd rom |
Compact Disc Read-Only Memory |
|
CD-R |
Compact Disk-Recordable |
|
CD-ROM |
Compact Disk-Read-Only Memory |
|
CDA |
Command and Data Acquisition |
|
CDA |
Communications Decency Act of 1996 |
|
CDA |
Communications Decency Act's |
|
CDB |
Configuration Data Base |
|
CDC |
Connected Device Configuration |
|
CDDI |
Copper Distributed Data Interface |
|
CDE |
Common Desktop Environment |
|
CDF |
Communications Data Field |
|
CDM |
Configuration Data Manager |
|
CDM |
Conceptual Data Model |
|
CDM |
Code Division Multiplexing |
|
CDMA |
Code Division Multiple Access (voice/data transmission) |
|
CDO |
Community Dial Office |
|
CDPD |
Cellular Digital Packet Data |
|
CDR |
call detail recording |
|
CDR |
Call-Detail Record |
|
CDR |
Critical Design Review |
|
CDR |
Common Data Rate |
|
CDR |
Clock and Data Recovery |
|
CDRM |
Cross-Domain Resource Manager |
|
CDS |
Cell Directory Service |
|
CDSL |
Consumer Digital Subscriber Line |
|
CDT |
Central Daylight Time |
|
CDV |
Cell Delay Variation(ATM) |
|
CDV |
Compressed Digital Video |
|
CDVT |
Cell Delay Variation Tolerance |
|
CE |
Channel Element |
|
Cee |
Communaut? Economique Europ?enne |
|
CELL |
Caller Enabled Leased Line |
|
CELP |
Code Excited Linear Prediction |
|
Centrex |
Central Office Exchange |
|
CEO |
Chief Executive Officer |
|
CEP |
Communication End Point |
|
CEPT |
Committee of European Postal & Telephone (authorities) |
|
CEPT |
Conference of European Posts and Telecommunications |
|
CEPT |
Conférence Européenne des Administrations des Postes et des Télécommunications |
|
CER |
Cell Error Ratio |
|
CERN |
Conseil Europeen Pour La Recherche Nucleaire |
|
CERN |
Centre Europйen de Recherche Nuclйaire |
|
CERT |
Computer Emergency Response Team |
|
CES |
Circuit Emulation Service |
|
CES |
Consumer Electronics Show |
|
CEV |
Controlled Environment Vault |
|
CF |
Call Forward |
|
CF |
Compact Flash |
|
CF |
Coin First Payphone |
|
CF |
Carrier Furnished |
|
CF |
Coin First |
|
CFA |
Carrier Failure Alarm |
|
CFA |
Carrier Facility Assignment |
|
CFD |
computational fluid dynamics |
|
CFD |
Call For Discussion |
|
CFE |
Contractor-Furnished Equipment |
|
CFNA |
Call Forwarding No Answer |
|
CFNRy |
Call Forwarding on No Reply |
|
CFO |
Communication Filing Officer |
|
CFO |
Core Funded Organization |
|
CFOT |
Certified Fiber-Optic Technician |
|
CFR-47 |
Code of Federal Regulations Title 47 (FCC) |
|
cfs |
Customer Facing Services |
|
CFS |
Call for Service |
|
CFU |
Call Forward Unconditionally |
|
CFV |
Call For Vote(s) |
|
CG |
Center of Gravity (DXS) |
|
CG |
Coast Guard |
|
CGA |
Color Graphics Adapter |
|
CGA |
Carrier Group Alarm |
|
CGI |
Computer Graphics Interface |
|
CGI |
Computer-Generated Imagery |
|
CGI |
Common Gateway Interface |
|
CGI |
Cell Global Identity |
|
CGM |
Computer Graphics Metafile |
|
CGSA |
Cellular Geographic Service Area |
|
CGT |
Consultants Group for Telecommunications |
|
CHAP |
Challenge Handshake Authentication Protocol (ATM) |
|
CHE |
Central Head-End |
|
CHF |
Swiss Franc |
|
CHM |
Changeover and Changeback Messages |
|
CHT |
Active |
|
cHTML |
Compact Hypertext Markup Language |
|
CI |
Customer Installation |
|
CI |
CHARM Interface |
|
CI |
Common Interface |
|
CIA |
Central Intelligence Agency |
|
CIAC |
Computer Incident Advisory Capability |
|
CIC |
Circuit Identification Code |
|
CIC |
Carrier Identification Code |
|
CICS |
Customer Information Control System (IBM Mainframe Software; Kicks Or C-I-C-S) |
|
CICT |
Commission on Information and Communications Technology |
|
CID |
Call Instance Data |
|
CID |
Craft Interface Device |
|
CID |
Cell IDentification number |
|
CIFS |
Common Internet File System |
|
CIL |
Call Identification Line |
|
CIM |
Common Information Model |
|
CIM |
Corporate Information Management |
|
CIO |
Chief Information Officer |
|
CIP |
Channel Interface Processor |
|
cIP |
Continuous Improvement Program |
|
CIP |
Carrier Identification Parameter |
|
CIPoA |
Classical Internet Protocol over ATM (Asynchronous Transfer Mode) |
|
CIR |
Committed Information Rate (Frame Relay) |
|
CIRC |
Cross-Interleaved Reed-Solomon Code |
|
CIS |
Computer and Information Science |
|
CIS |
Commonwealth of Independent States |
|
CIS |
Communications and Information Systems |
|
CIS |
Center for Integrated Systems |
|
CIS |
CompuServe Information Service |
|
CITR |
Canadian Institute for Telecommunications Research |
|
CIU |
Communications Interface Unit |
|
Ck |
Check Bit |
|
CL |
cell loss |
|
CLASS |
Custom Local Area Signaling Services |
|
CLASS |
Cell Level ATM (Asynchronous Transfer Mode) Services Simulator |
|
CLCC |
Ceramic Leaded Chip Carrier |
|
CLD |
Cross-Layer Design |
|
CLDC |
Connected Limited Device Configuration |
|
CLEC |
Competitive Local Exchange Carrier |
|
CLECs |
Competitive Local Exchange Carriers |
|
CLETS |
California Law Enforcement Telecommunication System |
|
CLF |
Carrier Line Failure |
|
CLI |
Command line Interface (Cabletron) |
|
CLI |
Calling Line Identification |
|
CLID |
Calling Line IDentifier |
|
CLIP |
Caller Line Identification Presentation |
|
CLK |
Clock |
|
CLLM |
Consolidated Link Layer Management |
|
CLM |
Career Limiting Move. A reminder to think twice before embarking on any action that has an obvious whiff of disaster about it. (Ack R Gesling and S Phillips) |
|
CLNP |
ConnectionLess-mode Network Protocol |
|
CLOS |
Clear Line Of Sight |
|
CLP |
Cell Loss Priority (ATM) |
|
CLS |
Current Level of Service |
|
CM |
Configuration Management |
|
CM |
Connection Manager |
|
CM |
Common Mode |
|
CMA |
Communications Management Association |
|
CMAP |
Connection Management Access Protocol |
|
CMAS |
Cellular Management System |
|
CMC |
Career Management Center |
|
CMD |
Command |
|
CMI |
Computer Managed Instruction |
|
CMI |
Computer Managed Instituteuction |
|
CMIP |
Common Management Information Protocol (ATM) |
|
CMIS |
Common Management Information Service |
|
CMISE |
Common Management Information Service Element |
|
CMM |
Cable Management Module |
|
CMM |
Capability Maturity Model |
|
CMM |
Calls, Minimums, Maximums |
|
CMOS |
Complementary Metal Oxide Semiconductors |
|
CMOS |
Cellular Management Operation System |
|
CMP |
Connection Management Protocol |
|
CMP |
Communications Module Processor |
|
CMP |
Connection Management Procedures |
|
CMRS |
Commercial Mobile Radio Services |
|
CMRS |
Commercial Mobile Radio Service |
|
CMS |
Circuit Multiplication System |
|
CMS |
Content Management System |
|
CMS |
Conversational Monitor System |
|
CMT |
Cadmium Mercury Telluride |
|
CMT |
Commercial Metering Transponder |
|
CMTS |
Cellular Mobile Telephone System |
|
CN |
Calling Number |
|
CNA |
Cell Not Available |
|
CNA |
Certified Novell Administrator |
|
CNA |
Called Number Authority |
|
CNAD |
Calling Name Delivery |
|
CND |
Calling Number Display |
|
CNE |
Certified Novell Engineer |
|
cng |
Fax Calling Tone |
|
CNG |
comfort noise generation |
|
CNI |
Calling Number Identification |
|
CNID |
Calling Number Identification Display |
|
CNM |
Customer Network Management |
|
cnt |
Corporacion Nacional de Telecomunicaciones |
|
CO |
Central Office |
|
CO |
Central Operations |
|
CO |
Certificate of Origin |
|
COAM |
Customer Owned And Maintained |
|
COAX |
Coaxial |
|
COB |
Change Of Billing |
|
Cob |
close of business (End of duty day) |
|
COBE |
Corporate Owned Business Only |
|
CoC |
Carrier of Carriers |
|
COC |
Central Office Connection |
|
COCOT |
Customer Owned Coin Operated Telephone |
|
CODASYL |
COnference on DAta SYstems Languages |
|
Codec |
Coder/decoder |
|
CODEC |
Coder-Decoder (usually for audio/video data) |
|
COFA |
Change Of Frame Alignment |
|
COI |
Community of Interest |
|
COIC |
Central Office Interface Circuit |
|
COM |
Comedy Central |
|
COM |
Component Object Model |
|
Comb |
Combined |
|
COMDEX |
Computer Dealers Exposition |
|
COMINT |
Communications Intelligence |
|
COMJAM |
Communications Jamming |
|
COMPANDER |
COMpressor/exPANDER |
|
COMS |
Cambridge Open Mobile System |
|
con |
Concentrator |
|
cong |
Congestion message |
|
CONS |
Connection-oriented Network Services |
|
CONUS |
Contiguous United States |
|
COO |
Cell of Origin |
|
COO |
Chief Operation Officer |
|
COO |
Cost of Ownership |
|
COP |
Character Oriented Protocol |
|
COPS |
Common Open Policy Service |
|
COPS |
Caring Operators Personal Service |
|
COQ |
Cost Of Quality |
|
COR |
Carrier Operated Relay |
|
CORBA |
Common Object Request Broker Architecture |
|
COSMIC |
common systems main interconnecting |
|
COT |
Central Office Terminal |
|
CP |
Customer Premises |
|
CP |
Cell Phone |
|
CP |
Call Processing |
|
CP |
Charging Party |
|
CP |
Change Proposal |
|
CPAP |
Customer Premises Access Profile |
|
CPC |
Crosstalk Prevention Coding |
|
CPC |
Calling Party Control |
|
CPC |
Continous Packet Compression |
|
CPCI |
Compact Peripheral Component Interconnect |
|
CPE |
Customer Premises Equipment |
|
CPE |
Customer Premise Equipment |
|
CPEB |
Channel Partner Enablement Briefing |
|
CPG |
Converged Packet Gateway |
|
CPH |
Call Party Handling |
|
CPI |
Computer-PBX Interface |
|
CPIC |
Cost Per Inbound Call |
|
CPM |
Critical Path Method |
|
CPN |
calling party number |
|
CPN |
Cisco Powered Network |
|
CpN |
Customer Premise Network |
|
CPOP |
Circuit Precedence Over Packet data |
|
CPP |
Calling Party Pays |
|
CPP |
Calling Party Pay |
|
CPS |
Customer Premises System (Bellcore) |
|
CPS |
Cycles Per Second (now Hertz) |
|
CPS |
characters per second |
|
cps |
Carrier Pre-Selection Service |
|
CPT |
Cellular Paging Teleservice |
|
CPT |
Carriage Paid To |
|
CPU |
Central Processing Unit |
|
CQ |
Communications Quality |
|
CQA |
Certified Quality Auditor |
|
CR |
Call Reference |
|
CR |
Carriage Return |
|
CR |
Connection Request |
|
CRA |
Constant Rate Allocation |
|
CRACK |
Challenge Response for Authenticated Crypto Keys |
|
CRB |
Cramer-Rao Bound |
|
CRBT |
Color Ring Back Tone |
|
CRBT |
Caller Ring Back Tone |
|
CRC |
Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check) |
|
CRIS |
Carrier Route Information System |
|
CRL |
Certificate Revocation List |
|
CRL |
Computing Research Laboratory |
|
CRLF |
Carriage-Return Line-Feed |
|
crm |
Customer Relationship Management |
|
CRO |
Central Records Office |
|
CRS |
Cell Relay Service |
|
CRT |
Combined Rlogin and Telnet |
|
CRT |
Cathode Ray Tube (type of TV) |
|
CRTS |
Cellular Radio Telecommunications Service |
|
CRV |
Call Reference Value |
|
CS |
Computer Science |
|
CS |
Convergence Sublayer (ATM) |
|
CS |
Carrier Sense |
|
CS |
Clear to Send |
|
CS |
Communications Satellite |
|
CS |
Central Station |
|
CS |
Connection Segment |
|
CS |
Cable Select |
|
CS |
Customer Specification |
|
CS-PDU |
Convergence Sublayer - Protocol Data Unit |
|
CSA |
Canadian Space Agency |
|
CSA |
Central Service Area |
|
CSA |
Canadian Standards Association (like UL) |
|
CSA |
Carrier Servicing Area |
|
CSAA |
Central Service Area Authority |
|
CSAC |
Computer Science Accreditation Commission |
|
CSAP |
Core Service Access Point |
|
CSAR |
Combat Search and Rescue |
|
CSAT |
Customer Satisfaction |
|
CSC |
Common Signaling Channel |
|
CSCC |
coordinated state change control |
|
CSCW |
Computer-Supported Cooperative Work |
|
CSDU |
Core Service Data Unit |
|
CSF |
Common Service Framework |
|
CSI |
Clearing Subnetwork Identification |
|
CSIRO |
Commonwealth Scientific and Industrial Research Organization |
|
CSL |
Communication Services Limited |
|
CSL |
Create a Simple Life |
|
CSL |
component sublayer |
|
CSLIP |
Compressed SLIP |
|
CSM |
Communications Services Management |
|
CSMA |
Carrier Sense Multiple Access |
|
CSMA/CA |
Carrier Sense Multiple Access/Collision Avoidance |
|
CSMA/CD |
Carrier sense multiple access / collision detection |
|
CSMA/CD |
Carrier Sense Multiple Access with Collision Detection |
|
CSO |
Customer Service Operations |
|
CSP |
Callback Service Provider |
|
CSP |
Converged Service Platform |
|
CSP |
Continuous Speech Processing |
|
CSP |
Custom SIM Profile |
|
CSPDN |
Circuit Switched Public Data Network |
|
CSPRM |
Common Signaling Protocols Resource Module |
|
CSR |
Customer Service Report |
|
CSR |
Customer Service Representative |
|
CSR |
Customer Service Request |
|
CSS |
Customer Service System |
|
CST |
Central Standard Time (UTC-6 Hours) |
|
CSTA |
Computer Supported Telecommunications Applications |
|
CSU |
Channel Service Unit |
|
CSUR |
Conscript Unicode Registry |
|
CSV |
Circuit Switched Voice |
|
CT |
Channel Termination |
|
CT |
Computer Terminal |
|
CT |
Computed Tomography |
|
CT |
Cordless Telecommunications |
|
CT |
Computer Telephony |
|
CT |
Control terminal |
|
CTD |
Cumulative Trauma Disorder |
|
CTE |
Computer Telephony Engine |
|
CTE |
Computer Telephony Engineer |
|
CTI |
Computer Telephone Integration |
|
CTI |
Computer Telephony Integration |
|
CTIA |
Cellular Telecommunications Industry Association |
|
CTIE |
Centre for Telecommunications and Information Engineering (Monash University; Australia) |
|
CTIT |
College of Telecommunications and Information Technology |
|
CTM |
Cellular Textphone Modem |
|
CTN |
Community Telecommunications Network |
|
CTN |
Corporate Telecommunication Networks |
|
CTNS |
Certified Telecommunications Network Specialist |
|
CTO |
Commonwealth Telecommunications Organisation |
|
CTR |
Covert Telephone Recording |
|
CTR |
Carrier Telegraph Receiver |
|
CTS |
Call Tracking System |
|
CTS |
Cordless Telephone System |
|
CTS |
Clear To Send |
|
CTSO |
Cellular Telephone Service Order |
|
CTTC |
Centre Tecnològic de Telecomunicacions de Catalunya |
|
CTU |
Central Terminal Unit |
|
CTUF |
Cape Telecommunications Users Forum |
|
CTWU |
Chunghwa Telecom Workers' Union |
|
CU |
Channel Unit |
|
CU |
Control Unit |
|
Cu |
Copper Local Loop |
|
CU |
Cooling Unit |
|
CU |
See You |
|
CUA |
Call Unit Autodialer |
|
CUG |
Closed Users Group |
|
CUG |
Closed User Group |
|
CUL |
See You Later |
|
CUSA |
Central Urban Service Area |
|
CV |
Coding Violation |
|
CV |
Curriculum Vitae |
|
CVD |
Chemical Vapor Deposition |
|
CVR |
Crystal Video Receiver |
|
CVSD |
Continuously Variable Slope, Delta modulation |
|
CVSD |
Continuous Variable Slope Detection |
|
CVT |
Circuit Validation Test |
|
CW |
Continuous Wave |
|
CW |
Call Waiting Supplementary Service |
|
CWC |
Center Weight Control |
|
CWTS |
China Wireless Telecommunication Standard |
|
CY |
Calendar Year |
|
CYTA |
Cyprus Telecommunications Authority |
|
C² |
Command and Control |
|
C³ |
Command, Control and Communications |
|
C³CM |
Command, Control and Communications Countermeasures |
|
d |
Diagonal |
|
D-AMPS |
Digital Advanced Mobile Phone Service |
|
D-H |
Diffie-Hellman |
|
D-NBAP |
Dedicated Node B Application Part |
|
D-RAM |
Dynamic Random Access Memory |
|
D/A |
Digital-to-Analog converter |
|
D/I |
Drop and Insert |
|
D/U |
Delay Unit |
|
D3 |
Digital channel bank, Third generation |
|
D4 |
Digital channel bank, Fourth generation |
|
da |
deca |
|
DA |
Destination Address |
|
DA |
Dodecanedioic Acid |
|
DA |
decanoic acid |
|
DAC |
Discretionary Access Control |
|
DAC |
Digital-To-Analog Converter |
|
dac |
Digital to Analog Converter-Audio |
|
DACS |
Digital Access Carrier System |
|
DACS |
Digital Access Cross-connect System |
|
DACS |
Digital Access and Cross-Connect System |
|
dacs |
Digital Access Cross-Connect Switch |
|
DAF |
Directory Access Function |
|
DAHDI |
Digium/Asterisk Hardware Device Interface |
|
DAL |
Dedicated Access Line |
|
DAM |
Diagnostic Acceptability Measure |
|
DAMPS |
Digital Advanced Mobile Phone System |
|
DAP |
Directory Access Protocol |
|
DAP |
Distributed Array Processor |
|
DAP |
Demand Access Protocol |
|
DARPA |
Defense Advanced Research Projects Agency (US) |
|
DARTS |
Design Approach for Real-Time Systems |
|
DAS |
Data Acquisition System |
|
DAS |
Distributed Antenna System |
|
DASD |
Direct Access Storage Device |
|
DAT |
Digital Audio Tape |
|
DAVIC |
Digital Audio Video Council |
|
DB |
Dropped Burst |
|
dB |
Decibel |
|
Db |
Dial Back |
|
DBF |
Digital Beam-Forming |
|
DBMS |
Database Management System |
|
DBN |
Dial-Back Number |
|
DBoRs |
Data Base of Records |
|
dBRN |
deciBel Relative to Noise |
|
dBRNC |
deciBel Relative to Noise in a Circuit |
|
DBS |
Direct Broadcast Satellite |
|
DC |
Disconnected |
|
DC |
Display Controller |
|
DC |
Direct Current |
|
DC |
Dry Circuit |
|
DC |
Device Control |
|
DCA |
Distributed Communications Architecture |
|
DCA |
Dynamic Channel Assignment |
|
DCAS |
Downloadable Conditional Access System |
|
DCAT |
DSL (Digital Subscriber Line) Customer Advocacy Team |
|
DCB |
Digital Channel Bank (Sprint) |
|
DCC |
Data Communications Channel |
|
DCC |
Digital Control Channel |
|
DCCH |
Digital Control Channel |
|
DCCX |
Direct Circuit Control Exchange |
|
DCD |
Data Carrier Detect |
|
DCE |
Data Communication Equipment |
|
DCE |
Data Circuit-terminating Equipment |
|
DCE |
Distributed Computing Environment |
|
dCEF |
Distributed Cisco Express Forwarding |
|
DCF |
Distributed Coordination Function |
|
DCH |
Discrete CHannel |
|
DCID |
Downstream Channel ID |
|
DCMES |
Dublin Core Metadata Element Set |
|
DCMI |
Dublin Core Metadata Initiative (Online Computer Library Center) |
|
DCN |
Design Change Notification |
|
DCN |
Data Communications Network |
|
DCN |
Disconnected and Changed Numbers |
|
DCN |
Disconnect |
|
DCO |
Dial Central Office |
|
DCOM |
Distributed Component Object Model |
|
DCP |
Design Change Package |
|
DCP |
Distributed Collaborative Planning |
|
DCPNZ |
Daily transmission Charge for Peak Non-Zone network load |
|
DCPV |
Daily Customer Pool Volume |
|
DCPZ |
Daily withdrawal coincident with Customer Peak for a Zone |
|
DCR |
Dropped Call Rate |
|
dcs |
Digital Cross-connect Switch |
|
DCS |
Digital Cellular System |
|
DCS |
Digital Cross-connect System |
|
DCS |
Digital Cross-Connect |
|
DCS |
Defense Communications System |
|
DCS |
Data Collection System (NOAA Polar Orbiting Satellites) |
|
dcss |
Digital Cross-connect Systems |
|
DCT |
Digital Cordless Telecommunications |
|
DCU |
Drum Control Unit |
|
DCU |
Distribution and Control Unit |
|
DD |
Digit Directory |
|
DDCMP |
Digital Data Communications Message Protocol |
|
DDCNZ |
Daily Demand Charge for Non-Zone Network Load |
|
DDCZ |
Daily Demand Charge for a Zone |
|
DDD |
Direct Distance Dialing |
|
DDD |
Direct Distance Dial |
|
DDE |
Dynamic Data Exchange (in software parlance) |
|
DDI |
Direct Dialing Incoming |
|
DDL |
Data Definition Language |
|
DDL |
Digital Data Link |
|
DDLD |
Direct Dial Long Distance |
|
DDM |
Data Distribution Manager |
|
DDN |
U.S. Defense Data Network |
|
DDP |
Datagram Delivery Protocol |
|
DDRS |
Dynamic Data Rate Selection |
|
DDS |
Digital Data Service |
|
DDS |
Dataphone Digital Service (AT&T) |
|
DDSD |
Delay Dial Start Dial |
|
DDSN |
Digital Derived Services Network |
|
DDU |
Digital Data Unit |
|
DDU |
Disk Drive Unit |
|
DE |
Development Estimate |
|
DE |
Discard Eligible |
|
DE |
Discard Eligibility (ATM) |
|
DEC |
Decimal |
|
DECCO |
DISA Defense Commercial Communications Office |
|
DECT |
Digital Enhance Cordless Telecommunications |
|
DECT |
Digital Enhanced Cordless Telecommunication |
|
DEM |
Digital Elevation Model |
|
DEMUX |
Demultiplexer |
|
DEN |
Directory Enabled Networks |
|
DEO |
Digital End Office |
|
DER |
Distinguished Encoding Rules |
|
DES |
Data Encryption Standard |
|
DF |
Distributing Frame |
|
DF |
Data Frame |
|
DF |
Direction Finding or Finder |
|
DFA |
Distribution Feeder Antenna |
|
DFD |
Displaced Frame Difference |
|
DfE |
Design For Environment |
|
DFG |
difference-frequency generation |
|
DFRI |
Datacom Reference Frame Input |
|
DFS |
Distributed File System |
|
DFT |
Draft Tax Forms |
|
DFT |
Draft |
|
DGPT |
Directorate General of Posts and Telecommunications |
|
DH |
Delivery Head |
|
DHA |
Dialogue Handling |
|
DHCP |
Dynamic Host Configuration Protocol |
|
DHD |
Dial Home Device |
|
DI |
Document Index |
|
DIAG |
Diagnostics |
|
DIBL |
Drain-induced Barrier Lowering |
|
DICOM |
Digital Imaging and Communications in Medicine |
|
DID |
data item description |
|
DID |
direct inward dial |
|
DID |
Digital Information Display |
|
DII |
Defense Information Infrastructure |
|
DII |
Dynamic Invocation Interface |
|
DIL |
Direct Inward Line |
|
DIP |
Dialup Internet Protocol |
|
DIS |
Distributed Interactive Simulation |
|
DIS |
Draft International Standard |
|
DISA |
Direct Inward Switch Access |
|
DISA |
U.S. Defense Information Systems Agency |
|
DISN |
Defense Information Systems Network |
|
DIT |
Directory Information Tree |
|
Div |
Divisionsion |
|
DL |
Downlink Message |
|
DL |
Digital Library |
|
DL |
Definition List |
|
DL |
Data Link |
|
DLC |
Digital Line Controller |
|
DLC |
Digital Leased Circuit |
|
DLC |
Digital Loop Carrier |
|
DLCI |
data link connection identifier |
|
DLCS |
Digital Loop Carrier System |
|
DLE |
Digital Line Equipment |
|
DLE |
Digital Local Exchange |
|
DLI |
Dialed Line Identification |
|
DLIS |
Directory Listing Inquiry System |
|
DLL |
Digital Local Line |
|
DLL |
Dynamic Link Library (computer file) |
|
DLOL |
Digital Loss Of Link |
|
DLP |
Data Link Processor |
|
DLR |
Design Layout Record |
|
DLS |
Dual Line Signalling |
|
dLT |
Digital Line Termination |
|
DLT |
Delete |
|
DLT |
Double Leading Tone |
|
DLU |
Digital Line Unit |
|
DM |
Design Manager |
|
DM |
Distributed Management |
|
DM |
Differential Mode |
|
DM |
delta modulation |
|
DM |
Domain Model |
|
DMA |
direct memory access (computer term) |
|
DMARC |
Demarcation point |
|
DMB |
Disconnect and Make Busy |
|
DMB |
Digital Multimedia Broadcasting |
|
DME |
Distributed Management Environment (OSF) |
|
DME |
Distance Measuring Equipment |
|
DMF |
Distributed Messaging Fabric |
|
DMI |
Distributed Management Interface |
|
DMI |
Digital Multiplex Interface |
|
DMI |
Desktop Management Interface (computing) |
|
DMNG |
Digital Mobile News Gathering |
|
DMP |
Decode Media Protocol |
|
DMPB |
Digital Multi-Point Bridging |
|
DMS |
Distribution Management System |
|
DMS |
Digital Multiplex Switch |
|
DMS |
Defense Messaging System |
|
DMS |
Data Management System |
|
DMSP |
Defense Meteorological Satellite Program (U.S.) |
|
dmt |
Digital-Discrete Multi-Tone |
|
DMT |
Discrete Multi-Tone |
|
dmt |
Discrete Multi-Tone Technology |
|
dmt |
Discrete Multi-tone Transmission |
|
DMTF |
Desktop Management Task Force |
|
DMTS |
Distinguished Member Of Technical Staff |
|
DMX |
De-MultipleXer |
|
DN |
Distinguished Name |
|
dna |
Daytime Nighttime Anytime |
|
DNA |
Do Not Answer |
|
DNA |
Digital Network Architecture |
|
DNC |
Do Not Call |
|
DND |
Do Not Disturb |
|
DNI |
Data Network Interface |
|
DNI |
Did Not Include |
|
DNIC |
Data Network Identification Code |
|
DNIS |
Dialed Number Identification Service |
|
DNMS |
Dual Network Media Server |
|
DNR |
Dial Number Recorder |
|
DNS |
Domain Name System |
|
DNS |
Domain Name Service |
|
DNSIX |
Defense Network Security Information Exchange |
|
DNU |
Do Not Use |
|
DOA |
dead on arrival |
|
DOCSIS |
Data over Cable Service Interface Specification |
|
DOD |
United States Department of Defense |
|
DOD |
Dial on Demand |
|
DOD |
Direct Outward Dialing |
|
DODD |
Department Of Defense Directive |
|
DOE |
Distributed Object Environment |
|
DOITT |
Department of Information Technology and Telecommunications |
|
DOJ |
Department of Justice (US) |
|
DOM |
Document Object Model |
|
DOR |
Detailed Outage Report |
|
DOrA |
EV-DO (EVolution-Data Optimized) standard Revision A |
|
DORK |
Disciples Of The Righteous King |
|
DOS |
Disk Operating System |
|
dos |
data over signaling |
|
DOT |
Department of Telecommunications (India) |
|
DOV |
Data-Over-Voice |
|
DP |
Drop Point |
|
DP |
Dial Pulsing |
|
DPA |
Distributed-Power Architecture |
|
DPBX |
Digital Private Branch Exchange |
|
DPC |
Destination Point Code |
|
DPCM |
Differential Pulse Code Modulator |
|
DPCM |
differential pulse code modulation |
|
DPDCH |
Dedicated Physical Data Channel |
|
DPDT |
Double-Pole Double-Throw |
|
DPDU |
Data Protocol Data Unit |
|
DPE |
Dollar Phone Enterprise |
|
DPL |
Digital Private-Line |
|
DPL |
Digital Power Line |
|
DPNSS |
Digital Private Network Signaling System |
|
DPO |
Dial Pulse Originate |
|
DPSK |
Differential Phase Shift Keying |
|
DPST |
Double-Pole Single-Throw |
|
DPT |
Dynamic Packet Transport |
|
DPT |
Dial Pulse Terminate |
|
DQDB |
Distributed Queue Dual Bus |
|
DQDB |
Distributed Queue Double Bus |
|
DQE |
Detective Quantum Efficiency |
|
DQPSK |
Differential Quadrature Phase-Shift Keying |
|
DQR |
Directory enQuiry Restricted |
|
DR |
Design Review |
|
DRAM |
Dynamic Random Access Memory (dee-ram) (computing) |
|
DRFM |
Digital Radio-Frequency Memory |
|
DRM |
Digital Rights Management |
|
DRQ |
Disengage Request |
|
DRS |
Dial Return System |
|
DRTL |
Dial Repeating Tie Line |
|
DRTT |
Dial Repeating Tie Trunk |
|
DS |
Digital Signal |
|
DS |
Data Service |
|
ds |
Delivery System |
|
DS-0 |
Digital Signal, Level 0 |
|
DS-1 |
Digital Signal, Level 1 |
|
DS-1 |
Digital Stream 1 (1.544 mbps) |
|
DS-1C |
Digital Signal, Level 1C |
|
DS-1C |
Digital Stream 1C (3.152 mbps) |
|
DS-2 |
Digital Signal, Level 2 |
|
DS-2 |
Digital Stream 2 (6.312 mbps) |
|
DS-3 |
Digital Signal, Level 3 |
|
DS-4 |
Digital Signal Level 4 |
|
DS-4 |
Digital Stream 4 (274.016 mbps) |
|
DS0 |
Digital Signal Zero |
|
DSA |
Digital Signature Algorithm |
|
DSA |
Directory System Agent |
|
DSC |
Differential Scanning Calorimetry |
|
DSCP |
Differentiated Services Control Point |
|
DSCP |
Differentiated Services Code Point |
|
DSCS |
Defense Satellite Communication System |
|
DSI |
Digital Speech Interpolation |
|
DSL |
Digital Subscriber Line |
|
DSLAM |
Digital Subscriber Line Access Multiplexer (Module) |
|
DSN |
Deep Space Network - network of large antennas and communication facilities. |
|
DSN |
Defense Switched Network |
|
DSP |
Domain Specific Part |
|
DSP |
Data Service Provider |
|
DSP |
Digital Signal Processor |
|
DSRF |
Device Savings Recovery Fee |
|
DSS |
Digital Switching Subsystem |
|
DSS |
Digital Signature Standard |
|
DSS |
Decision Support System |
|
DSS |
Digital Subscriber Signalling |
|
DSSS |
Direct Sequence Spread Spectrum |
|
DSSSL |
Document Style Semantics and Specification Language |
|
DSTE |
Digital Subscriber Terminal Equipment |
|
DSU |
Digital Service Unit |
|
DSVD |
Digital Simultaneous Voice and Data |
|
DSVT |
Digital, Secure Voice Telephone |
|
DSX |
Digital Signal Cross-Connect |
|
DSX-2 |
Digital Stream Crossconnect 2 (6.312 Mbps) |
|
DSX-3 |
Digital Stream Crossconnect 3 (44.736 Mbps) |
|
DT |
Dial Tone |
|
DT |
DWDM (Dense Wavelength Division Multiplexing) Terminal |
|
DT |
Dialup Terminal |
|
DTAM |
Document Transfer and Manipulation |
|
DTAP |
Direct Transfer Application Process |
|
DTAU |
Digital Test Access Unit |
|
DTC |
Department of Telecommunications and Cable |
|
DTD |
Document Type Definition (XML) |
|
DTE |
Data Terminal Equipment |
|
DTE |
Digital Terminal Equipment |
|
DTF |
Dial Tone First |
|
DTF |
Digital Transmission Facility |
|
DTI |
Department of Trade and Industry (UK) |
|
DTI |
Digital Trunk Interface |
|
DTIS |
Department of Telecommunications and Information Services |
|
DTL |
Defense Telephone Link |
|
DTMF |
Dual-Tone MultiFrequency |
|
DTN |
Data Transfer Network |
|
DTR |
Down-Time Ratio |
|
DTR |
Data Terminal Ready |
|
DTS |
Data Telecom Support |
|
DTS |
Digital Terminal Systems |
|
DTU |
Date/Time Update |
|
DTU |
Data Transfer Unit |
|
DTU |
Data Terminal Unit |
|
DTV |
Digital Television |
|
DTW |
Dynamic Time Warping |
|
DTX |
Discontinuous Transmission |
|
DUA |
Directory User Agent |
|
DUC |
Digital Up-Converter |
|
DUC |
Designated Underlying Carrier |
|
DUITS |
Digital, Ubiquitous, Interoperable, Transparent and Secure |
|
DUL |
Dial-Up List |
|
DUN |
Dial-Up Networking |
|
DUNC |
Dial-Up Networking Connection |
|
DUNCE |
Dial-Up Networking Connection Enhancement |
|
DUP |
Duplicate |
|
DUV |
Data-Under-Voice |
|
DUV |
Deep Ultraviolet |
|
DV |
Data and Voice |
|
DVB |
Digital Video Broadcasting |
|
DVC |
Digital Video Compression |
|
DVCC |
Digital Verification Color Code |
|
DVI |
Digital Video Interleaved |
|
DVMRP |
Distance Vector Multicast Routing Protocol |
|
DVP |
Digital Voice Privacy |
|
DW |
Deep Water |
|
dwb |
Designer's Workbench |
|
DWDM |
Dense Wavelength-Division Multiplexing |
|
DWDM |
Dense Wavelength Division Multiplexing |
|
DX |
Duplex Signaling |
|
DX |
Duplex |
|
DXC |
Digital Cross Connect |
|
DXF |
Data Exchange Format |
|
DXI |
Data Exchange Interface |
|
E |
Echo |
|
E |
Electra |
|
E |
Echo Time Zone |
|
E |
Exchange |
|
E |
Energy |
|
E&M |
Earth and Magneto (signaling leads) |
|
E&M |
ear and mouth (special signaling leads) |
|
E-911 |
Enhanced emergency telephone number |
|
E-LEAD |
Ear Lead |
|
E-TDMA |
Expanded Time Division Multiple Access |
|
E2E |
End-to-End |
|
EA |
Extended Address Field Bit |
|
EA |
expedited acknowledgement |
|
EA |
Emergency Action (JOC) |
|
EA |
Emergency Action(s) |
|
EAC |
Engineering Accreditation Commission |
|
EADAS |
Engineering and Administrative Data Acquisition System |
|
EAI |
Enterprise Application Integration |
|
EAP |
Employee Assistance Program |
|
EAP |
Extensible Authentication Protocol |
|
EAS |
Extended Area Service |
|
EB |
Expanded Basic |
|
EBCDIC |
Extended Binary-Coded Decimal Interchange Code |
|
EBCDIC |
Extended Binary Coded Decimal Interchange Code (pronounced Eb-see-dik) (cf. BCD) |
|
EBIC |
Electron Beam Induced Current |
|
EBITDA |
Earnings before Interest, Taxes, Depreciation and Amortization |
|
EBS |
Electron Bombarded Silicon |
|
EC |
European Community |
|
EC |
Entropy Coding |
|
EC |
Echo Cancelling |
|
EC |
European Commission |
|
EC |
Equipment Controller |
|
EC |
Enhanced Cellular |
|
EC-n |
Electrical Carrier (n=a number, e.g., EC-4) |
|
ECA |
Extended Calling Area |
|
ECAC |
European Civil Aviation Conference |
|
ECAN |
Echo Cancellation |
|
ECC |
Emergency Communications Center |
|
ECC |
Extended Community Calling |
|
ECDIS |
Electronic Chart Display Information System |
|
ECE |
Economische Commissie voor Europa (United Nations) (Dutch: Economic Commission for Europe) |
|
ECG |
Electrocardiogram |
|
ECG |
English Cell Group |
|
ECHI |
External Call History Interface |
|
ECITTC |
European Committee for Information Technology Testing and Certification |
|
ECM |
Error Correction Model |
|
ECM |
Electronic Counter Measures |
|
ECMA |
European Computer Manufacturer's Association |
|
ECMA |
European Community Manufacturers Association |
|
ECN |
Explicit Congestion Notification |
|
ECO |
Engineering Change Order |
|
ECP |
Exchange Control Panel |
|
ECP |
Encryption Control Protocol |
|
ECP |
Engineering Change Proposals |
|
ECPA |
Electronic Communications Privacy Act 1986 |
|
ECR |
Electronic Cash Register |
|
ECR |
Enhanced Call Routing |
|
ECS |
Environmental Control System (Subsystem) |
|
ECS |
Emergency Communication System |
|
ECS |
Encryption Control Signal |
|
ECSA |
Exchange Carriers Standards Association |
|
ECSA |
Exchange Carrier Standards Association |
|
ECT |
Explicit Call Transfer |
|
ECTEL |
Eastern Caribbean TELecommunications Authority |
|
ECTF |
Enterprise Computer Telephony Forum |
|
ECU |
Electronic Control Unit |
|
EDC |
Electronic Dispersion Compensator |
|
EDD |
Envelope Delay Distortion |
|
EDD |
Earliest Due Date |
|
EDFA |
Erbium-Doped Fiber Amplifier |
|
EDGE |
Enhanced Data for GSM Evolution |
|
EDGE |
Enhanced Data for GSM (Global System for Mobile communication) Evolution |
|
edge |
Edhanced Data Rates for Global Evolution |
|
EDI |
Electronic Data Interchange |
|
EDP |
Electronic Data Processing Plc (London Stock Exchange [LSE]) |
|
EDS |
Electronic Data Systems Corporation |
|
EDSX |
Electronic Digital Signal Cross-Connect |
|
EDT |
European Deaf Telephone |
|
EDT |
Eastern Daylight Time |
|
EDVAC |
Electronic Discrete Variable Automatic Computer |
|
EEA |
European Economic Area |
|
EEC |
European Economic Community (predecessor of the European Union|EU) |
|
EECM |
End-to-End Call Manager |
|
EEG |
Electro-EncephaloGram |
|
EEHO |
Either End Hop Off |
|
EEPROM |
Electrically Erasable Programmable Read-Only Memory |
|
EEROM |
Electronically Erasable Read-Only Memory |
|
EF&I |
Engineering, Furnishing and Installation |
|
EFCI |
Explicit Forward Congestion Indication (ATM) |
|
EFD |
Event Forwarding Discriminator |
|
EFF |
Electronic Frontier Foundation |
|
EFIS |
Electronic Flight Information System |
|
EFRC |
Enhanced Full Rate Codec |
|
EFS |
Encrypting File System |
|
EFT |
Electronic Funds Transfer |
|
EGA |
Enhanced Graphics Adapter |
|
EGP |
Exterior Gateway Protocol |
|
EGPRS |
Enhanced General Packet Radio Service |
|
EGSM |
Extended Global System for Mobile Communications |
|
EHF |
Extremely High Frequency |
|
EIA |
Extended Interaction Amplifier |
|
EICS |
EURESCOM Information and Communications Services |
|
EIGRP |
Enhanced Interior Gateway Routing Protocol |
|
EIP |
Equipment installation procedure |
|
EIR |
Excess Information Rate |
|
EIR |
Equipment Identity Register |
|
EIS |
Executive Information System |
|
EISA |
Extended Industry Standard Architecture |
|
EKTS |
Electronic Key Telephone Set |
|
ELEC |
Enterprise Local Exchange Carrier |
|
ELF |
Extremely Low Frequency |
|
ELFEXT |
Equal-Level Far-End Cross-Talk |
|
ELINT |
Electronic Intelligence Satellite |
|
ELL |
Ethernet Leased Line |
|
ELSEC |
Electronic Security |
|
ELT |
Emergency Locator Transmitter |
|
EM |
Electromigration |
|
EM |
Element Manager |
|
EM |
Engineer(ing) Manual |
|
EMC |
Electromagnetic Compatibility |
|
EMCON |
Electromagnetic Emission Control |
|
EMEA |
Europe, Middle East and Africa |
|
EMF |
Event Management Framework |
|
EMG |
Electromyogram |
|
EMI |
Electro-Magnetic Interference |
|
EML |
Element Management Layer |
|
EMLPP |
Enhanced Multi-Level Precedence and Priority |
|
EMR |
Electromechanical Relay |
|
EMR |
Electromagnetic Radiation |
|
EMS |
Enhanced Messaging Service |
|
EMS |
Element Management Service |
|
EMS |
Express Mail Service |
|
EMS |
Element Management System (ATM) |
|
EMV |
EuroPay, MasterCard, Visa |
|
EMX |
Earth and Magneto Signaling |
|
ENFIA |
Exchange Network Facilities for Interstate Access |
|
ENIAC |
Electronic Numerical Integrator And Computer |
|
ENS |
Enhanced Network Services |
|
ENST |
Ecole Nationale Supérieure des Télécommunications |
|
ENUM |
tElephone NUmber Mapping |
|
ENV |
Environment |
|
EOB |
End Of Business |
|
EOC |
End Of Contents |
|
EOC |
Embedded Operations Channel |
|
EOI |
End of Image |
|
EOM |
End Of Message |
|
EOT |
Eastern Oregon Telecom |
|
EOT |
End Of Transmission |
|
EPA |
Environmental Protection Agency (US) |
|
EPABX |
Electronic Private Automatic Branch Exchange |
|
EPI |
External Provisioning Interface |
|
EPL |
Echo Path Loss |
|
EPP |
Enhanced Parallel Port (PC) |
|
EPPR |
Empty Packet Production Rate |
|
EPR |
Ethylene-Propylene Rubber |
|
EPR |
Electron Paramagnetic Resonance |
|
EPSCS |
Enhanced Private Switch Controlled System |
|
EQ |
Equal To |
|
ER |
Extended Range |
|
ER |
EntityRelationship |
|
ERA |
Enhanced Remote Access |
|
ERI |
Enhanced Roaming Indicator |
|
ERL |
Echo Return Loss |
|
ERM |
Explicit Rate Marketing |
|
ERMES |
European Radio Message System |
|
ERP |
Enterprise Resource Planning |
|
ERP |
Enterprise Resource Management |
|
ERT |
Emergency Response Team |
|
ES |
Emergency Service |
|
ES |
Errored Second |
|
ESA |
European Space Agency |
|
ESA |
Enhanced Subscriber Authentication |
|
ESCA |
photoelectron spectroscopy for chemical analysis |
|
ESCON |
Enterprise System Connection |
|
ESDS |
Electrostatic Discharge Sensitive |
|
ESF |
Edge Spread Function |
|
ESF |
Extended Super Frame (ATM) |
|
ESFDL |
Extended Super Frame Data-Link |
|
ESG |
Error Satellite Gauge |
|
ESG |
Enhanced Service Gateway |
|
ESL |
Educational Sales Ledger |
|
ESM |
electronic support measure |
|
ESMR |
Enhanced Specialized Mobile Radiotelephony |
|
ESMT |
Ecole Superieure Multinationale Des Telecommunications |
|
ESN |
Electronic Serial Number |
|
ESP |
Encapsulating Security Payload |
|
ESP |
Electro-Selective Pattern |
|
ESP |
Essential Service Protection |
|
ESPN |
Entertainment and Sports Programming Network |
|
ESS |
Electronic Switching System |
|
ESSE |
Embedded Systems Software Environment |
|
EST |
Establish |
|
EST |
Eastern Standard Time |
|
EST |
Electroshock Therapy |
|
ESTEC |
European Space Research and Technology Centre |
|
ESVN |
Executive Secure Voice Network |
|
ET |
Emerging Technologies |
|
ET |
Exchange Termination |
|
ET |
Electronic Transmission |
|
ET |
Exchange Terminal |
|
ETA |
Estimated Time of Arrival |
|
ETB |
Empresa de Telecomunicaciones de Bogotá |
|
ETC |
Enhanced Telecommunications Corporation |
|
ETC |
Eligible Telecommunications Carrier |
|
ETET |
Electrical and Telecommunications Engineering Technology |
|
ETF |
Early Termination Fee |
|
ETN |
Electronic Tandem Network |
|
ETOC |
Electronic Table of Contents |
|
eTOM |
Enhanced Telecom Operations Map |
|
ETS |
End of Transmission Signal |
|
ETS |
European Telecommunication Standard |
|
ETSI |
European Telecommunications Standard Institute |
|
ETSI |
European Telecommunications Standards Institute |
|
ETT |
Emerging Telecommunications Technologies |
|
ETT |
Emona Telecoms Trainer |
|
EU |
End User |
|
EU |
European Union (1994; formerly referred to as the EEC or EC) |
|
EUCL |
End User Common Line |
|
EULA |
End User License Agreement (usually in reference to software) |
|
EUMETSAT |
European Meteorological Satellite |
|
EUS |
End User Segment |
|
eV |
electronvolt |
|
EV-DV |
EVolution Data/Voice |
|
EVA |
Electronic Video Agent |
|
EVC |
Electronic Voucher Charging |
|
EVN |
Enterprise VoIP (Voice-over-IP) Network |
|
EVP |
Executive Vice President |
|
EVRC |
Enhanced Variable Rate CODEC (CODer-DECoder) |
|
EW |
Electronic Warfare |
|
EX |
Exercise |
|
excl |
Exclusive |
|
f |
Flowability |
|
f |
Flow |
|
F |
Fellow |
|
F |
Farenheit |
|
F |
Frequency |
|
F/W |
Firmware |
|
F2F |
Face To Face (also Meeting In Person) |
|
FA |
Functional Area |
|
FA |
Failed Answer |
|
FAA |
Federal Aviation Agency |
|
FAA |
Federal Aviation Administration |
|
FAC |
Forced Authorization Code |
|
FACS |
Facility Assignment and Control System |
|
FAQ |
Frequently Asked Questions (sometimes Pronounced Fak) |
|
FAR |
Federal Aviation Regulation |
|
FAS |
Fals ansewring supervision |
|
FAS |
Frame Alignment Signal |
|
FASB |
Financial Accounting Standards Board |
|
FAST |
Field Automated Subscriber Testing |
|
FAT |
File Allocation Table |
|
FAT |
Final Acceptance Testing |
|
FAW |
Frame Alignment Word |
|
FAX |
Facsimile |
|
FB |
Framing Bit |
|
FB |
Fine Business |
|
FC |
Fiber Channel |
|
FC |
Fibre Channel |
|
FC |
Frame Control |
|
FCA |
Fixed Channel Assignment |
|
FCA |
Free Carrier |
|
fca |
Free Carrier Alongside |
|
FCA |
Free Carrier Absorption |
|
FCA |
Fixed Channel Allocation |
|
FCAPS |
Fault, Configuration, Accounts, Performance, Security |
|
FCC |
Federal Communications Commission (US) |
|
FCCSET |
Federal Coordinating Committee for Science, Engineering and Technology |
|
FCFS |
First-Come, First-Served |
|
FCO |
Foreign Central Office |
|
FCOT |
Fiber Central Office Terminal |
|
FCP |
Fibre Channel Protocol |
|
FCS |
Frame check sequence (Ethernet) |
|
FCT |
Fixed Cellular Terminal |
|
FCW |
Federal Computer Week |
|
FD |
Full Duplex |
|
FDD |
Frequency Division Duplex |
|
FDDI |
Fiber Distributed Data Interface |
|
FDI |
Feeder Distribution Interface |
|
FDIC |
Federal Deposit Insurance Corporation |
|
FDL |
Facility Data Link |
|
FDMMA |
Frequency Division Multiplexing Multiple Access |
|
FDOA |
Frequency Difference Of Arrival |
|
FDS |
Filtering, Distributing, and Serving |
|
FDTD |
Finite Difference Time Domain |
|
FE |
Finite Element |
|
FE |
Far End |
|
FEA |
Finite Element Analysis |
|
FEAC |
Far End Alarm and Control |
|
FEAT |
Feature |
|
FEBE |
Far End Block Error (SONET) |
|
FEBE-F |
Far End Block Error count - Fast data |
|
FEBE-I |
Far End Block Error count - Interleaved data |
|
FEC |
Forward Error Correction |
|
FECC |
Federal Emergency Communications Coordinator |
|
FECC-F |
Forward Error Correction Count - Fast data |
|
FECC-I |
Forward Error Correction Count - Interleaved data |
|
FECN |
Forward Explicit Congestion Notification (ATM) |
|
FEFA |
Far End Failure |
|
FELB |
Far-End Loop Back |
|
FEM |
Finite Element Method |
|
FEMA |
Federal Emergency Management Agency |
|
FEP |
Front End Processor |
|
FEP |
Front-End Processor |
|
FERF |
Far-End Receive Failure |
|
FESS |
Flywheel Energy Storage System |
|
FET |
Field Effect Transistor |
|
FEXT |
Far-End Cross Talk |
|
FFC |
Front-Facing Camera |
|
FFH |
Fast Frequency Hopping |
|
FFM |
First Failure to Match |
|
FFT |
Fast Fourier Transform |
|
FGA |
Feature Group A |
|
FGD |
Feature Group D |
|
fgdc |
Federal Geographic Data Committee's |
|
FH |
Frequency Hopping |
|
FHMA |
Frequency Hopping Multiple Access |
|
FHSS |
Frequency Hopping Spread Spectrum |
|
FI |
Format Identifier |
|
FIC |
Flight Information Center |
|
FICORA |
Finnish Communications Regulatory Authority |
|
FIFO |
first-in, first-out |
|
FIFO |
First In, First Out |
|
FiOS |
Fiber Optic Services |
|
FIPS |
Federal Information Processing Standard |
|
FIRST |
Forum of Incident Response and Security Teams (CERT) |
|
FITL |
Fiber-In-The-Loop |
|
FITS |
Flexible Image Transport System |
|
FL |
Fiber Link |
|
FLC |
Forward Link Channel |
|
FLL |
Fixed-Loss Loop |
|
FLM |
First Line Maintenance |
|
FLN |
Fixed Line Network |
|
FM |
frequency modulation |
|
FMC |
Fixed Mobile Convergence "Mobile UC or Unified Communications over Wireless" |
|
FMR |
Follow Me Roaming |
|
FMS |
Fraud Management System |
|
FMS |
Fixed Mobile Substitution |
|
FNN |
Full National Number |
|
FO |
Fiber-Optic |
|
FOB |
Forward on Busy |
|
FOC |
Fiber-Optic Cable |
|
FOD |
Fax on Demand |
|
FOE |
Fiber Optic Equipment |
|
FOIP |
Fax Over Internet Protocol |
|
FOSE |
Federal Office Systems Exposition |
|
FOTP |
Fiber Optic Test Procedures |
|
FOTS |
Fiber Optical Transmission System |
|
FP |
Full Period of service |
|
FPLMTS |
Future Public Land Mobile Telecommunications System |
|
FPS |
Framing Pattern Sequence |
|
FPS |
Fast Packet Switching |
|
FR |
Frame Relay |
|
FR |
Functional Requirement |
|
FR PVC |
Frame Relay Permanent Virtual Connection |
|
FR-SSCS |
Frame Relay Service Specific Convergence Sub-Layer |
|
FRAD |
Frame Relay Assembler/Disassembler |
|
FRAD |
Frame Relay Access Device |
|
FRF-LMI |
Frame Relay Forum - Local Management Interface |
|
FRS |
Family Radio Service |
|
FRS |
Frame Relay Service |
|
FRSS |
Frame Relay Switching System |
|
FSAI |
Fiber Serving Area Interface |
|
FSK |
Frequency-Shift Keying |
|
FSK |
Frequency Shift Keying |
|
FSM |
Field Service Manager |
|
FSS |
Fixed Satellite Services |
|
fss |
Fixed Satellite System |
|
FT |
Field Testing |
|
FT1 |
Fractional T1 |
|
FTAM |
File Transfer Access and Manipulation |
|
FTAM |
File Transfer Access and Management |
|
FTFW |
FactoryTalk For Windows |
|
FTNS |
Fixed Telecommunications Network Services |
|
FTP |
File Transfer Protocol |
|
FTS |
Federal Telecommunications System |
|
FTTB |
Fiber To The Building |
|
FTTC |
Fiber To The Curb光纤到路边 |
|
FTTE |
Fiber to the telecom enclosure |
|
FTTH |
Fiber To The Home |
|
FTTK |
Fibre To The Kerb |
|
FTTP |
Fiber To The Premises |
|
FTW |
France Telecom Wireless |
|
FUD |
Fair Use Doctrine |
|
FUNI |
Frame (relay) User Network Interface |
|
FUP |
Fair Use Policy |
|
FWA |
Fixed Wireless Access |
|
FWS |
Fixed Wireless Services |
|
FWT |
Fixed Wireless Terminal |
|
FX |
Foreign Exchange |
|
FXO |
Foreign Exchange Office |
|
FXS |
Foreign Exchange Subscriber |
|
GAN |
Global Area Network |
|
GAT |
GSM, AMPS, and TDMA |
|
GATE |
GPRS (General Packet Radio Service) Application Test Environment |
|
GATT |
General Agreement on Tariffs and Trade (government) |
|
GB |
Gigabyte |
|
GBps |
Gigabits per second |
|
GBT |
Ground Based Tower |
|
GC |
Global Communications |
|
gcs |
Global Communication System |
|
GDK |
GIMP (GNU Image Manipulation Program) Drawing Kit |
|
GDM |
GSM (Global System for Mobile communications) Data Module |
|
GDS |
Global Distribution System |
|
GDS |
Generic Digital Services |
|
GEO |
Geostationary Earth Orbit |
|
GEO |
Geostationary-Earth-Orbit |
|
GERAN |
GSM (Global System for Mobile communications) Edge Radio Access Network |
|
GETS |
The Government Emergency Telecommunications Service |
|
GFC |
Generic Flow Control (ATM) |
|
GFI |
General Format Identifier |
|
GFSK |
Gaussian Frequency Shift Keying |
|
GHz |
Gigahertz |
|
GI |
Graded-Index |
|
GIS |
Geographic Information System |
|
GLD |
German Long Distance |
|
glt |
Great Lakes Telecom |
|
GMRS |
General Mobile Radio Service |
|
GMSS |
Global Mobile Satellite System |
|
GOMP |
Get Off My Phone |
|
GOS |
Gerry Otis Simpson |
|
GOS |
Grade Of Service |
|
GOSIP |
Government Open Systems Interconnection Profile |
|
GOSIP |
Government Open System Interconnection Profile |
|
GPBX |
Global Private Branch eXchange |
|
GPRS |
General Packet Radio Service |
|
GPS |
Global Positioning System (ex-NAVSTAR) |
|
GRE |
Generic Routing Encapsulation |
|
grt |
Georgian Railway Telecom |
|
GRUB |
Greedy Reclamation of Unused Bandwidth |
|
GRX |
GPRS Roaming Exchange |
|
GS |
Ground Start |
|
GSA |
Guarded Single Assignment |
|
GSA |
U.S. General Services Administration |
|
GSM |
Groupe Speciale Mobile |
|
GSM |
Global System for Mobile Communications |
|
GSM |
Global System for Mobile telecommunications |
|
GSM-R |
Global System for Mobile (communications) – Rail |
|
GSMA |
Global System Mobile Association |
|
GSN |
GPRS (General Packet Radio Service) Support Node |
|
GSTN |
General Switched Telephone Network |
|
GT&T |
Guyana Telephone and Telegraph Company |
|
GTA |
GEORGIA TELECOMMUNICATIONS ASSOCIATION |
|
gtb |
Global Telecoms Business |
|
GTB |
Global Telecom Brokers |
|
GTI |
Graphics, Text, and Images |
|
GTM |
Go to Meeting |
|
GTP |
GPRS (General Packet Radio Service) Tunneling Protocol |
|
GTSS |
Global Telecom Solutions Sector |
|
GTTI |
Global Telecommunication Training Institute |
|
GTXC |
Global Telephone Exchange Carrier |
|
GUI |
Graphical User Interface (goo-ey) |
|
GVPN |
Global Virtual Private Network |
|
GWCS |
General Wireless Communications Service (46560 - 4685 MHz) |
|
H0 |
High-capacity ISDN channel operating at 384 kbps |
|
H11 |
High-capacity ISDN channel operating at 1.536 Mbps |
|
H323 |
ANSI standard for format over IP |
|
HBH |
Hop-By-Hop |
|
HBOS |
High-Bandwidth Optical Services |
|
HCDS |
High Capacity Digital Services |
|
HCF |
High Connection Failure |
|
HCT |
Hierarchical Cellular Tree |
|
HCV |
High Capacity Voice |
|
HDB3 |
High-Density Bipolar Three-bit substitution |
|
HDLC |
High-Level Data Link Control |
|
HDML |
Handheld Device Markup Language |
|
HDSL |
High-bit-rate Digital Subscriber Line |
|
HDSL2 |
High-bit-rate Digital Subscriber Line, Second Generation |
|
HDT |
Host Digital Terminal |
|
HDTV |
High-Definition Television |
|
HEC |
Header Error Control |
|
HEHO |
Head End Hop Off |
|
HEX |
Hexadecimal (base 16) |
|
HF |
High Frequency |
|
HFC |
Hybrid Fiber Coaxial |
|
HFC |
Hybrid Fiber/Coaxial network |
|
HFK |
Hands Free Kit |
|
HFT |
Human Factors in Telecommunications |
|
HIC |
Head-End Interface Converter |
|
HIDF |
Horizontal Intermediate Distributing Frame |
|
HIP |
Holes In Phonebooks |
|
HKT |
Hong Kong Telecommunications Ltd. |
|
HLB |
Hierarchical Line Balancing |
|
HLR |
Home Location Register |
|
HN |
Home Number |
|
HomePNA |
Home Phoneline Networking Alliance [also HomePNA2] |
|
HOPA |
Higher-Order Path Adaptation |
|
HPN |
Home Phone Network |
|
HPNA |
Home Phoneline Network Adapter |
|
HPPI |
High-Performance Parallel Interface |
|
HQGSM |
High-Quality Global System for Mobile communications |
|
Hs |
Heterogeneous Services |
|
HSC |
High Speed Connect |
|
HSCSD |
High-Speed Circuit-Switched Data |
|
HSCSWD |
High-Speed Circuit-SWitched Data |
|
HSD |
High Speed Data |
|
HSDPA |
High-Speed Downlink Packet Access |
|
HSOPA |
High-Speed OFDM (Orthogonal Frequency Division Multiplexing) Packet Access |
|
HSPA |
High Speed Packet Access |
|
HSS |
Home Subscriber Server |
|
HSUPA |
High-Speed Uplink Packet Access |
|
HTI |
Handoff Transfer Initiate |
|
HTML |
Hyper-Text Markup Language |
|
HTML |
Hyper Text Markup Language |
|
hto |
Hellenic Telecommunications Organisation |
|
HTTP |
Hypertext Transfer Protocol |
|
https |
HyperText Transfer Protocol Secure |
|
HTU |
HDSL (High-bit-rate Digital Subscriber Line) Transmission Unit |
|
HTU-C |
HDSL (High-bit-rate Digital Subscriber Line) Transmission Unit - Central office |
|
HTU-R |
HDSL (High-bit-rate Digital Subscriber Line) Transmission Unit - Remote |
|
HU |
Hook Up |
|
HUACA |
Hang Up And Call Again |
|
HUMAN |
High-speed Unlicensed Metropolitan Area Network |
|
HUP |
Hook-UP |
|
HVAC |
Heating, Ventilation, and Air Conditioning |
|
hw |
Hardware Wars |
|
HW |
Hardware |
|
Hz |
cycles per second (hertz) |
|
i.LINK |
IEEE 1394, High Performance Serial Bus, implementation |
|
I/O |
Input/Output |
|
IA5 |
International Alpha Set No. 5 |
|
IAB |
Internet Architecture Board |
|
IAC |
Install And Commission |
|
IAD |
Integrated Access Device |
|
IAMAI |
Internet and Mobile Association of India |
|
IANA |
Internet Assigned Numbers Authority |
|
IAST |
Industry Access Service Tariff |
|
IAT |
Integrated Access Terminal |
|
IATA |
Intelligent Agents for Telecommunication Applications |
|
IAV |
Images, Audio, Video |
|
IBS |
In-Building Solutions |
|
IBSS |
Independent Basic Service Set |
|
IC-POT |
Interexchange Carrier-Point of Termination |
|
ICAL |
Interexchange Carrier Access Line |
|
ICANN |
Internet Corporation for Assigned Names and Numbers |
|
ICC |
Interexchange Carrier Charge |
|
ICCF |
Interexchange Carrier Compatibility Forum |
|
ICE |
Integrated Communications Environment |
|
ICE |
Information Content Exchange |
|
ICI |
Interexchange Carrier Interface |
|
ICL |
Inserted Connection Loss |
|
ICLD |
Inter-Channel Level Difference |
|
ICMP |
Internet Control Message Protocol |
|
ICR |
Intelligent Call Routing |
|
ICS |
Intelligent Calling System ID Identification |
|
ICSF |
Internet Connection Sharing and Firewall |
|
ICT |
Information and Communication Technology |
|
ICTA |
Idaho Cable Telecommunications Association |
|
IDC |
Information Distribution Company |
|
IDCP |
Internet Device Control Protocol |
|
IDCU |
Integrated Digital Carrier Unit |
|
IDD |
International Direct Dialing |
|
IDDD |
International Direct Distance Dialing |
|
IDDD |
International Direct Dialing Designator |
|
iDEN |
Integrated Dispatch Enhanced Network |
|
IDF |
Independent Distribution Frame |
|
IDLC |
Integrated Digital Loop Carrier |
|
IDM |
Interim Data Modem |
|
IDPR |
Interdomain Policy Routing |
|
IDR |
Installer Design Required |
|
IDS |
Information Directory Service |
|
IDSL |
ISDN (Integrated Services Digital Network) Digital Subscriber Line |
|
IDT |
Integrated Digital Terminal |
|
IEC |
International Electrotechnical Commission |
|
IEC |
Interexchange Carrier |
|
IEEE |
Institute of Electrical and Electronics Engineers |
|
IEEE-CS |
Institute of Electrical and Electronics Engineers Computer Society |
|
IEEE-SA |
Institute of Electrical and Electronics Engineers - Standards Association |
|
IESG |
Internet Engineering Steering Group |
|
IESS |
INTELSAT Earth Station Standard |
|
IETF |
Internet Engineering Task Force |
|
IFLS |
Inter-Frequency Load Sharing |
|
IG |
Interface Group |
|
IIS |
Internet Information Services |
|
IKI |
Institut Kosmitcheskikh Issledovanii |
|
ILD |
International Long Distance |
|
ILEC |
Incumbent Local Exchange Carrier |
|
ILETS |
Idaho Law Enforcement Telecommunication System |
|
ILETS |
International Law Enforcement Telecommunications Seminar |
|
ILF |
Initial License Fee |
|
ILQ |
Inbound Link Quality |
|
ILRM |
Interim Local Management Interface |
|
IM |
Instant Message |
|
IMAP |
Internet Mail Access Protocol |
|
IMC |
Intermediate Metal Conduit |
|
IMEI |
International Mobile Equipment Identity |
|
IMM |
Interactive Mobile Media |
|
IMMAT |
Instituto Municipal Malvinas Argentinas Telecomunicaciones |
|
IMN |
Intelligent Mobile Network |
|
IMP |
Interface Message Processor |
|
IMPACT |
Integrated Manufacturing Precision Assembly Cellular Technology |
|
IMPCS |
Indian Mobile Personal Communication System |
|
IMPI |
IP (Internet Protocol) Multimedia Private Identity |
|
IMR |
International Mobile Roaming |
|
IMS |
IP (Internet Protocol) Multimedia Subsystem |
|
IMS |
Internal Messaging System |
|
IMSI |
International Mobile Subscriber Identity |
|
IMT |
International Mobile Telecommunications |
|
IMT-2000 |
International Mobile Telecommunications 2000 |
|
IMT-A |
International Mobile Telecommunications - Advanced |
|
IMT-FT |
International Mobile Telecommunications - Frequency Time |
|
IMTC |
International Multimedia Telecommunication Consortium |
|
IMTS |
Improved Mobile Telephone Service |
|
IN |
Intelligent Network |
|
IN7 |
Compaq SS7 stack |
|
INA |
Information Network Architecture |
|
INAP |
Intelligent Network Application Part |
|
INE |
Intelligent Network Element |
|
INMS |
Integrated Network Management System |
|
INPT |
Institut National des Postes et Télécommunications |
|
INSAT |
Indian National Satellite |
|
INSAT |
India's Indian National Satellite |
|
INTELSAT |
International Telecommunications Satellite |
|
INWATS |
INward Wide Area Telecommunications Service |
|
IO |
Inter-Office |
|
IOC |
Inter-Office Channel |
|
IOC |
Interoffice Channel |
|
IOCA |
Interception of Communications Act |
|
IOCDS |
Input/Output Configuration Data Set |
|
IOPS |
Internet Operators Providers Services |
|
IOS |
Internet Over Satellite |
|
IOT |
Interoffice Trunk |
|
IP |
Intellectual Property |
|
IP |
Intelligent Peripheral |
|
IP |
Internet Protocol |
|
IPB |
Invision Power Board |
|
IPC |
Initial Paging Channel |
|
IPCDN |
IP over Cable Data Networks |
|
IPCP |
Internet Protocol Control Protocol |
|
IPCU |
iPhone Configuration Utility |
|
IPD |
Intelligent Pulse Decoding |
|
IPLC |
International Private Leased Circuit |
|
IPM |
Inches Per Minute |
|
IPM |
Interpersonal Messaging System |
|
IPN |
Intelligent Peripheral Node |
|
IPNG |
Internet Protocol, Next Generation (now called IPv6) |
|
IPO |
Initial Public Offering |
|
IPoATM |
Internet Protocol over ATM |
|
IPOD |
Internet Phone Over Data |
|
Ipr |
Intellectual Property Right |
|
IPRC |
Intellectual Property Rights Committee |
|
IPS |
Instituteuctions Per Second |
|
IPS |
Instructions Per Second |
|
IPS |
InPlane Switching |
|
IPT |
Internet Protocol Telephony |
|
IPTD |
Internet Protocol Telephony Design |
|
IPvX |
Internet Protocol version X |
|
IPX |
Internetwork Packet Exchange |
|
IPXCP |
Internetwork Packet Exchange Control Protocol |
|
IQ |
Intelligence Quotient |
|
IQ |
In-phase and Quadrature |
|
IR |
International Roaming |
|
IR |
Information Request |
|
IR |
Information Rate |
|
IRAC |
Internal Review and Audit Compliance |
|
IRAC |
Interdepartment Radio Advisory Committee |
|
IRB |
Instituteuction Reorder Buffer |
|
IRB |
Instruction Reorder Buffer |
|
IRC |
International Record Carrier |
|
IRC |
Internet Relay Chat |
|
IrDA |
Infrared Data Association |
|
IRF |
Impulse Response Function |
|
IRL |
In Real Life |
|
IrLAN |
Infrared LAN |
|
IRLAP |
InfraRed Link Access Protocol |
|
IRMA |
Interactive Remote Messaging Application |
|
IRQ |
Interrupt Request |
|
IRR |
Internal Rate of Return |
|
IRS |
U.S. Internal Revenue Service |
|
IRS |
Inertial Reference System |
|
IRS |
Interface Requirements Specification |
|
IRTC |
Illinois Rural TeleCommunication |
|
IRTF |
Internet Research Task Force |
|
IS |
Intermediate System |
|
IS |
Information System |
|
IS |
International Standard |
|
IS |
Integrated Services |
|
IS 41 |
Interim Standard 41 (Inter-Cellular Network Communication Protocol) |
|
IS-41 |
TIA/EIA Interim Standard for mobile management |
|
ISA |
Industry Standard Architecture |
|
ISA |
Innovative Slot Allocation |
|
ISAKMP |
Internet Security Association and Key Management Protocol |
|
ISAR |
Inverse Synthetic-Aperture Radar |
|
ISAS |
Institute of Space and Astronautical Sciences (Japan) |
|
ISBN |
International Standard Book Number (ISO 2108) |
|
ISBX |
Internet Satellite Broadcast Exchange |
|
ISC |
Infrastructure Service Charge |
|
ISC |
International Switching Center |
|
ISC |
Information Systems Council |
|
ISD |
Independent Segment Decoding |
|
ISD |
Instituteuctional Systems Design |
|
ISD |
Instructional Systems Designers |
|
ISD |
International Subscriber Dialling |
|
ISDN |
Integrated Services Digital Network |
|
ISDNUP |
Integrated Services Digital Network User Part |
|
ISDP |
Intelligent Shared Dual Path |
|
ISDT |
Integrated Services Digital Terminal |
|
ISG |
Information Systems Group |
|
ISI |
Intersymbol Interference |
|
ISI |
Inter-Symbol Interference |
|
ISI |
Institute of Scientific Information |
|
ISM |
Instrumentation Scientific and Medical |
|
ISM |
Interstellar Medium |
|
ISM |
Invocation State Machine |
|
ISM |
Industrial, Scientific and Medical |
|
ISMI |
International mobile subscriber identity |
|
ISO |
In Search Of |
|
ISO |
Independent System Operator (US) (see also TSO) Responsible for grid management, but does not own assets. (electricity) |
|
ISO |
Infrared Space Observatory |
|
ISO |
International Organization for Standardization |
|
ISOC |
Internet Society |
|
ISP |
Internet Service Provider |
|
ISP |
International Signaling Point |
|
ISRO |
Indian Space Research Organisation |
|
ISS |
International Space Station |
|
ISSI |
Inter-Switching System Interface |
|
ISSIP |
Inter-Switching System Interface Protocol |
|
ISSN |
International Standard Serial Number (ISO 3297) |
|
ISSP |
Interim Interswitch Signaling Protocol |
|
ISTD |
International Subscriber Trunk Dialing |
|
ISUP |
ISDN Service User Part |
|
ISUP |
International Standards Telecommunications Union |
|
IT |
Information Technology |
|
IT |
Integration Test |
|
ITA |
Inferior Telecommunications Apparatus |
|
ITA |
Illinois Telecommunications Association |
|
ITAD |
Integrated Telephone Answering Device |
|
ITC |
Interstate Telecommunications Cooperative |
|
ITCC |
Information Technology and Communications Complex |
|
ITEC |
Internet Telecom and Electronic Commerce |
|
ITF |
Information Transport Function |
|
ITFS |
International Toll Free Services |
|
ITNL |
Indusind Telecom Network Ltd |
|
ITOC |
Independent Telephone Operating Company |
|
ITP |
Interdisciplinary Telecom Program |
|
ITP |
Interactive Telecommunications Program |
|
ITR |
Intelligent Text Retrieval |
|
ITR |
International Telecommunication Regulations |
|
ITS |
Institute for Telecommunication Sciences |
|
ITSEC |
Information Technology Security Evaluation Criteria |
|
ITSO |
International Telecommunications Satellite Organization |
|
ITSP |
Internet Telephone Service Provider |
|
ITT |
Invitation To Tender |
|
ITTC |
Information and Telecommunication Technology Center |
|
ITTP |
Information Technology And Telecommunications Policy |
|
ITU |
International Telecommunication Union |
|
ITU-R |
International Telecommunication Union-Radiocommunications |
|
ITU-T |
International Telecommunication Union - Telecommunications section |
|
ITU-T |
International Telecommunication Union-Telecommunications |
|
ITU-TSS |
International Telecommunications Union - Telecommunications Standardization Sector |
|
ITV |
Instructional Telecommunications And Video |
|
ITW |
International Telecoms Week |
|
IU |
Internal Use |
|
IUC |
Interconnect Usage Charge |
|
IV |
Initialization Vector |
|
IV&V |
independent verification and validation |
|
IVAD |
Integrated Voice and Data |
|
IVD |
Integrated Voice and Data |
|
IVDT |
Integrated Voice/Data Terminal |
|
IVI |
Intel Video Interactive |
|
IVN |
Interactive Video Network |
|
IVP |
Integrated Voice Protocol |
|
IVR |
Interactive Voice Response (telephone technology) |
|
IVS |
Interactive Video Services |
|
IVW |
InfoView Wireless |
|
IW |
Information Warfare |
|
IWCS |
Integrated Wideband Communications System |
|
IWE |
Institute for Wireless Education |
|
IWF |
Interworking Function |
|
IWU |
Interworking Unit |
|
IWW |
Internet World Wireless conference |
|
IXC |
interexchange carrier |
|
JAN |
Joint Army-Navy |
|
JAXA |
Japan Aerospace Exploration Agency |
|
JCL |
Job Control Language |
|
JDC |
Japan Digital Cellular |
|
JDK |
Java Development Kit |
|
JEDEC |
Joint Electronic Devices Engineering Council |
|
JICC |
Justice International Calling Card |
|
JIS |
Japanese Industrial Standard |
|
JIS |
Jurisdictional Interstate Service |
|
JISC |
Japanese Industrial Standards Committee |
|
JIT |
Just in time |
|
JLS |
Just Lousy Service |
|
JMA |
Japanese Meteorological Agency |
|
JPEG |
Joint Photographic Experts Group (24-bit image storage format) |
|
JPL |
Jet Propulsion Laboratory (California Institute of Technology) (NASA) |
|
JRE |
Java Runtime Environment |
|
JSC |
Johnson Space Center (Houston, TX) |
|
JSC |
Joint Scientific Committee (ICSU, WCRP, and WMO) |
|
JSR |
Jump to Subroutine |
|
JST |
Japan Standard Time |
|
JTF |
Joint Task Force |
|
JTRS |
Joint Tactical Radio Systems |
|
JTU |
Japan Telephone Upgrade |
|
JV |
Joint Venture |
|
JVM |
Java Virtual Machine |
|
JWG |
Joint Working Groupof |
|
JWP |
Joint Working Party |
|
JYP |
Jamaican Yellow Pages |
|
KAK |
Key-Auto-Key |
|
KB |
Knowledge-Based |
|
KB |
Kilobyte: One thousand and twenty-four bytes kbps kilo bit per second |
|
KBS |
Kilobits per Second |
|
KBYTE |
Kilobyte (103) |
|
KDC |
Kerberos Key Distribution Center |
|
KEK |
Key Encrypting Key |
|
KEY |
Keyset (multiline phone) |
|
KHz |
kilohertz (1000 cycles per second) |
|
KISS |
Keep It Simple Stupid |
|
KLM |
Keyboard Layout Management |
|
KM |
Knowledge Management |
|
ksps |
KiloSymbols Per Second |
|
KSR |
Key Send Receive |
|
KSU |
Key Service Unit |
|
KTA |
Kentucky Telecom Association |
|
KTF |
Korea Telecom Freetel |
|
KTL |
Killarney Telecommunications Ltd |
|
KTS |
Key Telephone System |
|
L |
Lambert |
|
L2F |
Layer 2 Forwarding protocol |
|
L2TP |
Layer 2 Tunneling Protocol |
|
L2TPv3 |
Layer 2 Tunneling Protocol Version 3 |
|
l4 |
Layer 4 |
|
LAAS |
Local Area Augmentation System |
|
LAC |
Line Assignment Center |
|
LADS |
Local Area Data Service |
|
LADT |
Local Area Data Transport |
|
LAG |
Link Aggregation Group |
|
LAN |
Local Area Network |
|
LANE |
Local Area Network Emulation |
|
LAP |
Link Access Protocol |
|
LAP-B |
Link Access Procedure - Balanced |
|
LAP-B |
Link Access Protocol-Balanced |
|
LAP-D |
Link Access Procedure- Digital channel |
|
LAP-D |
Link Access Protocol-D channel |
|
LAPB |
Link Access Protocol-Balanced |
|
LAPD |
Link Access Procedure D channel |
|
LAPM |
Link Access Protocol for Modems |
|
LAS |
Local Authentication Service |
|
LASA |
Large Aperture Seismic Array |
|
LASER |
Light Amplification By Stimulated Emission Of Radiation (cf. Maser) |
|
LASINT |
Laser Intelligence |
|
LAT |
Local Area Transport (network) |
|
LATA |
Local Access and Transport Area |
|
LATA |
Local Access Transport Area |
|
LAW |
Local Area Wireless |
|
LB |
Local Battery |
|
LBA |
Location-Based Advertising |
|
LBR |
Low Bit Rate |
|
LBS |
Location-Based Services |
|
LBX |
Low Bandwidth X |
|
LCA |
Line Circuit Address |
|
LCAS |
Link Capacity Adjustment Scheme |
|
LCD |
Liquid Crystal Display |
|
LCF |
Location Confirm |
|
LCGN |
Logical Channel Group Number |
|
LCN |
Logical Channel Number |
|
LCN |
Local Communications Network |
|
LCN |
Local Channel Number |
|
LCP |
Link Control Protocol |
|
LCP |
Local Control Point |
|
LCR |
Least Cost Routing |
|
LCT |
Large Capacity Tandom |
|
LCU |
Line Control Unit |
|
LCU |
Lightweight Computer Unit |
|
LCWN |
LiveCache Wireless Network |
|
LD |
Long Distance |
|
LD |
Laser Diode |
|
LDAP |
Lightweight Directory Access Protocol (pronounced Ell-dap) |
|
LDB |
Last Data Bit |
|
LDC |
Long Distance Carrier |
|
LDDS |
Limited Distance Data Service |
|
LDI |
Long Distance Interconnect |
|
LDL |
Long Distance Link |
|
LDM |
Limited Distance Modem |
|
LDN |
Local Directory Number |
|
LDP |
Label Distribution Protocol |
|
LE |
Line Encryption |
|
LEC |
Local Exchange Carrier |
|
LEC |
Liquid Encapsulated Czochralski |
|
LED |
law enforcement desk; light emitting diode |
|
LED |
Light-Emitting Diode |
|
LEED |
Low-energy Electron Diffraction |
|
LEN |
Line Equipment Number |
|
LEO |
Low-Earth-Orbit |
|
LEO |
Low Earth Orbit (satellite communications) |
|
LEP |
Large Electron Positron |
|
LET |
Line Equipment Transfer |
|
LETS |
Line Efficiency Tracking System |
|
LF |
Line Feed |
|
LF |
Low Frequency |
|
LFACS |
Loop Facility Assignment and Control System |
|
LFTYR |
Ley Federal de Telecomunicaciones y Radiodifusión |
|
LG |
Line Good |
|
LGE |
Loop- or Ground-start Exchange |
|
LGS |
Loop- or Ground-start Subscriber |
|
LH |
Link Handler |
|
LI |
Length Indicator |
|
LIDB |
Line Information DataBase |
|
LIF |
Logical Interchange Format |
|
LIM |
Line Isolation Monitor |
|
LIS |
Lightning Imaging Sensor |
|
LISP |
List Processing Language |
|
LIU |
Line Interface Unit |
|
LL |
Lower Layer |
|
LLA |
Link Level Access |
|
LLAR |
Local Loop Access Ring |
|
LLB |
Line LoopBack |
|
LLC |
Limited Liability Company |
|
LLC |
Logical Link Control |
|
Lli |
Logical Link Identifier |
|
LLU |
Local Loop Unbundling |
|
LMBCS |
Lotus Mult-Byte Character Set |
|
LMC |
Loop Maintenance Center |
|
LMDS |
Local Multipoint Distribution Service |
|
LME |
Line Monitoring Equipment |
|
LMOS |
Loop Maintenance Operations System |
|
LMS |
Location and Monitoring Service |
|
LMS |
Learning management system |
|
LMS |
Local Measured Service |
|
LMT |
Lightwave Microcell Transceiver |
|
LMU |
Line Monitor Unit |
|
LN |
Line |
|
LNP |
Local Number Portability |
|
Lo |
Lockout |
|
LOB |
Line Of Bearing/Balance |
|
LOF |
Loss of Frame (ATM) |
|
LOH |
Line Overhead |
|
LOO |
Likelihood of Occurrence |
|
LOP-L |
Loss Of Pointer - Line |
|
LOP-P |
Loss Of Pointer - Path |
|
LOP-V |
Loss Of Pointer - Virtual |
|
Loran |
Long Range Aid to Navigation System |
|
LOSW |
Loss Of Synchronous Word |
|
LP |
Low Pressure |
|
LP |
Line Pair |
|
LPC |
Linear Predictive Coding |
|
LPD |
Low Probability of Detection |
|
LPDP |
Local Policy Decision Point |
|
LPE |
Liquid Phase Epitaxy |
|
LPU |
Line Protection Unit |
|
LQC |
Line Quality Control |
|
LQD |
Line Quality Disturbance |
|
LQE |
Line Quality Engineering |
|
LQF |
Line Quality Function |
|
LQI |
Line Quality Indicator |
|
LQN |
Line Quality Network |
|
LQO |
Line Quality Operation |
|
LQR |
Linear Quadratic Regulator |
|
LQR |
Line Quality Report |
|
LR |
Line Rate |
|
LR-WPAN |
Low-Rate Wireless Personal Area Network |
|
LRB |
Loop Reverse Battery |
|
LRC |
Longitudinal Redundancy Check |
|
LRC |
Learning Resource Center |
|
LRF |
Location Registration Function |
|
LRF |
Laser Range Finder |
|
LRJ |
Location Reject |
|
LRM |
Long Reach Multimode |
|
LRN |
Local Routing Number |
|
LRQ |
Location Request |
|
LRU |
Line Replaceable Unit |
|
LS |
Loop Start |
|
LSAP |
Link Layer Service Access Point |
|
LSAP |
Link Service Access Point |
|
LSC |
Link State Control |
|
LSF |
Line Spread Function |
|
LSI |
Large-Scale Integration |
|
LSI |
Large Scale Integration -> VLSI |
|
LSI |
Loop Start Interface |
|
LSMS |
Local Service Management System |
|
LSOA |
Local Service Order Administration |
|
LSP |
Label Switched Path |
|
LSP |
Local Support Provider |
|
LSR |
Local Service Request |
|
LSW |
Least Significant Word |
|
LT |
Line Termination |
|
LT |
Less Than |
|
LTA |
Leased Transport Area |
|
LTP |
Long Term Prediction |
|
LTS |
Laboratory for Telecommunication Sciences |
|
LTU |
Line Terminating Unit |
|
LTU |
Line Test Unit |
|
LTU |
Line Termination Unit |
|
LU |
Logical Unit |
|
LUL |
Land Use Line |
|
LULT |
Line Unit/Line Termination |
|
LUNT |
Line Unit Network Termination |
|
LVC |
Label Virtual Circuit |
|
LVDS |
Low-Voltage Differential Signalling |
|
LVM |
Line Verification Module |
|
LVZ |
Line Variance Zero |
|
LW |
Long-wavelength |
|
LWT |
Listen While Talk |
|
LXT |
Local Exchange Terminal |
|
LZ |
Lempel-Ziv compression algorithm |
|
LZ |
Landing Zone |
|
M |
Memory |
|
M |
Maintenance (Job Status) |
|
M |
Management |
|
m |
Meter |
|
M-CSI |
Mobility management CAMEL (Customized Applications for Mobile network Enhanced Logic) Subscription Information |
|
M-LEAD |
Mouth Lead |
|
M-M |
Multiplex-Multicast |
|
M/W |
MicroWave |
|
M2M |
Multipoint-to-Multipoint |
|
MA |
Message Analysis |
|
MA |
Maintenance Action |
|
MAC |
Media Access Control |
|
MAC |
Message Authenticity Check |
|
MAC |
Message Authentication Code |
|
MAG |
Mobile Access Gateway |
|
MAHO |
Mobile Assisted Handoff |
|
MAI |
Multiple Access Interference |
|
Maj |
Major |
|
MAN |
Metropolitan Area Network |
|
MAP |
Management Assessment Program |
|
MAP |
Manufacturers Application Protocol |
|
MAP |
Mobile Application Part |
|
MAP |
Mobile Applications Port |
|
MAPDU |
Management Application Protocol Data Unit |
|
MAPI |
Messaging Applications Programming Interface |
|
MAPP |
Mobile Access Personal Presence |
|
MAPS |
Maps Application Provisioning System |
|
MARS |
Military Affiliated Radio System |
|
MAU |
Multistation Access Unit |
|
MB |
Measured Business |
|
MB |
Megabyte |
|
MB |
Medium Band |
|
MBA |
Masters in Business Administration |
|
MBA |
Message Body Authenticator |
|
MBAC |
Measurement-Based Admission Control |
|
MBCM |
Multiple Block-Coded Modulation |
|
MBE |
Molecular Beam Epitaxy |
|
MBMS |
Multimedia Broadcast/Multicast Service |
|
Mbps |
Megabits per second |
|
MBR |
Master Boot Record |
|
MBS |
Meter Backflow Services |
|
MBS |
Maximum Burst Size (ATM) |
|
MBWA |
Mobile Broadband Wireless Access |
|
MC |
Make Call |
|
MC |
Management Center |
|
MC |
Message Center |
|
MC |
Maintenance Control |
|
MC-SS |
Multi-Carrier Spread Spectrum |
|
MC/MIC |
Mode Common/Mode Indicate Common |
|
MCA |
Missed Calls Alert |
|
MCA |
Micro Channel Architecture |
|
MCC |
Mission Control Center (JSC) |
|
MCD |
Community Care Access Centre |
|
MCD |
Mobile Communications Division |
|
MCD |
Magnetic Circular Dichroism |
|
MCF |
Message Confirmation Frame |
|
MCFI |
Multiple number Call Forwarding Inhibit |
|
MCN |
Mittweidaer CampusNet |
|
MCP |
Microsoft Certified Professional |
|
MCP |
Mobile Centered Paging |
|
MCPC |
Multiple Channels Per Carrier |
|
MCR |
Minimum Cell Rate (ATM) |
|
MCSD |
Microsoft Certified Solution Developer |
|
MCU |
Multipoint Control Unit |
|
MD |
Mediation Device |
|
MDA |
Model Driven Architecture |
|
MDA |
Monochrome Display Adapter |
|
MDC |
Monthly Demand Charge |
|
MDCNZ |
Monthly Demand Charge for Non-Zone network Load |
|
MDCP |
Media Device Control Protocol |
|
MDCZ |
Monthly Demand Charge for a Zone |
|
MDF |
Main Distribution Frame |
|
MDM |
Mobile Device Management |
|
MDN |
Mobile Directory Number |
|
Mdram |
Multibank Dram |
|
MDTS |
Mobile Data Terminal Software |
|
MDU |
Monthly Domestic Usage |
|
ME |
Mobile Equipment |
|
MEAS |
Measured Extended Area Service |
|
MEAS |
Measurement Specialties, Inc. |
|
MEAS |
Measure |
|
MED |
Manipulative Electronic Deception |
|
MEECN |
Minimum Essential Emergency Communication Network |
|
MEH |
Mobile-Executed Handoff |
|
MEI |
Multiple Extension Interworking |
|
MEID |
Mobile Equipment Identifier |
|
MEO |
Middle-Earth-Orbit |
|
MEOS |
Medium Earth Orbit Satellite |
|
MERIS |
medium-resolution imaging spectrometer |
|
MERS |
Most Economical Route Selection |
|
MES |
Master Earth Station |
|
METRO |
Metropolitan |
|
MF |
Multiple Frequency |
|
MF |
Medium Frequency |
|
MFA |
Multi-Frame Alignment |
|
MFAS |
Multi-Frame Alignment Signal |
|
MFC |
Multi-Frequency Code |
|
MFJ |
Modified Final Judgement |
|
MFLOPS |
Millions of Floating Point Operations per Second |
|
MFN |
Multiple Frequency Network |
|
MFR |
Multi-link Frame Relay |
|
MFRM |
Multi-carrier Flexible Radio Module |
|
MFT |
Metallic Facilities Terminal |
|
MGC |
Multimedia Gateway Controller |
|
MGCP |
Multimedia Gateway Control Protocol |
|
MGMT |
Management |
|
MGW |
Mobile GateWay |
|
MH |
Message Handler |
|
MHD |
Maximum Hour Demand |
|
MHL |
Mobile High-definition Link |
|
MHO |
My Humble Opinion |
|
MHS |
Message Handling System (electronic) |
|
MHS |
Microwave Humidity Sounder |
|
MIB |
Management Information Base (ATM) |
|
MIC |
Message Integrity Check |
|
MIC |
Management Integration Consortium |
|
MID |
Maritime Identification Digits |
|
MIDP |
Mobile Information Device Protocol |
|
MIDP |
Mobile Information Device Profile |
|
MILNET |
Military Network |
|
MIME |
Multipurpose Internet Mail Extension |
|
MIN |
Mobile Identification Number |
|
MIPS |
Millions of Instructions Per Second |
|
MIR |
Maximum Information Rate |
|
MIS |
Mobile Information Service |
|
mis |
Miscellaneous |
|
MIS |
Marketing Intelligence System |
|
MIS |
Management Information Service |
|
MIS |
Management Information System (OSHA) |
|
MIT |
Massachusetts Institute of Technology (U.S.) |
|
MITI |
Ministry of International Trade and Industry |
|
MITS |
Metaphors for Integrated Telecommunications Services |
|
MJC |
Modular Jack Cable |
|
MJT |
Modular Jack Terminal |
|
MJU |
Modular Jack Unit |
|
ML |
maximum length |
|
Ml-ppp |
Multilink Point-to-Point Protocol |
|
MLA |
Modern Language Association |
|
MLC |
Multiple Level Cell |
|
MLE |
Metropolitan Line Extension |
|
MLHG |
Multi-Line Hunt Group |
|
MLM |
Multi-Longitudinal Mode |
|
mLMS |
Mobile Learning Management System |
|
MLP |
Mobile Location Protocol |
|
MLP |
Multi-layer Perception |
|
MLS |
Microwave Landing System |
|
MLS |
Multiple Listing Service |
|
MLS |
Mobile Location Services |
|
mm |
mismatch |
|
MM |
Multimode (fiber optic cable) |
|
MMB |
Middle Mouse Button |
|
MMC |
Minimum Monthly Charge |
|
MMC |
Microsoft Management Console (Microsoft) |
|
MMDS |
Multichannel Multipoint Distribution System |
|
MMDS |
Multichannel Multipoint Distribution Service |
|
MMDX |
Multi-Media Data Services |
|
MME |
Mobility Management Entity |
|
MMF |
Microsoft Mail File |
|
MMJ |
Modified Modular Jack |
|
MMM |
Mobile Media Mode |
|
MMMS |
Mobile Multimedia Messaging Service |
|
MMS |
Multimedia Message Service |
|
MMS |
Multimedia Messaging Service |
|
MMS |
Meteorological Measurement System |
|
MMSI |
Maritime Mobile Service Identity |
|
MMT |
Multimedia Multiparty Teleconferencing |
|
MMU |
Memory Management Unit |
|
MNA |
Multi-Network Area |
|
MND |
Multi-Number Dialer |
|
MNET |
Minnesota's Network for Enterprise Telecommunications |
|
MNOC |
Mobile Network Operation Center |
|
MNOS |
Metal-nitride-oxide Semiconductor |
|
MNP |
Microcomputer Networking Protocol |
|
MNP |
Mobile Number Portability |
|
MO |
Magneto-optic |
|
MOA |
Managed Object Agent |
|
MOB |
Mobile |
|
MOC |
Maintenance and Operations Console |
|
MOC |
Ministry of Communications |
|
MOD |
Modulo |
|
MOD |
Modify |
|
modem |
modulation and demodulation |
|
MOE |
Modem Operating Environment |
|
MOL |
Manned Orbiting Laboratory |
|
MOM |
Mainboard Operation Monitor |
|
MOS |
Metal Oxide Semiconductor (FET Devices) |
|
MOS |
Model Output Statistics |
|
MOU |
Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections) |
|
MP |
Modulation Parameter |
|
MP |
Management Processor |
|
MP |
Multilink Protocol |
|
MP |
Master Processor |
|
MPEG |
Motion Picture Experts Group |
|
MPI |
Minimum Picture Interval |
|
MPI |
Message Passing Interface |
|
MPLS |
Multi Protocol Label Switching |
|
MPPP |
Multilink Point-to-Point Protocol |
|
MPU |
Main Processor Unit |
|
MQFP |
Metric Quad Flat Pack |
|
MR |
Mobile Router |
|
MRC |
Monthly Recurring Charge |
|
MRCA |
Most Recent Common Ancestor |
|
MRI |
Magnetic Resonance Imaging |
|
MRT |
Medical Response Team |
|
MRVT |
MTP Routing Verification Test |
|
ms |
Millisecond |
|
MS |
Management System |
|
MS |
Message Store |
|
MS |
Mobile Station |
|
MSC |
Mobile Switching Center |
|
MSDP |
Multicast Source Discovery Protocol |
|
MSE |
Mobile Subscriber Equipment |
|
MSG |
Management Steering Group |
|
MSI |
Maritime Safety Information |
|
MSID |
Mobile Station Identity |
|
MSN |
Microsoft Network |
|
MSO |
Marine Safety Office(r) |
|
Msr |
Microwave Scanning Radiometer |
|
MSRN |
Mobile Station Roaming Number |
|
MSS |
Mobile Satellite Service |
|
MSSC |
Mobile Satellite Switching Centre |
|
MST |
Mountain Standard Time |
|
MSU |
Microwave Sounding Unit |
|
MSW |
Most Significant Word |
|
MT |
maintenance |
|
MTA |
Message Transfer Agents (Internet) |
|
MTBF |
Mean Time Before Failure |
|
MTBM |
Mean Time Between Maintenances |
|
MTD |
Moving Target Detection |
|
MTI |
Moving Target Indicator |
|
MTIE |
Maximum Time Interval Error |
|
MTP |
Message Transfer Part |
|
MTS |
Message Transmission Subsystem |
|
MTS |
Message Telecommunications Service |
|
MTS |
Message Transfer System |
|
MTS |
message transport system |
|
MTSO |
Mobile Telephone Switching Office |
|
MTTR |
Mean Time To Repair |
|
MTU |
Maximum Transmission Unit |
|
MUF |
Maximum Useable Frequency |
|
MUSIC |
MUltiple SIgnal Classification |
|
MV |
Motion Vector |
|
MVD |
Motion Vector Data |
|
MVDM |
Multiple Virtual DOS Machine |
|
MVDS |
Microwave Video Distribution System |
|
MVPRP |
Multivendor Problem Resolution Process |
|
MVS |
Multiple Virtual Storage |
|
MWC |
Multi-Way Calling |
|
MX |
Mixer |
|
N-AMPS |
Narrowband Advanced Mobile Phone System |
|
N-AMPS |
Narrowband Advanced Mobile Phone Service |
|
NA |
Not Applicable |
|
NA |
Network Adapter |
|
NAB |
National Association Of Broadcasters |
|
NACSIM |
National Communications Security Information Memorandum |
|
NAFTA |
North American Free Trade Agreement |
|
NAK |
Negative Acknowledge |
|
NAM |
Numeric Assignment Module |
|
NAM |
Number Assignment Module |
|
NANP |
North American Numbering Plan |
|
NAP |
Network Access Point |
|
NARC |
Non-Automatic Relay Center |
|
NARSAP |
National Advanced Remote Sensing Application Program |
|
NAS |
Network-Attached Storage |
|
NAS |
Network Access Server |
|
NAS |
North American Standard |
|
NAT |
Network Address Translation |
|
NATA |
North American Telecommunications Allocation |
|
NATO |
North Atlantic Treaty Organisation |
|
NATS |
North American Terrestrial System |
|
NAU |
Network Addressable Unit |
|
NB |
Nota Bene. Abbreviation of the Latin expression commonly used to emphasise the importance of a statement, literally meaning 'observe well'. Or less politely and more amusingly, No Bullshit. |
|
NB |
Narrowband |
|
NBDP |
Narrow Band Direct Printing |
|
NBP |
Name Binding Protocol |
|
NBS |
New British Standard |
|
NBS |
National Bureau of Standards (US) |
|
NC |
Network Channel |
|
NC |
Network Computer (PC Internet) |
|
NCA |
Non-Call Associated |
|
NCAR |
National Center for Atmospheric Research (US) |
|
NCC |
Network Control Center (GSFC) |
|
NCF |
Network Control Facility |
|
NCOS |
Network Class Of Service |
|
NCOSE |
National Council on Systems Engineering |
|
NCP |
Network Control Protocol |
|
NCP |
Network Control Program |
|
NCP |
Network Control Point |
|
NCS |
National Communications System |
|
NCSA |
National Center for Supercomputing Applications |
|
NCSC |
National Computer Security Center (NSA) |
|
NCSU |
North Carolina State Universityrsity |
|
NDIS |
Network Driver Interface Specification (Microsoft Windows NT) |
|
NDS |
Novell Directory Services |
|
NDVI |
Normalized Difference Vegetation Index |
|
NE |
Network Element |
|
NE |
North-East |
|
NE |
Network Entity |
|
NEBS |
New Equipment Building Specifications |
|
NEC |
National Electrical Code |
|
NECA |
National Exchange Carrier Association |
|
Nef |
Network Element Function |
|
NEMA |
National Electric Manufacturer's Association |
|
NEMP |
Nuclear Electromagnetic Pulse |
|
NES |
Network Encryption System |
|
NESC |
National Electrical Safety Code |
|
NESDIS |
National Environmental Satellite, Data, and Information Service |
|
NetBIOS |
Network Basic Input-Output System |
|
NETS |
Nationwide Emergency Telecommunications Service |
|
NF |
Noise Factor |
|
NF |
Not Found |
|
NFF |
Neutral File Format |
|
NFPA |
National Fire Protection Association |
|
NFR |
Near-Field Recording |
|
NFS |
Network File System |
|
NHRP |
Next Hop Resolution Protocol (ATM) |
|
NI |
Network Interface |
|
NIC |
Network Information Center |
|
NIC |
Network Interface Card |
|
NIC |
Network Interface Controller |
|
NICAD |
Nickel Cadmium |
|
NICT |
National Institute of Information and Communications Technology |
|
NIH |
Not Invented Here |
|
NII |
National Information Infrastructure (USA) |
|
NIMA |
National Imagery Mapping Agency |
|
NIMBY |
Not In My Back Yard |
|
NiMH |
Nickel-Metal Hydride |
|
NIS |
Network Information Service |
|
NIST |
National Institute of Standards & Technology (US) |
|
NIST |
National Institute of Standards and Technology |
|
NIU |
Network Interface Unit |
|
NLM |
NetWare Loadable Module |
|
NLM |
National Library of Medicine (National Institutes of Health) |
|
NLMS |
Normalized Least Mean Square |
|
NM |
Network Manager (GSFC) |
|
NMAS |
Network Management System |
|
NMC |
Network Management Center |
|
NMC |
Nortel Matra Cellular |
|
NMC |
Network Model Coverage |
|
NMF |
Network Management Forum |
|
NML |
Network Management Layer |
|
NMR |
Nuclear Magnetic Resonance |
|
NMS |
Network Management Service |
|
NMS |
Network Management System |
|
NMS |
NetWare Management System |
|
NMSE |
Normalized Mean Square Error |
|
NMT |
Nordic Mobile Telephone |
|
NN |
node number |
|
NNM |
Network Node Manager |
|
NNTP |
Network News Transfer Protocol |
|
NOAA |
National Oceanic and Atmospheric Administration (US) |
|
NOAO |
National Optical Astronomy Observatories (Tucson, AZ) |
|
NOC |
Network Operations Center |
|
NOLM |
Nonlinear Optical Loop Mirror |
|
NOS |
Network Operating System |
|
NOTAM |
Notice to Airmen |
|
NPA |
Numbering Plan Area |
|
NPI |
New Product Introduction |
|
NPSI |
Network Packet Switching Interface |
|
NPV |
Net Present Value {economics} |
|
NQA |
Niveau de Qualite Acceptable |
|
NR |
Nummer |
|
NR |
normal |
|
NRC |
National Research Council (Canada) |
|
NREN |
National Research and Education Network |
|
NRI |
Net Radio Interface |
|
NRP |
Network Resource Planning |
|
NRPB |
National Radiological Protection Board |
|
NRZ |
Nonreturn To Zero |
|
NS |
Non-Standard |
|
NSA |
National Security Agency |
|
NSAI |
National Standards Authority of Ireland |
|
NSAP |
Network Service Access Point |
|
NSC |
Non-Standard Facilities Command |
|
NSDI |
National Spatial Data Infrastructure |
|
NSE |
Network Software Environment |
|
NSEP |
National Security Emergency Preparedness |
|
NSF |
National Sanitation Foundation |
|
NSK |
Nonstop Kernel |
|
NSM |
Network Status Monitor |
|
NSN |
National Significant Number |
|
NSP |
National Signaling Point |
|
NSPE |
National Society of Professional Engineers |
|
NSS |
Network Switching Subsystem |
|
NSSG |
Network Solutions and Service Group |
|
NT |
New Technology, also Windows NT |
|
NT |
Network Termination |
|
NTDS |
Naval Tactical Data System |
|
NTE |
Network Terminating Equipment |
|
NTFS |
New Technology File System |
|
NTIA |
National Telecommunications and Information Administration |
|
NTIS |
National Technical Information Service Technology Administration |
|
Nton |
National Transparent Optical Network |
|
NTP |
Network Time Protocol |
|
NTSA |
Networking Technical Support Alliance |
|
NTSC |
National Television Standards Committee |
|
NTU |
Network Termination Unit |
|
NW |
North West |
|
NWK |
Network |
|
NYSE |
New York Stock Exchange |
|
O |
Other |
|
O |
Oblique |
|
O |
Optical |
|
O |
objective |
|
O&M |
Operation and Maintenance |
|
O/G |
Outgoing |
|
O/S |
Operating System |
|
OA&M |
Operations, Administration & Maintenance |
|
OAM&P |
Operations, Administration, Maintenance & Provisioning |
|
OAS |
Organization of American States |
|
OBC |
Onboard Computer |
|
OBO |
Or Best Offer |
|
OC |
Operations Channel |
|
OC |
Optical Carrier |
|
OC |
Output Controller |
|
OC-1 |
Optical Carrier Signal, Level 1 |
|
OC-12 |
Optical Carrier Signal, Level 12 |
|
OC-18 |
Optical Carrier Signal, Level 18 |
|
OC-192 |
Optical Carrier Signal, Level 192 |
|
OC-24 |
Optical Carrier Signal, Level 24 |
|
OC-256 |
Optical Carrier Signal, Level 256 |
|
OC-3 |
Optical Carrier Signal, Level 3 |
|
OC-36 |
Optical Carrier Signal, Level 36 |
|
OC-48 |
Optical Carrier Signal, Level 48 |
|
OC-9 |
Optical Carrier Signal, Level 9 |
|
OC-96 |
Optical Carrier Signal, Level 96 |
|
OCC |
Occupancy |
|
OCI |
object code insertion |
|
OCR |
Optical Character Recognition |
|
OCTS |
Ocean Color and Temperature Scanner |
|
OD |
Outside Diameter |
|
ODBC |
Open Database Connectivity |
|
ODS |
Operational Data Store (knowledge management) |
|
OE |
Originating Equipment |
|
OEM |
Original Equipment Manufacturer (usually in reference to car parts) |
|
OFC |
Office |
|
OHD |
Optical Heterodyne Detection |
|
OIC |
Oh I See |
|
OID |
Object Interaction Diagram |
|
OIM |
Operations Interface Module |
|
OLAP |
Online Analytical Processing |
|
OLE |
Object Linking and Embedding (Microsoft communication protocol) |
|
OLEC |
Other Local Exchange Carrier |
|
OLS |
Optical Line System |
|
OM |
operations management |
|
OM |
Old Man |
|
OMA |
Open Mobile Alliance |
|
OMC |
Operations and Maintenance Centre |
|
OMF |
Object Management Framework |
|
OMG |
Object Management Group |
|
OML |
Object Model Library |
|
OMNCS |
Office of the Manager, National Communications System |
|
OMP |
Open Management Platform |
|
OMP |
Operations and Management Platform |
|
OMS |
Optical Multiplex Section |
|
ONE |
Other Network Entity |
|
ONI |
Operator Number Identification |
|
OODBMS |
Object-Oriented Database Management Systems |
|
OOK |
On/Off Keying |
|
OOP |
Object-Oriented Programming |
|
OOR |
Operator Override |
|
OPC |
Originating Point Code |
|
OPS/INE |
Operations System/Intelligent Network Element |
|
OR |
Office Regenerator |
|
ORB |
Object Request Broker |
|
OS |
Operating System |
|
OS/2 |
Operating System/2 |
|
OSA |
Open System Architecture |
|
OSCAR |
Orbiting Satellite Carrying Amateur Radio |
|
Osd |
Onscreen Display |
|
OSF |
Open Software Foundation |
|
OSHA |
Occupational Safety and Health Act (1970) |
|
OSI |
Open Systems Interconnection (iso Standard) |
|
OSP |
Outside Plant |
|
OSPF |
Open Shortest Path First (ATM) |
|
OSS |
Operations Support System |
|
OSS |
Operational Support System |
|
OST |
Office of Science and Technology |
|
OSTP |
Office of Science and Technology Policy |
|
OT |
Office of Telecommunications |
|
OTA |
Over-the-Air Activation |
|
OTA |
Office of Technology Assessment (U.S.; abolished by Congress, Fall 1995) |
|
OTD |
Open Terminal Directive |
|
Otdoa |
Observed Time Difference of Arrival |
|
OTF |
On-The-Fly (data acquisition method) |
|
OTF |
Optical Transfer Function |
|
OTH-B |
Over-the-Horizon Backscatter |
|
OTM |
Object Transaction Manager |
|
OTN |
Optical Transport Network |
|
OTS |
Optical Transmission Section |
|
Ows |
Operator Work Station |
|
OXCO |
Oven-Controlled Crystal Oscillator |
|
P |
Planning |
|
P |
Predicted |
|
P |
Priority |
|
P |
Point |
|
P&A |
Privacy and Authentication |
|
P&L |
Profit and Loss statement |
|
P2P |
Person-to-Person |
|
PABX |
private automatic branch exchange (telephone) |
|
PACS |
Personal Access Communications System |
|
PAD |
Packet Assembler-Disassemble |
|
PAGCH |
Paging and Access Grant Channel |
|
PAL |
Programmable Array Logic |
|
PAL |
Phase Alternating by Line |
|
PAM |
Payload Assist Module |
|
PAM |
Pulse Amplifier Modulation |
|
PAN |
Personal Area Network |
|
PAP |
Password Authentication Protocol (ATM) |
|
PAR |
Precision Approach Radar |
|
PARC |
Palo Alto Research Center |
|
PBT |
Polybutylene Terephthalate |
|
PBX |
Private Branch eXchange (company phone system) |
|
PC |
Personal computer (host) |
|
PC |
Peripheral Controller |
|
PC |
Project Coordinator |
|
PC |
Process Control |
|
PCB |
printed circuit board |
|
PCCA |
Portable Computer Communications Association |
|
PCI |
Peripheral Component Interconnect |
|
PCI |
Personal Computer Interface |
|
PCIA |
Personal Communications Industry Association |
|
PCL |
Product Computing Module Load(s) |
|
PCM |
Pulse-Code Modulation |
|
PCMCIA |
Personal Computer Memory Card Industry Association |
|
PCMCIA |
Personal Computer Memory Card International Association |
|
PCN |
Personal Communications Networks (European PCS) |
|
PCS |
Personal Communications Services |
|
PCTF |
Per-Call Test Failure |
|
PD |
Public Domain |
|
PD |
Power Distribution |
|
PD |
Pulse Duration |
|
PDA |
Personal Digital Assistant |
|
PDC |
Personal Digital Cellular |
|
PDE |
Positioning Determination Entity |
|
PDF |
Portable Document Format (created by Adobe Acrobat) |
|
PDH |
Plesiochronous Digital Hierarchy |
|
PDL |
Positioning Data Link |
|
PDN |
Packet Data Network |
|
PDN |
Public Data Network |
|
PDR |
Preliminary Design Review |
|
PDS |
Protected Distribution System |
|
PDS |
Planetary Data System |
|
PDSO |
Packet Data Security Overlay |
|
PDT |
Pacific Daylight Time |
|
PDT |
Portable Data Terminal |
|
PDU |
Protocol data unit (such as segment, packet, frame, etc.) |
|
PE |
Polyethylene |
|
PE |
Probable Error |
|
PECVD |
Plasma-Enhanced Chemical Vapor Deposition |
|
PEM |
Privacy-Enhanced Mail |
|
PERT |
Program Evaluation and Review Technique |
|
PET |
positron emission tomography |
|
PFE |
Power Feed Equipment |
|
PG |
Page |
|
PGA |
Programmable Gate Array |
|
PGP |
Pretty Good Protection (encryption) |
|
PGP |
Pretty Good Privacy (encryption) |
|
PHIGS |
Programmer's Hierarchical Interactive Graphics System |
|
PHY |
Physical Layer |
|
PI |
Processor Interface |
|
PIC |
Pre-Subscribed Interexchange Carrier |
|
PIC |
Programmable Interrupt Controller |
|
PIC |
Peripheral Interface Controller |
|
PICS |
Protocol Implementation Conformance Statement |
|
PIH |
Pin in Hole |
|
PIM |
Protocol Independent Multicast |
|
PIM |
Personal Information Manager |
|
PIN |
Personal Identification Number |
|
PIN |
Positive-Intrinsic-Negative |
|
PJC |
Pointer Justification Count |
|
PKI |
Public Key Infrastructure (cryptography) |
|
PLCP |
Physical Layer Convergence Protocol (ATM) |
|
PLCP |
Physical Layer Convergence Procedure |
|
PLD |
Programmable Logic Device |
|
PLE |
Path Length Efficiency |
|
PLL |
Phase Locked Loop |
|
PLM |
Product Line Manager |
|
PLMN |
Public Land Mobile Network |
|
PM |
Preventive Maintenance |
|
PM |
Phase Modulation |
|
PM |
Processable Mode |
|
PM |
post meridian |
|
PM |
Project Manager |
|
PMA |
Physical Medium Attachment |
|
PMD |
Physical Media-Dependent |
|
PMMA |
Polymethyl Methacrylate |
|
PMOS |
P-channel Metal Oxide Semiconductor |
|
PMP |
Project Management Professional |
|
PMT |
Photo Multiplier Tube |
|
PMT |
Program Management Team |
|
PN |
Public Network |
|
PNA |
Parallel Network Architecture |
|
PNE |
Path Number Efficiency |
|
PNG |
Portable Network Graphics (graphic file standard/extension) |
|
Pnm |
Pulse Number Modulation |
|
PnP |
Plug-and-Play |
|
PNP |
Positive-Negative-Positive |
|
PNVS |
Pilot Night Vision Sensor |
|
PO |
Purchase Order |
|
POC |
Point Of Contact |
|
POE |
power over ethernetinjector |
|
POP |
Point Of Presence (Internet) |
|
POP |
Post Office Protocol |
|
POR |
Power On Reset |
|
POS |
Point Of Sale.Retail term, being the physical point at which products are displayed on shelves or paid for at the checkout, as in the EPOS acronym. |
|
POTS |
Plain Old Telephone Service (FCW) |
|
PP |
Polypropylene |
|
PPARC |
Particle Physics and Astronomy Research Council |
|
ppb |
parts per billion (109) |
|
PPC |
Pay-Per-Call |
|
PPCH |
Packet Paging Channel |
|
ppm |
parts per million |
|
PPP |
Point-to-Point Protocol |
|
Ppt |
Permanent Part Time |
|
PPV |
Pay-Per-View |
|
PR |
Preference |
|
PRAM |
Parameter RAM |
|
PRCS |
Philips Radio Communications Systems |
|
PRE |
Preliminary |
|
PRF |
Pulse Repetition Frequency |
|
Pri |
Priority |
|
PRI |
Primary Rate Interface (ISDN) |
|
PRM |
Premium Rate |
|
PRM |
Performance Report Message |
|
PROM |
Programmable Read-Only Memory |
|
Prov |
Provisioning |
|
PS |
Product Specification |
|
PSA |
Protocol-Specific Annex |
|
PSC |
Picture Start Code |
|
PSD |
Phase-Sensitive Detector |
|
PSDN |
Public Switched Digital Network |
|
PSDS |
Packet Switched Data Service |
|
Psk |
Phase Shift Key |
|
PSK |
phase-shift keying |
|
PSLV |
Polar Satellite Launch Vehicle (Indian Space Research Organization; India) |
|
PSN |
Packet-Switched Network |
|
PSN |
Public Switched Network |
|
PSN |
Packet Switched Network |
|
PSN |
Personal Subscription Number |
|
PSNEXT |
Power Sum Near End Cross Talk |
|
PSO |
Professional Services Organization |
|
PSP |
Payphone Service Provider |
|
PSPDN |
Packet Switched Public Data Network |
|
PSQM |
Perceptual Speech Quality Measure |
|
PSS |
Phone Search Space |
|
PSS |
Performance Support System |
|
PST |
Public Safety Telecommunications |
|
PST |
Pacific Standard Time (UTC-8 Hours) |
|
PSTN |
Public Switched Telephone Network |
|
PSU |
Packet Switching Unit |
|
PSX |
Power System Exchange |
|
PT |
Project Team |
|
Pt |
Payload Type (ATM) |
|
PTA |
Pakistan Telecommunication Authority |
|
PTA |
Pre-Transmission Audit |
|
PTAM |
Professional Telephone Answering Machine |
|
PTC |
Pacific Telecommunications Council |
|
PTC |
Pots Tandem Centrex |
|
PTCL |
Pakistan Telecommunication Company Ltd |
|
PTCL |
Pakistan TeleComunication Land-line |
|
PTCM |
Pragmatic Trellis-Coded Modulation |
|
PTE |
Path Terminating Equipment (SONET) |
|
PTFP |
Public Telecommunications Facilities Program |
|
PTI |
Payload Type Indicator |
|
PTK |
Post and Telecom of Kosovo |
|
PTM |
Point-To-Multipoint |
|
PTM |
Packet Transport Mode |
|
PTML |
Pakistan Telecommunications Mobile, LTD. |
|
PTN |
Public Telephone Network |
|
PTN |
Provider Telecommunications Network |
|
PTN |
Portable Telephone Network |
|
PTO |
U.S. Patent And Trademark Office |
|
PTO |
Public Telephone Operator |
|
PTP |
Personal Telco Project |
|
PTP |
Point To point Protocol |
|
PTP |
Point to Point Transmission Service (electricity) |
|
PTT |
Post Telegraph and Telecommunications |
|
PTT |
Push to Talk Testing |
|
PTT |
Post, Telephone, and Telegraph (authority) |
|
PTT |
Push to Talk Taster |
|
PTT |
Push to Talk Technology |
|
PU |
Physical Unit (IBM) |
|
PUB |
Publication (file name extension) |
|
PUC |
Public Utility Commission (electricity) |
|
PUHU |
Pick Up Hang Up |
|
PUK |
PIN (Personal Identification Number) Unlocking Key |
|
PVC |
Permanent Virtual Circuit (ATM) |
|
PVC |
Permanent Virtual Connection |
|
PVD |
Physical Vapor Deposition |
|
PVG |
Personal Voice Greeting |
|
PVG |
Packet Voice Gateway |
|
Pvn |
Private Virtual Network |
|
PVRA |
Physical Volume Reserved Area |
|
PVS |
Pennisula Video Surveillance |
|
PVT |
Private |
|
PWD |
Password |
|
PWM |
Pulse width modulation |
|
PWP |
Plastic Wall Phone |
|
PWT |
Personal Wireless Telecommunication |
|
PY |
person-year |
|
Q |
Quadrature |
|
Q&A |
Question & Answer |
|
Q3 |
Network Management Interface |
|
Qa |
Center for Quality Assurance in International Education |
|
QAM |
quadrature amplitude modulation |
|
QC |
Quality Circle |
|
QC |
Quality Control |
|
QC |
Quality Conversation |
|
QCIF |
Quarter Common Image Format |
|
QDR |
Quad Data Rate |
|
QEDI |
Quod Erat Demonstrandum |
|
QFSK |
Quadrature Frequency Shift Keying |
|
QI |
Quality Improvement |
|
QI |
Quality Indicator |
|
QIC |
Quality Improvement Council |
|
QLC |
Quality Com |
|
QLLC |
Qualified Logical Link Control |
|
QMS |
Quality Management System |
|
QNC |
Quick Net Connect |
|
QNL |
QoS Networking Laboratory, Boston University |
|
QNS |
Questar Network Services |
|
QOB |
Quality Of Burst |
|
QOD |
Quality of Data |
|
QOI |
Quality of Information |
|
QoS |
Quality of Service |
|
QoSM |
Quality of Service Management |
|
QOSOI |
Quality Of Service Over IP (Internet Protocol) |
|
QOTS |
Quality Of Telephone Services |
|
QoV |
Quality of Voice |
|
QPA |
Quality Performance Analysis |
|
QPM |
QoS (Quality of Service) Policy Manager |
|
QPSK |
aeronautical quadrature phase shift keying |
|
QPW |
QUIKPAGER Wireless |
|
QQS |
QOS (Quality Of Service) Query Service |
|
QR |
Quality record |
|
QRW |
Quasi-Random Word |
|
QS |
Quasi-Synchronous |
|
QSK |
Quadrature Shift Keying |
|
QstN |
Question |
|
R |
Rimorchio (trailer) |
|
R&D |
Research & Development |
|
RA |
Return Alarm |
|
RA |
Requirements Analysis |
|
RA |
Risk Analysis |
|
RACE |
Research into Advanced Communications in Europe |
|
RACE |
Research for Advanced Communications in Europe |
|
RACF |
Resource Access Control Facility |
|
RACH |
Random Access Channel |
|
RACON |
Radar Beacon |
|
RAD |
Recorded Announcement Device |
|
RAD |
Rapid Application Development |
|
RADARSAT |
Radar Satellite |
|
RADINT |
Radar Intelligence |
|
RADIUS |
Remote Authentication dial In User Service |
|
RADIUS |
Remote Authentication Dial-In User Service |
|
RADSL |
Rate Adaptive Digital Subscriber Line |
|
RAEX |
Roaming Agreement EXchange |
|
RAI |
remote alarm indication |
|
RAID |
Redundant Array of Inexpensive Disks |
|
RALB |
Resource All Busy |
|
RAM |
random-access memory |
|
RAMA |
Resource Auction Multiple Access |
|
RAN |
Radio Access Network |
|
RANAP |
Radio Access Network Application Part |
|
RANN |
Recorder ANNouncer |
|
RAPID |
Remote Access Protocol Interface Device |
|
RARP |
Reverse Address Resolution Protocol |
|
RAS |
Remote Access Services |
|
RASC |
Radio Access System Controller |
|
Rast |
Receive and Send Terminal |
|
rat |
Radio Access Technologies |
|
rats |
Richmond Amateur Telecommunications Society |
|
RATS |
Radio-Amateur Telecommunications Society |
|
RAU |
Remote Access Unit |
|
RAU |
Radio Access Unit (Army) |
|
RAU |
Residential Adaptor Unit |
|
RB |
Reverse Billing |
|
RB |
Resource Bearer |
|
RB |
Randomized Block |
|
RBES |
Rule-Based Expert Systems |
|
RBHC |
Regional Bell Holding Company |
|
RBOC |
Regional Bell Operating Company (Baby Bell) |
|
RBS |
Robbed Bit Signaling |
|
RBT |
Ring Back Tone |
|
RC |
Rating and Certification |
|
RC |
Rudy's Cellular |
|
RCC |
Rescue Coordination Center |
|
RCC |
Radio Common Carrier |
|
RCDD |
Registered Communications Distribution Designer |
|
RCE |
Region Code Enhancement |
|
RCF |
Remote Call Forwarding |
|
RCH |
Receive Channel |
|
RCMAC |
Recent Change Memory Administration Center |
|
RCMAG |
Recent Change Memory Administration Group |
|
RCMS |
Recharge Card Management System |
|
RCP |
Right-Hand Circular Polarization |
|
RCQS |
Roaming Call Quality Sensor |
|
RCR |
Research and Development Center for Radio Systems |
|
RCS |
Real Communication Solution |
|
RCS |
Radio Cluster Server |
|
RCS |
Radar Cross Section |
|
RCT |
remote Control Terminal |
|
RCU |
Remote Control Unit |
|
RCU |
Radio Control Unit |
|
RCV |
Receive |
|
RCV |
ReCharge Voucher |
|
RCVS |
Recharge Card Voucher System |
|
RD |
Receive Delay |
|
RDBMS |
Relational Data Base Management System (Oracle) |
|
RDBMS |
Relational Database Management System |
|
RDD |
Random Digit Dialing |
|
RDF |
Remote Distribution Frame |
|
RDF |
Radio Direction Finder |
|
RDF |
Resource Description Framework |
|
RDI |
Remote Defect Indicator (UNI Fault Management) |
|
RDI-L |
Remote Defect Indicator - Loop |
|
RDI-P |
Remote Defect Indicator - Path |
|
RDI-V |
Remote Defect Indicator - Virtual |
|
RDMA |
Remote Direct Memory Access |
|
RDN |
Relative Distinguishing Name |
|
RDP |
Radar Data Processing |
|
RDS |
Rate Determining Step |
|
RDSS |
Radio Determination Satellite Service |
|
RDT |
Remote Digital Terminal |
|
RDT |
Recall Dial Tone |
|
RDTD |
Restricted Differential Time Delay |
|
RDY |
Ready |
|
RDY/BSY |
Ready/Busy |
|
REA |
Rural Electrification Administration (US) |
|
RECON |
Reconnaissance |
|
REG |
range extender with gain |
|
REGEN |
Regenerator |
|
REN |
Ringer Equivalence Number |
|
REPT |
Report |
|
RES |
Resident |
|
RF |
Radio Frequency |
|
RFA |
Recurrent Fault Analysis |
|
RFC |
Request For Comment |
|
RFD |
Request For Discussion |
|
RFH |
Remote Frame Handler |
|
RFI |
Request For Information. Sales department shorthand. Special priority when use in conjunction with RFN (see below). |
|
RFI |
Remote File Inquiry |
|
RFI |
Radio Frequency Interference |
|
RFIDAI |
Radio Frequency IDentification Association of India |
|
RFO |
Reason For Outage |
|
RFP |
Request For Proposal |
|
RFQ |
Request For Quotation |
|
RFR |
Radio Frequency Radiation |
|
RFS |
Resource Facing Service |
|
RFS |
Request For Service |
|
RGC |
Resource-Guaranteed Connection |
|
RGN |
Region |
|
RH |
Relative Humidity |
|
RHE |
Regional Head-End |
|
RI |
Receiver Induced |
|
RI |
Ring In |
|
RI |
Ring Indicate |
|
RI |
Ring Interface |
|
RIC |
Radiocommunications Information Circular |
|
RICK |
Repeater Interface Communications Kit |
|
RID |
Routing Identifier |
|
RII |
Routing Information Indicator bit |
|
RIM |
Remote Integrated Mulitplexor |
|
RINO |
Roaming International Network Operator |
|
RIP |
Routing Information Protocol |
|
RIPE NCC |
Reseaux IP Europeens Network Coordination Centre |
|
RISC |
Reduced Instruction Set Computing |
|
RITS |
Residential Information Technology Services |
|
RJ-11 |
Registered Jack type 11 (4-wire connector) |
|
RJ-14 |
Registered Jack type 14 (2-wire connector) |
|
RJ-25 |
Registered Jack type 25 (6-wire connector) |
|
RJE |
Remote Job Entry |
|
RKB |
Ring Knowledge Base |
|
RLA |
Received Level Average |
|
RLC |
Reverse Link Channel |
|
RLC |
Radio Link Control |
|
RLCI |
Receive Line Clock Input |
|
RLDI |
Receive Line Data Input |
|
RLF |
Remote Line Failure |
|
RLS |
Recursive Least Squares |
|
RLU |
Remote Line Unit |
|
RM |
Regional Manager |
|
RM |
Resource Management |
|
RM-ODP |
Reference Model for Open Distributed Processing |
|
RMI |
Remote Method Invocation |
|
RMON |
Remote Monitoring |
|
rms |
root mean square (preferred over "RMS") |
|
RMS |
Resource Management System |
|
RNC |
Radio Network Controller |
|
RNR |
Receive Not Ready |
|
RNW |
Radio NetWork |
|
RNX |
Restricted Numeric eXchange |
|
RO |
Recieve Only |
|
ROC |
Receiver Operating Characteristic |
|
ROF |
Reformat on the Fly |
|
ROFL |
Rolling on the floor laughing |
|
ROH |
Receiver Off-Hook |
|
ROI |
Return on Investment |
|
ROI |
Return On Information |
|
ROM |
Read-Only Memory |
|
ROPP |
Receiver Only Packet Pair |
|
ROS |
Return on Sales |
|
ROS |
Remote Operations Service |
|
ROSAT |
Roentgen Satellite |
|
ROSE |
Remote Operations Service Element |
|
ROTFL |
Roll On The Floor Laughing |
|
ROW |
Rest Of World |
|
RP |
Reference Point |
|
RP |
Radio Port |
|
RPC |
Remote Procedure Call |
|
RPCU |
Radio Port Control Unit |
|
RPE-LPC |
Regular Pulse Excited - Linear Predictive Coder |
|
RPE-LTP |
Regular Pulse Excited - Long Term Prediction |
|
RPI |
Retail Price Index |
|
RPM |
Resale Price Maintenance. The UK Net Book Agreement, as was. Means by which retail prices are controlled by primary suppliers. (Alternatively, Revolutions Per Minute, as in engine speed and 78, 33 and 45 records. In years to come how many people will know |
|
RPM |
Revolutions Per Minute, (Rotations Per Minute) |
|
RPS |
Reference Picture Selection |
|
RPS |
Really Poor Service |
|
RPT |
Reply Paid Telegram |
|
RPV |
Resource Property Value |
|
RPV |
Remotely Piloted Vehicle |
|
RQMT |
Requirement |
|
RQMTS |
Requirements |
|
RR |
Receiver Ready |
|
RRC |
Root Raised-Cosine |
|
RRJ |
Registration Reject |
|
RRN |
Routing Recording Number |
|
RRO |
Regulated Rate Option |
|
RS |
Receive Signature |
|
RS-422 |
Recommended Standard 422 (ANSI/EIA standard for transmitting serial data) |
|
RSI |
Record Status Indicator |
|
RSI |
Repetative Strain Injury |
|
RSL |
Restricted Service License |
|
RSL |
Request and Status Links |
|
RSL |
Remote Serial Link |
|
RSN |
Readable Serial Number |
|
RSN |
Regional Service Network |
|
RSN |
Real Soon Now [which may be a long time coming] |
|
RSRQ |
Reference Signal Received Quality |
|
RSS |
Remote Switching Sites |
|
RSS |
Really Simple Syndication |
|
RSS |
Received Signal Strength |
|
RSS |
Radio Service Software (Motorola) |
|
rss |
root-sum-square |
|
RSS |
Remote Switching System |
|
RSU |
Required Service Utilization |
|
RSU |
Remote Switching Unit |
|
RSVD |
Reserved |
|
RSVP |
Resource Reservation Protocol (Internet) |
|
RT |
Refuse Transmission |
|
RT |
Remote Terminal |
|
RT |
Response Time |
|
RT |
Radiotelephone |
|
RTA |
Rapid Thermal Annealing |
|
RTAP |
Real-Time Application Platform |
|
RTB |
Remote Telephone Bell |
|
RTB |
Retransmission Buffer |
|
RTC |
Real-Time Control |
|
RTC |
Right to Carry |
|
RTDC |
Regional Telecommunication Development Conference |
|
RTDF |
Rural Telecomunication Development Fund |
|
RTE |
Run-Time Environment |
|
RTFM |
Read The Friendly Manual |
|
RTN |
Regional Telecommunication Network |
|
RTNR |
Real-Time Network Routing |
|
RTNZ |
Rate for Transmission service for a Non-Zone load |
|
RTP |
Research Triangle Park |
|
RTPB |
Residential consumer Third Party Billing |
|
RTRP |
Regional Telecommunications Restructuring Project |
|
RTS |
Request To Send |
|
RTS |
Real-Time Simulator |
|
RTSE |
Remote Transfer Service Element |
|
RTT |
Roof Top Tower |
|
RTU |
Remote Test Unit |
|
RTU |
Right to Use |
|
RTU |
Remote Terminal Unit |
|
RTX |
Real Telephone eXchange |
|
RTZ |
Rate for Transmission service for a Zone load |
|
RU |
Are You? |
|
RU |
Release Unit |
|
RU |
Remote Unit |
|
RUIM |
Removable User Identification Module |
|
RWF |
Roaming Wireless Framework |
|
RWI |
Real Wireless Intelligence |
|
RWIN |
Receive Window |
|
RWL |
RF (Radio Frequency) / Wireless Laboratory |
|
RWN |
Regional Wireless Networks |
|
RWR |
Radar Warning Receiver |
|
RWT |
Receiver Wait Time |
|
Rx |
Receive |
|
RX |
Receiver |
|
RXD |
Receive Data |
|
RXP |
Roaming Exchange Protocol |
|
Rxqual |
Received Signal Quality |
|
RYC |
Returned Your Call |
|
RYP |
Romanian Yellow Pages |
|
RYP |
Russian Yellow Pages |
|
RZ |
Return to Zero |
|
RZ |
Receive ZModem |
|
S |
Subscriber |
|
S x S |
Step-by-Step |
|
S&F |
Store & Forward |
|
S-BCCH |
Short Message Service Broadcast Control Channel |
|
S-HTTP |
Service Hypertext Transport Protocol |
|
S/D |
Source/Drain |
|
S/N |
Signal-to-Noise ratio |
|
SA |
Selective Availability (on GPS transmissions) |
|
SA |
Scientific American |
|
SA |
Source Address |
|
sa |
Service Analysis |
|
SAA |
Systems Application Architecture |
|
SAA |
Service Adaptive Access |
|
SABGW |
System Architecture Evolution Gateway |
|
SAC |
Syntax-based Arithmetic Coding |
|
SACS |
Security Access Control System |
|
SAE |
Society of Automotive Engineers |
|
SAF |
System Access Fee |
|
SAG |
Subscription Assignment Group |
|
SAI |
Serving Area Interface |
|
SAIC |
Science Applications International Corporation |
|
SAM |
Service Access Multiplexer |
|
SAM |
System Administration Manager |
|
SAM |
Sme Access For Mobile |
|
SAMA |
Spread Aloha Multiple Access |
|
SAMI |
Structured Adjustment & Maintenance Interface |
|
SAMS |
Service Agreement Management System |
|
SAN |
Storage Area Network |
|
SAN |
System Area Network |
|
SAP |
Service Advertising Protocol |
|
SAPI |
Service Access Point Identifier |
|
SAR |
Search And Rescue |
|
SAR |
Specific Absorption Rate |
|
SAR |
synthetic aperture radar (satellite) |
|
SAR |
Segmentation and Reassembly (ATM) |
|
SAR-PDU |
Segmentation And Reassembly Protocol Data Unit |
|
SARS |
Service Assistance Referral System |
|
SARTS |
Switched Access Remote Test System |
|
SAS |
Special Access Surcharge |
|
SAS |
Statistical Analysis System |
|
SASL |
Simple Authentication and Security Layer |
|
SAT |
Satellite |
|
SATAN |
Security Administrator Tool for Analyzing Networks |
|
SATRA |
A Saudi Arabian Telecommunications Regulatory Authority |
|
SB |
Service Billing |
|
SB |
Switchboard |
|
SBC |
Session Border Controller |
|
SBC |
Southwestern Bell Corporation |
|
SBU |
Strategic Business Units |
|
SBX |
Small Business Exchange |
|
SC |
Switching Center |
|
SC |
Supervisory Center |
|
SC |
Standards Committee |
|
SCADA |
Supervisory Control And Data Aquisition |
|
SCAT |
Single Channel Autonomous Trunking |
|
SCAYNP |
Someone Calls And You No Pay |
|
SCC |
Signal Conversion Circuit |
|
SCC |
Service Connection Charges |
|
SCC |
Switching Control Center |
|
SCC |
SuperComputer Center |
|
SCC |
Specialized Common Carrier |
|
SCC |
System Control Center |
|
SCC |
Standards Council of Canada |
|
sccp |
Signaling Connection Control Point |
|
SCCP |
Signalling Connection Control Part |
|
SCCS |
Switching Control Center System |
|
SCD |
Strong Commit Dependency |
|
SCE |
Service Creation Environment |
|
SCH |
Synchronization Channel |
|
SCM |
Single-Carrier Modulation |
|
SCM |
Supply Chain Management |
|
SCM |
Selected Communications Mode |
|
SCM |
Service Class Mark |
|
SCMG |
SCCP Management |
|
SCN |
Switched Circuit Network |
|
SCO |
Synchronous Connection Oriented |
|
SCORM |
Shareable Content Object Reference Model |
|
SCP |
Service Control Point |
|
SCP |
Service Commitment Period |
|
SCPC |
single channel per carrier |
|
SCPI |
Standard Commands for Programmable Instituteuments |
|
SCR |
Sustainable Cell Rate |
|
SCR |
System Change Request |
|
SCRB |
SBC (Single Board Computer) Control and Reset Box |
|
scrc |
SCCP Routing Control |
|
SCRG |
Servicing Carrier Reference Guide |
|
SCS |
Signal Collection System |
|
SCSA |
Standard Consolidated Statistical Area |
|
SCSI |
Small Computer System Interface |
|
SCTP |
Stream Control Transmission Protocol |
|
SCU |
System Control Unit |
|
SCU |
Service Creation Unit |
|
SD |
Standard Deviation |
|
SD |
Software Development |
|
SD |
Speed Dial |
|
SD |
Signal distribution |
|
SD |
Software Distributor |
|
SDB |
Switched Digital Broadcast |
|
SDCCH |
Standalone Dedicated Control Channel |
|
SDD |
Software Design Document |
|
SDH |
Synchronous Digital Hierarchy (ATM) |
|
SDHLR |
Super-Distributed Home Location Register |
|
SDK |
Software Development Kit (Microsoft) |
|
SDK |
Service Development Kit |
|
SDLC |
Synchronous Data Link Control |
|
SDLC |
Systems Development Life Cycle |
|
SDM |
Service Delivery Management |
|
SDMA |
Space Division Multiple Access |
|
SDN |
Software-Defined Network |
|
SDN |
Software Defined Network |
|
SDNB |
Secondary DN Call Blocking |
|
SDNS |
Secure Data Network System |
|
SDP |
Service Definition and Provisioning |
|
SDP |
Session Description Protocol |
|
SDP |
Software Development Process |
|
SDP |
Software Development Plan |
|
SDR |
Special Drawing Rights |
|
sdsl |
Symmetrical Digital Subscriber Line |
|
SDSL |
Symmetric Digital Subscriber Line |
|
SDTA |
South Dakota Telecommunications Association |
|
SDU |
Signal Distribution Unit |
|
SE |
Southeast Euro |
|
SE |
Status Enquiry |
|
SE |
Southeast |
|
SEC |
Software Engineering Center |
|
see |
Software Engineering Environments |
|
SEFL |
Single-Ended Fault Locating |
|
SEI |
Software Engineering Institute |
|
SEM |
Sionscanning Electron Microscopy |
|
sem |
Scanning Electron Microscopes |
|
SEM |
Space Environment Monitor |
|
SES |
Scientific and Engineering Software |
|
SETI |
Search for Extraterrestrial Intelligence |
|
SF |
Superframe |
|
SF |
Single Frequency |
|
SFN |
Single Frequency Network |
|
SFS |
Start of Frame Sequence |
|
SFX |
Special Effects |
|
SG |
Signaling Gateway (IETF) |
|
SG |
Supergroup |
|
SGCP |
Simple Gateway Control Protocol |
|
SGML |
Standard Generalized Markup Language |
|
SGS |
Software Generation System |
|
SGSN |
Serving GPRS (General Packet Radio Service) Support Node |
|
SGW |
Server GateWay |
|
SH |
Shell |
|
SHA |
Secure Hash Algorithm |
|
SHD |
Smart Handheld Device |
|
SHF |
Super High Frequency |
|
SHIT |
Single-Hop Infrastructure Transmission |
|
SHM |
Short-Haul Modem |
|
Shn |
Self-Healing Network |
|
shoe |
Simple Hypertext Ontology Extensions |
|
SHR |
Self-Healing Ring |
|
SI |
Service Indication |
|
SIA |
Securities Industry Association |
|
SIC |
Standard Industrial Classification (Code) |
|
SIF |
Signaling Information Fields |
|
SIG |
Special Interest Group |
|
SIGTRAN |
Signaling Transport |
|
SIL |
Speech Interference Level |
|
SIL |
Solid Immersion Lens |
|
SIL |
Silence |
|
SILO |
Signal Intercept from Low Orbit |
|
SIM |
Subscriber Identification Module |
|
SIM |
Subscriber Identity Module |
|
SIMT |
Système interbancaire marocain de télécompensation |
|
SINAD |
SIgnal-to-(Noise And Distortion) ratio |
|
SINAP |
Signalling and Intelligent Network Applications Platform |
|
SINS |
Ship’s Inertial Navigation System |
|
SIO |
Subscribers In Operation |
|
SIO |
Service Information Octet |
|
SIP |
Session Initiation Protocol |
|
SIP |
Service Interface Point |
|
SISIR |
Singapore Institute of Standards and Industrial Research |
|
SIT |
Special Information Tone |
|
SIT |
Static Induction Transistor |
|
SITA |
Société Internationale de Télécommunications Aéronautiques |
|
SIU |
Subscriber Interface Unit |
|
SJR |
Signal-to-Jamming Ratio |
|
SKT |
Sun Kyung Telecom |
|
sku |
Stockkeeping Unit |
|
SL |
Single Line |
|
SLA |
Service Level Agreement |
|
SLAM |
Scanning Laser Acoustic Microscope |
|
SLBM |
Submarine-launched ballistic missile |
|
SLC |
Subscriber Loop Carrier |
|
SLC |
Subscriber Line Concentrator |
|
SLC |
Service Level Contract |
|
SLF |
Super Low Frequency |
|
SLIC |
Subscriber Line Interface Circuit |
|
SLIC |
Subscriber Loop Interface Circuit |
|
SLICE |
Selective Line Insertion Communication Equipment |
|
SLIM |
Service Level Improvement Method |
|
SLIP |
Serial Line Internet Protocol |
|
SLIP |
Serial Line Interface Protocol |
|
SLLR |
Single Line Loud Ringer |
|
SLM |
Signal Leakage Meter |
|
SLM |
Signal Line Measurement |
|
SLM |
Subscriber Loop Multiplex |
|
SLP |
Service Location Protocol |
|
Sls |
Sidelobe Suppression |
|
SLT |
Signaling Link Termination |
|
SLTE |
Signaling Link Termination Equipment |
|
SLTS |
Sri Lanka Telecom Services |
|
SLV |
Satellite-Launch Vehicle |
|
SM |
Senior Member |
|
SM |
Spectrum Management |
|
SM |
Service Module |
|
SM |
Statistical Multiplexing |
|
SM OFC |
Single-Mode Optical Fiber Cable |
|
SM-SC |
Short Message Service Center |
|
Smas |
Service Management System |
|
SMASE |
Systems Management Application Service Element |
|
SMB |
Server Message Block |
|
SMC |
Switch Management Center |
|
SMDF |
Subscriber Maintenance Distributing Frame |
|
SMDR |
station message detail recording |
|
SMDS |
Switched Multi-megabit Data Service |
|
SMDs |
Switched Multimegabit Data Service (ATM) |
|
SMDs |
Satellite Multimedia Delivery System |
|
SME |
Subject Matter Expert |
|
SMG |
Super Master Group |
|
SMI |
Structure of Management Information |
|
SMI |
Subsystem Multiplicity Indicator |
|
SML |
Service Management Layer |
|
SML/SMS |
Service Management Layer/Service Management Service |
|
SMLC |
Serving Mobile Location Center |
|
SMMR |
Scanning Multichannel Microwave Radiometer |
|
SMPTE |
Society of Motion Picture and Television Engineers, Inc. |
|
SMR |
Specialized Mobile Radio |
|
SMRP |
Simple Multicast Routing Protocol |
|
SMS |
Short Message Service |
|
SMS |
Server Malloc (Memory ALLOCation) System |
|
SMS |
Service Management System |
|
SMS |
System Management Server |
|
SMSC |
Short Message Service Center |
|
smsl |
Standard Multimedia Scripting Language |
|
SMT |
Secure Mobile Transfer |
|
SMT |
station management (protocol) |
|
SMTP |
Simple Mail Transfer Protocol |
|
SMU |
Service Management Unit |
|
SN |
Switching Network |
|
SN |
Stock Number |
|
SN |
Station Number |
|
SN |
Service Number |
|
SNA |
System Network Architecture |
|
SNA |
Systems Network Architecture |
|
snap |
Subnetwork Access Point |
|
SNAP |
Sub-Network Access Protocol |
|
SNECS |
Single National Emergency Call System |
|
SNI |
Subscriber Network Interface |
|
SNI |
Subscriber-Network Interface |
|
SNI |
Service Node Interface |
|
SNIX |
Single Noise Interference Xterminator |
|
SNMP |
Simple Network Management Protocol (ATM) |
|
SNR |
Signal-to-Noise Ratio |
|
SO |
Serving Office |
|
SOA |
Service Order Administration |
|
SOAP |
Simple Object Access Protocol |
|
SOGA |
Share of Gross Adds |
|
SOH |
Section Overhead |
|
SOHO |
Small Office Home Office |
|
SOHO |
SOlar and Heliospheric Observatory |
|
SONET |
Synchronous Optical Network |
|
SOR |
Statement of Requirements |
|
SOS |
Save Our Souls (Help!) |
|
SOW |
Statement Of Work |
|
sp |
Single Purpose |
|
SP |
Service Provider |
|
SPA |
Software Publishers Association |
|
SPA |
Special Prorate Agreement |
|
SPA |
Service Planning Area |
|
SPADATS |
Space Detection And Tracking System |
|
SPC |
Statistical Process Control. Forerunning quality theory from the 1960s to TQC and TQM. |
|
SPC |
Stored Program Control |
|
SPC |
Service Provider Code |
|
SPCS |
Stored Program Control Switch |
|
SPCS |
Stored Program Control System |
|
SPD |
Serial Presence Detect |
|
SPE |
Synchronous Payload Envelope |
|
SPF |
Summertime Phone Functionality |
|
SPGA |
Staggered Pin Grid Array |
|
SPH |
Samsung PHone |
|
SPI |
Service Provider Interface |
|
SPI |
Security Parameters Index |
|
SPID |
Service Profile Identifier |
|
SPIN |
Service Provider Identification Number |
|
SPM |
Scanning Probe Microscope |
|
SPN |
Service Panel Number |
|
SPNI |
Service Provider Network Identifier |
|
spT |
System Page Table |
|
SPTC |
Swaziland Post and Telecommunications Corporation |
|
SPU |
Service Publication Unit |
|
SPV |
Sound, Picture, Voice |
|
SPX |
Sequenced Packet Exchange |
|
SQ |
Service Quality |
|
SQA |
Software Quality Assurance |
|
SQE |
Signal Quality Error |
|
SQL |
Specified Quality Level |
|
SQL |
Structured Query Language |
|
SQM |
Signal Quality Manager |
|
SQR |
Signal to Quantizing noise Ratio |
|
SR |
Subscriber Ready |
|
SR |
Slow Release |
|
SR |
Scanning Radiometer |
|
SR |
Service Request |
|
SRA |
Seamless Rate Adaptation |
|
SRAM |
Static Random Access Memory (ess-ram) |
|
SRB |
Software Release Bulletin |
|
SRD |
Short Range Devices |
|
SRL |
Singing Return Loss |
|
SRM |
Short-Range Modem |
|
SRM |
Scalable Reliable Multicast |
|
SRP |
Specialized Resource Point |
|
SRP |
Spatial Reuse Protocol |
|
SRR |
Search and Rescue Region |
|
SRS |
Supported Residential Services |
|
srs |
Software Requirements Specifications |
|
SRTS |
Synchronous Residual Time Stamp |
|
SRU |
Search and Rescue Unit |
|
SRU |
Single Receiver Unit |
|
SRVT |
SCCP Routing Verification Test |
|
SS |
Switching System |
|
ss |
Single Step |
|
SS#7 |
Signaling System # 7 |
|
SS1 |
Signalling System 1 (500/20 Hz tones) |
|
SS2 |
Signalling System 2 (600/750 Hz tones) |
|
SS3 |
Signalling System 3 (2280 Hz tone) |
|
SS4 |
Signalling System 4 (2040/2400 Hz tones) |
|
SS5 |
Signalling System 5 (2400/2600 Hz tones) |
|
SS6 |
Signalling System 6 |
|
SS7 |
Signalling System 7 |
|
SS7 |
Signaling System 7 |
|
SSAP |
Source Service Access Point |
|
SSC |
Service Shortcut Changer |
|
SSCOP |
Service Specific Connection Oriented Protocol (ATM) |
|
SSCP |
System Services Control Point |
|
SSD |
Source-surface Distance |
|
SSG |
Signalling Server Global |
|
SSL |
Secure Socket Layer |
|
SSM |
Source-Specific Multicast |
|
SSM |
Synchronization Status Message |
|
SSM |
Spread Spectrum Modulation |
|
SSMA |
Spread-Spectrum Multiple Access |
|
SSN |
Switched Service Network |
|
SSP |
Security Service Provider |
|
Ssp |
Secure Service Provider |
|
SSP |
Service Switching Point |
|
SSRC |
Synchronization Source |
|
SSS |
Switching Subsystem |
|
SSS |
Self-Synchronous Scrambling |
|
sss |
Subscriber Switching Subsystem |
|
SSS |
System/segment Specification |
|
SSTC |
Subsystem Status Test Control |
|
SSU |
Stratospheric Sounding Unit (TOVS) |
|
SSU |
Synchronization Supply Unit |
|
ST |
Such That |
|
sta |
State |
|
STA |
State Transport Authority |
|
STA |
Science and Technology Agency (Japan) |
|
STAN |
Supply of Telstra Account Number |
|
STARS |
Software Technology For Adaptable, Reliable Systems |
|
STC |
Signaling Transport Converter |
|
STD |
Standard Deviation |
|
STD |
Secondary Telecom District |
|
STD |
Subscriber Trunk Dialing |
|
STDM |
Statistical Time Division Multiplexer |
|
STDM |
Statistical Time Division Multiplexing |
|
STE |
Software Test Environment |
|
STE |
Syrian Telecommunications Establishment |
|
STE |
Signaling Terminal Equipment |
|
STE |
Section Terminating Equipment |
|
STEREO |
Solar Terrestrial Relations Observatory |
|
STI |
Speech Transmission Index |
|
STK |
Satellite Tool Kit |
|
STM |
Scanning Tunneling Microscopy |
|
STM |
Short Term Memory |
|
STM |
Synchronous Transfer Mode |
|
STMB |
Space-Time Multiple Beam |
|
STMR |
Sidetone Masking Rating (telecommunications) |
|
STN |
Station Terrienne de Navire |
|
STN |
Station Terrestre de Navire |
|
STN |
Stansted Airport railway station |
|
STN |
Station Casinos, Inc. |
|
STN |
Satellite Telecommunications Networks |
|
STN |
Station |
|
STP |
Shielded Twisted-Pair |
|
stp |
Shielded Twisted Pairs |
|
STP |
Signal Transfer Point |
|
STP |
standard temperature and pressure (0° and 1 atm) |
|
STP |
Spanning Tree Protocol |
|
STPI |
Stentor Telecom Policy, Inc. |
|
STR |
Synchronous Transmitter/Reciever |
|
STS |
Synchronous Transfer Signal |
|
STS |
Space Transportation System |
|
STS |
Small Telephone System |
|
STU |
Signal Transmission Unit |
|
STU |
Secure Telephone Unit |
|
STUN |
Simple Traversal of UDP (User Datagram Protocol) through NAT (Network Address Translation) |
|
STV |
Subscription Television |
|
STX |
Start of Transmission |
|
SU |
super-user |
|
SU |
Service Unlimited |
|
SUBT |
Subscriber Terminal |
|
SUF |
Service Update Facility |
|
SUS |
Suspension |
|
SVC |
Signaling Virtual Channel |
|
SVC |
Switched Virtual Circuit (ATM) |
|
SVC |
Switched Virtual Connection |
|
SVC |
Single Voice Coil |
|
SVC |
Scalable Video Coding |
|
SVD |
Simultaneous Voice and Data Processor |
|
SVD |
Singular Value Decomposition |
|
SVGA |
Super VGA |
|
SVI |
Service Interception |
|
SVP |
Senior Vice President |
|
SVW |
Sioux Valley Wireless |
|
SW |
South West |
|
SWAG |
Scientific Wild Ass Guess |
|
SWAN |
Structured Wireless Aware Network |
|
SWANSAT |
Super-Wide Area Network SATellite |
|
SWAP |
Shared Wireless Access Protocol |
|
SWAT |
Sit, Wait, and Talk |
|
SWBD |
Switchboard |
|
SWF |
SWitched Fractional |
|
SWF-DS1 |
SWitched Fractional Digital Signal 1 line |
|
SWIFT |
Society Of Worldwide Interbank Financial Telecommunications |
|
SWN |
Statewide Wireless Network |
|
SWNI |
Smart Wireless Network Interface |
|
SX |
Simplex (one-way) |
|
SXS |
Step-By-Step |
|
SYM |
Symmetric |
|
SYN |
Synchronous |
|
Sync |
Synchronization |
|
SYNC |
Synchronous |
|
SYNTRAN |
Synchronous Transmission |
|
SYSADM |
System Administrator |
|
SZ |
Seizure |
|
T |
Temperature |
|
t |
Tipper |
|
T |
Tip |
|
T |
Telecom |
|
T&C |
Terms & Conditions |
|
T&R |
Tip and Ring |
|
T-Carrier |
Trunk Carrier |
|
T-IC |
T-interConnect |
|
T1 |
Transmission service at the DS1 rate of 1.544 Mbps |
|
T1 |
1,544 Mbits per Second line |
|
T2R |
Trusted Transaction Roaming |
|
T3 |
44.736 Mbits per Second line |
|
T3 |
Transmission service at the DS3 rate of 44.736 Mbps |
|
ta |
Terminal Adapter (ATM) |
|
TAAC |
Telecommunications Access Advisory Committee |
|
TAB |
Tape Automated Bonding |
|
TAC |
Terminal Access Circuit |
|
TAC |
Technical Assistance Center |
|
TACACS |
Terminal Access Controller Access Control System |
|
TACS |
Telephone Access Customer Satisfaction |
|
TACS |
Total Access Cellular System |
|
TACS |
Total Access Communications Systems |
|
TACSAT |
Tactical Satellite |
|
TACSIM |
Tactical Simulation (Simulator) |
|
TAD |
Telephone Answering Device |
|
TADS |
Target Acquisition Designation Sight |
|
TAE |
Terminal Adapter Equipment |
|
TAG |
Technical Advisory Group for Biological Control Agents of Weeds |
|
TAM |
Telephone Answering Machine |
|
TAMS |
Telecom Analysis and Management System |
|
TANE |
Telephone Association of New England |
|
TAP |
Test Access Path |
|
TAP |
Telocator Alphanumeric Paging |
|
TAP |
Telecommunity Appalachian Project |
|
TAPI |
Telephony Application Programming Interface |
|
TAPS |
TELEPHONE APPLICATION PROCESSING SYSTEM |
|
TARP |
Target Identifier Address Resolution Protocol |
|
TASI |
Time Assigned Speech Interpolation |
|
tau |
Test Access Unit |
|
TAX |
Trunk Automatic Exchange |
|
TB |
Terabyte |
|
TBCD |
Telephony Binary Coded Decimal |
|
TBD |
To Be Determined |
|
TBD |
To Be Decided |
|
TBF |
Telephone Band Filtering |
|
TBI |
Telecom Brokerage Inc |
|
Tbps |
terabit per second |
|
Tbps |
Terabits Per Second |
|
TBQ |
Telecommunications Billing Question |
|
TBR |
Tagged Bit Rate |
|
TBRL |
Terminal Balance Return Loss |
|
TBS |
Telephone Billing Service |
|
TC |
Technical Committee (HL7) |
|
TC |
Transmission Convergence (ATM) |
|
TC |
Telephone Call |
|
TC |
Terminating Channel |
|
TCA |
Telecom Computing Architecture |
|
TCA |
Threshold Crossing Alert |
|
TCAM |
Telecommunications Access Method |
|
TCAP |
Transaction Capabilities Application Part |
|
TCB |
Trusted Computing Base |
|
TCB |
Telecommunication Certification Body |
|
TCBH |
Time Consistency Busy Hours |
|
TCC |
Transmission Control Code |
|
TCCL |
Terminating Carrier Command Line |
|
TCCMS |
Telecom Consumer Complaints Monitoring System (India) |
|
TCIC |
Trunk Circuit Identification Code |
|
TCIYP |
Turks and Caicos Islands Yellow Pages |
|
TCL |
Transverse Conversion Loss |
|
TCM |
Tandem Connection Maintenance |
|
TCM |
Trellis-Coded Modulation |
|
TCM |
Time Compression Multiplexer |
|
TCMS |
Trunked Code Management System |
|
TCO |
Total Cost of Ownership |
|
TCO |
Total Connection Operation |
|
TCP |
Transmission Control Protocol |
|
TCP |
Telephone Connecting Program |
|
TCP/IP |
transmission control protocol/internet protocol |
|
TCP/IP |
Transmission Control/Internet Protocol |
|
TCPA |
Telephone Consumer Protection Act |
|
TCR |
Temperature Coefficient of Resistance |
|
TCS |
Telephony Control Specification |
|
TCSEC |
Trusted Computer System Evaluation Criteria |
|
TCT |
Tin Can Technology |
|
TD |
Transmit Data |
|
TD-CDMA |
Time Division - Code Division Multiple Access |
|
TD-SCDMA |
Time-division Synchronous Code-division Multiple Access |
|
TDB |
Technology Development Board |
|
TDD |
Time Division Duplex |
|
TDD |
Telecommunications Device for the Deaf |
|
TDM |
Time Division Multiplexer |
|
TDM |
Time Division Multiplexing |
|
TDMA |
Time Division Multiple Access |
|
TDOA |
Time Difference Of Arrival |
|
TDP |
Tag Distribution Protocol |
|
TDR |
Time-Domain Reflectometry |
|
TDR |
Time Domain Reflectometer |
|
TDR |
Transaction Data Reports |
|
tdrs |
Tracking and Data Relay Satellites |
|
TDRSS |
Tracking and Data Relay Satellite System |
|
TDSA |
TELCO (TELephone COmpany) Distribution Support Architecture |
|
TDU |
T1 Distribution Unit |
|
TDWR |
Terminal Doppler Weather Radar |
|
TE |
Test Equipment |
|
TE |
Traffic Engineering |
|
TE |
Terminal Equipment |
|
te |
Thermoelectric |
|
TEC |
Total Electron Content |
|
TED |
Triteal Enterprise Desktop |
|
TEDP |
Telecommunication Equipment Distribution Program |
|
TEHO |
Tail End Hop Off |
|
TEI |
Terminal Endpoint Identifier |
|
TEL |
Telephone |
|
TEL & TEL |
TELephone and TELegraph |
|
TELCO |
Telecommunications Company |
|
TELCO |
Telecommunication Network for Cooperative Driving |
|
TELECOM |
Telecommunications |
|
TELECOMMUTE |
Telecommuting |
|
TELECOMMUTE |
Telecommuters |
|
TELEX |
TELegraph EXchange |
|
TELEX |
Teleprinter Exchange |
|
Telnet |
Telecommunications Network Protocol |
|
tem |
Telecommunications Expense Management |
|
TEM |
Transmission Electron Microscope |
|
TEM |
Telecom Expense Management |
|
TEMIP |
Telecommunications Management Information Platform |
|
TEO |
Telephone Equipment Order |
|
TES |
Telecom Electric Supply |
|
TESMA |
Telecommunications Equipment and Services Master Agreement |
|
TESP |
Telecommunications Enterprise Strategic Program |
|
TETRA |
Trans-European Trunked RAdio |
|
TFA |
Toll Free Authorization |
|
TFL |
Telecom Fiji Limited |
|
TFO |
Tandem Free Operation |
|
TFTP |
Trivial File Transfer Protocol (ATM) |
|
TG |
Task Group |
|
TGPSI |
Transmission Gap Pattern Sequence Identifier |
|
THAAD |
Theater High Altitude Area Defense |
|
THL |
Trans-Hybrid Loss |
|
THP |
Terminal Handler Process |
|
THT |
Total Handling Time |
|
THX |
Thanks |
|
THZ |
TeraHertz |
|
TI |
Time |
|
TI |
Time Interval |
|
TI |
Time Independent |
|
TI |
Telecom Implementation |
|
TI |
Time Integration |
|
TIA |
Telecommunications Industry Association |
|
TIBS |
Tactical Information Broadcast Service |
|
TIC |
Talking In Confidence |
|
TICS |
Telecommunications And Instructional Computing Support |
|
TIE |
Telephone Interconnect Expansion |
|
TIE |
Telephone Interconnect Equipment |
|
TIF |
Telecommunications Infrastructure Fund |
|
TIFF |
Tag Image File Format |
|
TIM |
Telecom Idea Management |
|
TIMS |
Transmission Impairment Measuring Set |
|
TIMS |
Telephone Information Management System |
|
TIMS |
Transmission Impairment Measurement System |
|
TINA |
Telecommunications Information Networking Architecture |
|
TIP |
Telecommunications Infrastructure Planning |
|
TIRF |
Telecoms Industry Regulatory Forum |
|
TIRKS |
Trunk Integrated Records Keeping System |
|
TISM |
Telecommunication, Information Studies and Media |
|
TJB |
Telephone Junction Box |
|
TJR |
Trunk and Junction Routing |
|
TKIP |
Temporal Key Integrity Protocol |
|
TL |
Telephone Lead |
|
TL1 |
Transaction Language One |
|
TL1 |
Transaction Language 1 |
|
TLC |
Television the Learning Channel |
|
TLC |
Text Link Cellular |
|
TLC |
Transparent Line Control |
|
tlc |
Telecommunication Link Controller |
|
TLC |
The Learning Channel |
|
Tlk |
Talk |
|
TLM |
Trouble Locating Manual |
|
TLP |
Transmission Level Point |
|
TLPU |
Telecommunications Line Protector Unit |
|
TLR |
Traffic Line Remover |
|
TLS |
Transport Layer Security |
|
TLS |
Telephone Line Simulator |
|
TLT |
Test Loop Translator |
|
TLWS |
Trunk and Line Work Station |
|
TLX |
TELEX (TELegraph EXchange) |
|
TM |
Technical Manual |
|
TM |
Thematic Mapper (Landsat) |
|
TMAB |
Telecom Managers Association of Belgium |
|
TMAP |
Technical Management Assistance Programme |
|
TMC |
Timeslot Management Channel |
|
TMD |
Trunk Main Distributing |
|
TME |
Telocator Message Entry |
|
TMF |
Telemanagement Forum |
|
TMF |
Telecommunications Management Forum |
|
TMN |
Telecommunications Management Network |
|
TMO |
Telecommunications Management Officer |
|
TMOD |
Telecommunications and Mission Operations Directorate |
|
TMR |
Trunked Mobile Radio |
|
tmrs |
TRAFFIC MEASUREMENT AND RECORDING SYSTEMS |
|
TMS |
Time Management System |
|
TMS |
Time-Multiplexed Switch |
|
TMSI |
Temporary Mobile Subscriber Identity |
|
TMT |
Technology, Media, and Telecommunications |
|
TMTC |
Telemetry and Telecommand |
|
TN |
Telephone Number |
|
TNI |
Telephone Network Interface |
|
TNMS |
Telecommunications Network Management System |
|
TNS |
Telephone Notification System |
|
TNS |
Time to Next Send |
|
TNS |
Terminating Noncritical Section |
|
TNSTAAFL |
There's No Such Thing As A Free Lunch |
|
TNX |
Thanks |
|
TNYWR |
The Number You Will Receive |
|
TO |
Technical Order |
|
TO |
Telecommunications Operator |
|
TOA |
Time Of Arrival |
|
TOC |
Telecommunications Outdoor Connectors |
|
TOC |
Telecommunication Operations Center |
|
TOH |
Transport Overhead |
|
TOM |
Telecom Operations Map |
|
TOMS |
Total Ozone Mapping Spectrometer (satellite Instrument) |
|
TOMS |
Telecom Operations Management System |
|
TON |
IEEE/ACM Transactions On Networking |
|
TOP |
technical/office protocol |
|
TOP |
Technical Office Protocol |
|
TOPS |
Terahertz to Optical Pulse Source |
|
TOS |
Terms Of Service |
|
TOS |
Temporarily Out of Service |
|
TOS |
Testing Operation System |
|
TOS |
Type Of Service |
|
TOSL |
Telecommunications Ombudsman Service Limited |
|
TOT |
Time Of Transmission |
|
TOU |
Time of use (rate) (electricity) |
|
TOVS |
TIROS Operational Vertical Sounder |
|
TP |
Transition Point |
|
TP |
Telephone Pole |
|
TP |
Typical Provider |
|
TP |
Termination Point |
|
TP |
Transaction Processor |
|
TP-PMD |
Twisted Pair Physical Medium Dependent |
|
TPB |
Talking Phone Book |
|
TPC |
Transmit Power Control |
|
TPC |
The Phone Company |
|
TPDU |
Transport Protocol Data Unit |
|
TPE |
Telephony Platform Engine |
|
TPF |
Transmission Priority Field |
|
TPI |
Tip-Party Identification |
|
TPQ |
Transmission Power Quality |
|
TPS |
Telephone Preference Service |
|
TPS |
Transmission Parameter Signalling |
|
TPSN |
Triple Play Subscriber Network |
|
TPSP |
Third Party Service Provider |
|
TQM |
Total Quality Management |
|
TR |
Temporal Reference |
|
TRAC |
Totally Reconfigurable Analog Circuit |
|
TRAI |
Telecom Regulatory Authority of India |
|
TRAN |
Transient |
|
TRANS |
Transaction |
|
TRANSEC |
Transmission Security |
|
TRCSL |
Telecommunications Regulatory Commission of Sri Lanka |
|
TRD |
Timed Release Disconnect |
|
TRF |
Transmit Reject Filter |
|
TRIG |
Trigger |
|
TRK |
Trunk |
|
Trlr |
Trailer |
|
TRM |
Technical Reference Model |
|
TRMM |
Tropical Rainfall Measuring Mission (US-Japan) |
|
TRNA |
Temporarily Restricted Net Asset |
|
TRS |
Telecommunications Relay Service |
|
trs |
Trunked Radio Systems |
|
TRX |
Tandem Repeater eXchange |
|
TS |
Telecom Server |
|
TS |
Technical Specification |
|
TS |
Tip and Sleeve |
|
TSA |
Terminating Switched Access |
|
TSAP |
Telecommunication Systems Analysis Position |
|
TSAPI |
Telephony Services Application Programming Interface |
|
TSAPI |
Telephony Server Application Programming Interface |
|
TSAR |
Terminating Switched Access Rate |
|
TSAU |
Time Slot Access Unit |
|
TSB |
Telecommunications Systems Bulletin |
|
TSB |
Telecommunications System Bulletin |
|
TSB |
Telecommunication Standardization Bureau |
|
TSC |
Technical Standards Committee |
|
TSC |
Test System Controller |
|
TSD |
Transmission System Development |
|
TSD |
Type Specific Driver |
|
TSDU |
Transport Service Data Unit |
|
TSE |
Toronto Stock Exchange |
|
TSG |
Telephone Security Group |
|
TSG |
Test Signal Generator |
|
TSGR |
Transport System Generic Requirements |
|
TSI |
Telecommunications Services Inc |
|
Tsi |
time-slot interchange |
|
TSIP |
Telecommunications System Installation Plan |
|
tsl |
Transaction Sublayer |
|
TSM |
Transaction State Machine |
|
TSM |
Telecommunications Systems Management |
|
TSMA |
Telecommunications Services Master Agreement |
|
TSO |
Telecommunications Service Order |
|
TSP |
Telecom Service Provider |
|
TSP |
Telecommunications Service Priority |
|
TSPS |
Traffic Service Position System |
|
TSR |
Telecommunications Service Request |
|
TSR |
Telephone Special Range |
|
TSR |
Terabit Switch/Router |
|
TSS |
Telecommunication Standards Sector |
|
TSSI |
Telecom Switched Services Interoperability |
|
TSY |
Telephony Server |
|
TT |
Touch Tone |
|
TT |
Tiny Telephone |
|
TT |
Text-Telephone |
|
TTAC |
Telecommunication Technology Advisory Committee |
|
TTC |
Telemetry Telecommand and Control |
|
TTD |
Temporary Transmit Delay |
|
TTE |
Tallahassee Telephone Exchange |
|
TTE |
Telecommunications Terminal Equipment |
|
TTFG |
Telecommunications Technology Forecasting Group |
|
tTG |
Test Tone Generator |
|
TTGS |
Test Tone Generator Software |
|
TTIL |
Team Telecom International Ltd. |
|
TTK |
Telephone Travel Kit |
|
ttl |
ToS and Time-to-Live |
|
TTP |
Third-Party Provider |
|
TTR |
Touch Tone Required |
|
TTS |
Telephone Traffic Simulator |
|
TTTN |
Tandem Tie Trunk Network |
|
TTX |
TeleTeXt |
|
TTY |
Text Teletype |
|
TTY |
Teletype Telex Machine |
|
TTY |
teletype terminal |
|
TTYL |
Talk To You Later (Internet Slang) |
|
TTYL |
Type To You Later |
|
TU |
Total Usage |
|
TU |
Transmission Unit |
|
TUMS |
Telephone and Utilities Maintenance System |
|
TUP |
Telephone User Part |
|
TUR |
Trunk Utilization Report |
|
TV |
Television |
|
TVL |
Telecoms Virtual Library |
|
TVL |
TELECOM VANUATU LIMITED |
|
TVM |
T1 Voice Module |
|
TVR |
Telephone Voice Response |
|
TVRO |
Television Receive-Only |
|
TW |
TWinbrook (telephone exchange) |
|
TWA |
The Wireless Association (former Cellular Telecommunciations and Internet Association) |
|
TWC |
The Weather Channel(r) |
|
TWL |
Leased Teletypewriter Service |
|
TWSS |
Telecom Web Services Server |
|
TWT |
Traveling Wave Tube |
|
TWT |
Time Warner Telecom |
|
TWX |
Teletypewriter Exchange Service |
|
TWX |
Teletypewriter Exchange (Telex) |
|
TX |
Transmit |
|
TXC |
Transmission Complete |
|
TXD |
Transmit Data |
|
TXE |
Transmitter Empty |
|
TXM |
Transmission X-ray Microscope |
|
TXS |
Telephone eXchange Strowger |
|
UA |
User Agent |
|
UA |
Universal Access |
|
UAC |
Uniform Annual Charge |
|
UAN |
Universal Access Number |
|
UAN |
Universal Area Network |
|
uars |
Upper Atmospheric Research Satellite |
|
UART |
Universal Asynchronous Receiver/Transmitter |
|
UAS |
Unavailable Seconds |
|
UASL |
Unified Access Service License |
|
UAT |
Universal Access Transceiver |
|
UAV |
Unmanned Aerial Vehicle |
|
UAX 14 |
Unit Automatic eXchange type 14 |
|
ubc |
Utility Based Computing |
|
UBI |
Usage Billing Information |
|
UBL |
Universal Bluetooth Link |
|
UBR |
Unspecified Bit Rate |
|
UBT |
Universal Backend Tester |
|
UCA |
Utility Communications Architecture |
|
UCC |
Universal Connectivity Charge |
|
UCD |
Uniform Call Distributor |
|
UCF |
Unregistration Confirm |
|
UCM |
Use Case Map |
|
UCP |
Universal Communications Platform |
|
UCS |
Universityrsal Multiple-Octet Coded Character Set |
|
UCS |
Unified Communication Service |
|
UDC |
Universal Digital Channel |
|
UDLC |
Universal Digital Loop Carrier |
|
UDP |
Up Down Pair |
|
UDP |
User Datagram Protocol (FDDI related) |
|
UDS |
Universal Directory Service |
|
UDT |
Unreliable Data Transfer |
|
UDTX |
Universal Data Transceiver |
|
UG |
User's Group |
|
UGC |
UnderGround Communications |
|
UHF |
Ultra High Frequency (300-3000 MHz; 1m-10cm) |
|
UI |
Unnumbered Information (frame) |
|
UI |
User Interface |
|
UIF |
User Interface Framework |
|
UIH |
Unnumbered Information with Header check |
|
UIQ |
User Interface Quartz |
|
UIT |
Union Internationale des Telecommunications |
|
UIT |
Union Internationale des Télécommunications |
|
Uk |
United Kingdom of Great Britain and Northern Ireland |
|
UKB |
Universal Keyboard |
|
UL |
Uplink |
|
ul |
Upper Layer |
|
ULC |
Universal Line Card |
|
ULF |
Ultra Low Frequency |
|
ULL |
Unbundled Local Loop |
|
ULLS |
Unconditioned Local Loop Service |
|
ULP |
Upper Layer Protocol |
|
ULQ |
User Level Quality |
|
ULSI |
Ultra Large-scale Integration |
|
UMA |
Unlicensed Mobile Access |
|
UMATS |
University of Maryland Academic Telecommunication System |
|
UMC |
Ukrainian Mobile Communications |
|
UML |
Unified Modeling Language (Object Management Group, OMG) |
|
ums |
Universal Messaging System |
|
UMS |
Unified Messaging Service |
|
UMTS |
Unified Mobile Telecommunication System |
|
UMTS |
Universal Mobile Telecom Surfwax |
|
UMTS |
Universal Mobile Telecommunication Services |
|
umts |
Universal Mobile Telecommunication System |
|
UMTS |
Universal Mobile Telecommunications Service |
|
UMTS |
Universal Mobile Telecommunications Standard |
|
un |
United Narions |
|
UNE-P |
Unbundled Network Element - Platform |
|
UNI |
User-Network Interface |
|
UNI |
User Network Interface |
|
UNICODE |
UNIversal trunk - out-of-service CODE |
|
UNL |
Unlisted |
|
UNLD |
UNlimited Long Distance |
|
UNO |
Universal Network Operations |
|
UNP |
UN-Published |
|
UNS |
Universal Numbering System |
|
UOS |
Units of Service |
|
UP |
User Profile |
|
UPC |
Usage Parameter Control |
|
UPC |
Universal Personal Communication |
|
UPCU |
Uplink Power Control Unit |
|
UPMT |
Universal Per-application Mobility management using Tunnels |
|
UPPC |
Up-Path Power Control |
|
UPR |
User Performance Requirement |
|
ups |
Un-interruptable Power Supply |
|
UPS |
Uninterruptible Power Supply |
|
UPS |
Ultraviolet Photoelectron Spectroscopy |
|
UPT |
Universal Personal Telecommunications |
|
ur |
Your |
|
ur |
User Rate |
|
URC |
Utility Reference Customer |
|
URI |
Uniform Resource Identifier |
|
URL |
Universal Resource Locator |
|
URM |
Uniform Redial Model |
|
URN |
Uniform Resource Namespace |
|
URQ |
Unregistration Request |
|
URR |
UHF (Ultra-High Frequency) Radio Receiver |
|
USA |
Underground Service Alert |
|
USB |
Universal Serial Bus |
|
USD |
Universal Service Directive |
|
USD |
United States Dollar |
|
USF |
Universal Server Farm |
|
USF |
Universal Service Fund |
|
USGS |
United States Geological Survey (DOI) |
|
USI |
User System Interface |
|
USITA |
United States Independent Telephone Association |
|
USLD |
United States Long Distance |
|
USOC |
Universal Service Order Code (cable colors) |
|
USPI |
Universal Serial Phone Interface |
|
USPRO |
United States Product Data Association |
|
USRT |
Universal Synchronous Receiver/Transmitter |
|
UTC |
Coordinated Universal Time |
|
UTFX |
Unit Testing Framework - XSLT (Extensible Stylesheet Language Transformation) |
|
UTI |
Union Internationale des Telecommunications |
|
UTL |
Utility |
|
UTL |
United Telecom Limited |
|
UTP |
Universal Transmission Protocol |
|
UTP |
unshielded twisted pair |
|
UTRA |
Universal Terrestrial Radio Access |
|
UTRAN |
UMTS (Universal Mobile Telecommunication System) Terrestrial Radio Access Network |
|
UVG |
Universal Voice Grade |
|
UWT |
United World Telecom |
|
V |
Vector |
|
V |
Variable |
|
VA |
Voice Activity |
|
VAB |
Vehicle Assembly Building |
|
Vac |
Vacant |
|
VAC |
Voice Activity Compression |
|
VAD |
Voice Activity Detection |
|
VADB |
Virtual Auto Dial Backup |
|
VAN |
Value-Added Network |
|
VANS |
Value Added Network Services |
|
VAR |
Value-Added Reseller |
|
VAS |
Value Added Services |
|
VASP |
Value-Added Service Provider |
|
VAT |
Value Added Tax |
|
VAZO |
Violating All-Zero Octet |
|
VB |
Visual Basic |
|
VBA |
Visual BASIC for Applications |
|
VBR |
Variable Bit Rate (ATM) |
|
VC |
Virtual Circuit (ATM) |
|
VC |
Virtual Channel |
|
VC-ATOD |
Virtual Clearinghouse on Alcohol, Tobacco and Other Drugs |
|
VCA |
Voice Connecting Arrangement |
|
VCA |
Voice Communications Adapter |
|
VCC |
Virtual Call Center |
|
VCC |
Voice Call Continuity |
|
VCC |
VSAT (Very-Small-Aperture Terminal) Control Center |
|
VCC |
Virtual Channel Connection (ATM) |
|
VCE |
Voice Clarity Enhancement |
|
VCI |
Virtual Channel Identifier |
|
VCR |
Videocassette Recorder |
|
VCT |
Variable Cam Timing |
|
VDR |
Voice Digitization Rate |
|
VDS |
Variable Depth Sonar |
|
VDS |
Variable Department Sonar |
|
VDSL |
Very high-speed Digital Subscriber Line |
|
VDSL |
VHBR (Very High Bit Rate) Digital Subscriber Line |
|
VDT |
Video Dial Tone |
|
VDV |
Voice/Data/Video |
|
VERT |
Vertical (distribution frame) |
|
VESA |
Video Electronics Standards Association |
|
VF |
Voice Frequency |
|
VF0 |
Voice Fundamental Frequency |
|
VFL |
Visual Fault Locator |
|
VFM |
Voice Frequency Measurement |
|
VFM |
Voice/ Fax Module |
|
VG |
Voice Grade |
|
VGA |
Video Graphics Array |
|
VGC |
Voice Grade Channel |
|
VGCP |
Voice Grade Channel Processor |
|
VGF |
Voice Grade Facility |
|
VHF |
Very High Frequency |
|
VHM |
Voice Health Monitor |
|
VHSIC |
Very High-Speed Integrated Circuit |
|
VIDF |
Vertical Intermediate Distributing Frame |
|
VIEW |
Virtual Interface Environment Workstation |
|
VIL |
Voice Interconnect Link |
|
VINF |
Vista INformation Solution |
|
VIP |
Very Important Person |
|
VIRUS |
Vital Information Resources Under Siege |
|
VIS |
Vodafone International Services |
|
VISSR |
visible and infrared spin scan radiometer (GOES) |
|
VLAN |
Virtual Local Area Network |
|
VLBI |
Very Long Baseline Interferometry |
|
VLDS |
Very Large Data Storage |
|
VLF |
Vertical-Laminar-Flow |
|
VLF |
Very Low Frequency |
|
VLL |
Virtual Leased Line |
|
VLP |
Very Low Power |
|
VLR |
Visitor Location Register |
|
VLSI |
Very-Large-Scale Integration |
|
VLSI |
Very Large-Scale Integration |
|
VM |
Voice Messaging |
|
VM |
Voice Mail |
|
VM |
Virtual Machine |
|
VMAC |
Voice Mobile Attenuation Code |
|
VMB |
Voice Mail Box |
|
VMB |
Voice Message Broadcasting |
|
VMES |
Vehicle-Mounted Earth Station |
|
VMIC |
VME Microsystems International Corporation |
|
VMLA |
Virtual Mobile Location Area |
|
VMO |
Virtual Mobile Operator |
|
VMR |
Video Mail Retrieval |
|
VMS |
Virtual Memory System |
|
VMS |
Virtual Machine System |
|
VMU |
Virgin Mobile USA (mobile phone network) |
|
VMUI |
Voice Mail User Interface |
|
VMW |
Vertically Modulated Well |
|
VMWI |
Voice Message Waiting Indicator |
|
VMY |
Voice Mobility |
|
VN |
Virtual Network |
|
VNL |
Via Net Loss |
|
VNS |
Virtual Network System |
|
VNT |
Very Nice Telephone |
|
VNTR |
Variable Number Tandem Repeats |
|
VO |
Voice Only |
|
VO |
Validation Office |
|
VOA |
Voice Of America |
|
VOB |
Versioned Object Base |
|
VOB |
Voice Over Broadband |
|
VOC |
Volatile Organic Compounds (air pollution) |
|
VOD |
Video On Demand |
|
VODAFONE |
Combined Voice, Data, Telephone: |
|
VOF |
Voice Over Fiber |
|
VOFR |
Voice Over Frame Relay |
|
VOI |
Voice Over Internet |
|
VOIP |
Voice Over IP (Internet Protocol) |
|
VoIPTXT |
Voice over Internet Protocol Text |
|
VOL |
Volume |
|
VON |
Voice Over Network |
|
VOP |
Voice Over Packet |
|
VOX |
Voice Exchange |
|
vox |
Voice Operated Transmission |
|
VP |
Virtual Path (ATM) |
|
VPA |
Valid Peripheral Address |
|
VPC |
Virtual Path Connection (ATM) |
|
VPDN |
Virtual Private Dial-up Network |
|
VPF |
Virtual Private Facility |
|
VPI |
Virtual Path Identifier |
|
VPL |
Virtual Path Link (ATM) |
|
VPLS |
Virtual Private LAN (Local Area Network) Service |
|
VPM |
Voice Private Message |
|
VPN |
Virtual Private Network (ATM) |
|
VPWS |
Virtual Private Wire Service |
|
VPX |
Virtual Path Cross-Connect |
|
VQA |
Voice Quality Analyzer |
|
VQC |
Vector Quantizing Code |
|
VQE |
Voice-Quality Enhancements |
|
VQI |
Voice Quality Improvement |
|
VQL |
Vector Quantizing Level |
|
VQR |
Voice Quality Rating |
|
VQT |
Voice Quality Testing |
|
VQV |
Voice Quality Value |
|
vr |
Variable Rate |
|
VR |
Virtual Reality |
|
VR |
Virtual Router |
|
VRC |
Virtual Redundancy Check |
|
VRML |
Virtual Reality Modeling Language |
|
VRR |
Videoconferencing Reservation Request |
|
VRS |
Video Relay Service |
|
Vrsm |
Voltage, Ringing Signal Modified (inverted) |
|
VRSP |
Video Relay Service Provider |
|
Vrsp |
Voltage, Ringing Signal Positive |
|
VRT |
Voltage Reduction Technology |
|
VSAM |
Virtual Storage Access Method |
|
VSAT |
Very Small Aperture Terminal (satellite service) |
|
VSAT |
Very Small-Aperture Terminal |
|
VSC |
Vertical Service Code |
|
VSM |
Vestigial Sideband Modulation |
|
VSM |
Voice Service Module |
|
VSP |
VoIP Service Partner |
|
VSR |
Viking Single-line loud Ringer |
|
VT |
Vacuum Tube |
|
VT |
Virtual Terminal |
|
VT |
Virtual Tributary signal |
|
vta |
Vermont Telecommunications Authority |
|
VTAC |
Vermont Telecom Advancement Center |
|
VTAC |
Vermont Telecommunications Application Center |
|
VTAM |
Virtual Telecommunication Access Method |
|
VTC |
Video Teleconference |
|
vte |
Virtual Test Environment |
|
VTI |
Vietnam Telecom International |
|
VTIR |
visible and thermal infrared radiometer |
|
vtpm |
Virtual Terminal Protocol Machine |
|
VTQ |
Voice Transmission Quality |
|
VTS |
Vessel Traffic Service |
|
VTS |
Virtual Talk Session |
|
VVD |
Voice and Video Data |
|
VVP |
Versatile Voice Processing |
|
VVX |
Voice and Video eXchange |
|
VWM |
Virtual Wire Manager |
|
VWO |
Virtual Wire Operations |
|
VXML |
Voice eXtensible Markup Language |
|
VYP |
Virtual Yellow Pages |
|
VZBB |
Verizon BroadBand |
|
VZP |
Virtual Zapping Phone |
|
W-CDMA |
Wideband Code-Division Multiple-Access |
|
W-CDMA |
Wideband Code Division Multiple Access |
|
W3C |
World Wide Web Consortium |
|
WAAS |
Wide Area Augmentation System |
|
WACM |
Wide Area Communications Management |
|
WACN |
Wide Area Communications Network |
|
WACN ID |
Wide Area Communications Network IDentifier |
|
WACP |
Wide Area Calling Plan |
|
WACR |
Wide Area Call Reception |
|
WACS |
Wireless Access Communications System |
|
WADS |
Wireless Access Development System |
|
WAE |
Wireless Application Environment |
|
WAFB |
Wireless Absolute Fairness Bound |
|
WAGN |
West Antarctic GPS (Global Positioning System) Network |
|
WAIS |
Wide Area Information Server |
|
WAL |
WATS (Wide Area Telecommunications Service) Access Line |
|
WAN |
Wide Area Network |
|
WAP |
Wireless Application Protocol |
|
WAP |
Wireless Access Provider |
|
WAP |
Web Access Phone |
|
WAPF |
Wireless Application Protocol Forum |
|
WAPI |
Wireless LAN Authentication and Privacy Infrastructure |
|
WAR |
Wireless Access Revolution |
|
WAR |
Weekly Activity Report |
|
WARC |
World Administrative Radio Conference |
|
WARP |
Wireless ATM (Asynchronous Transmission Mode) Research Project |
|
WATS |
Wide Area Telecommunications Service |
|
WAVE |
Wide Area Voice Exchange |
|
WAVE |
Wireless Access in Vehicular Environments |
|
WAVE |
Wireless Audio Visual Email |
|
WAW |
Wide Area Wireless |
|
WAWS |
Washington Area Wideband System |
|
WAYP |
White and Yellow Pages |
|
WB |
Write Back |
|
WB |
Welcome Back |
|
WBA |
Wireless Broadband Access |
|
WBA |
Wireless Business Application |
|
WBBI |
Wireless BroadBand Internet |
|
WBCS |
Wireless Business Communications Systems |
|
WBCT |
Wireless Broadband Communications Technology |
|
WBE |
Wireless Business Engine |
|
WBGK |
Wireless BridGe Kit |
|
WBI |
Wireless Broadband Internet |
|
WBIA |
Wireless Broadband Internet Access |
|
WBMP |
Wireless Bitmap |
|
WBOK |
Wireless Broadband of Oklahoma |
|
WBOX |
Wireless in a Box |
|
WBS |
Work Breakdown Structure |
|
WBSN |
Wireless Broadband-Sharing Network |
|
WBT |
Wireless Business Technology |
|
WBTS |
Wireless Business Telephone System |
|
WCA |
Wireless Cable Association International |
|
WCB |
Wireline Competition Bureau (FCC) |
|
WCDMA |
Wideband Code Division Multiple Access |
|
WCFQ |
Wireless Credit-based Fair Queueing |
|
WCIT |
World Conference on International Telecommunications |
|
WCM |
Wireless Connection Manager |
|
WCMP |
Wireless Control Message Protocol |
|
WCOE |
Wireless Center of Excellence |
|
WCPE |
Wireless Customer Premises Equipment |
|
WCRL |
Wireless Communications Research Laboratory |
|
WCRM |
Wireless Customer Relationship Management |
|
WCS |
Wireless Coupon System |
|
WCS |
Wireless Communication Services |
|
WCS |
Wireless Communications Service |
|
WCTB |
Wireless Campus TestBed |
|
WCTG |
Wireless Communications Technologies Group |
|
WCTP |
Wireless Communication Transfer Protocol |
|
WCZO |
Wireless Communication Zoning Ordinance |
|
WDA |
Wireless Digital Assistant |
|
WDA |
Wireless Developer Agency |
|
WDCS |
Wireless Distributed Communication System |
|
WDCX |
Wideband Digital Cross-connect |
|
WDDF |
Wireless Data Delivery Function |
|
WDDM |
Wavelength-Division Demultiplexing |
|
WDF |
Wireless Data Forum |
|
WDL |
Wireless Device License |
|
WDM |
Wavelength Division Multiplexing (fiber optics) |
|
WDM |
Windows Driver Model |
|
WDMW |
Web Directory for Mobile and Wireless |
|
WDN |
Wireless Developer Network |
|
wDP |
Wireless Data Pool |
|
WDP |
Wireless Datagram Protocol |
|
WDRM |
Wireless Design Reference Manual |
|
WDS |
Wireless Distribution System |
|
WDSL |
Wireless Digital Subscriber Line |
|
WDSN |
Wireless Distributed Sensor Networks |
|
WE |
Western Electric |
|
WECA |
Wireless Ethernet Compatibility Alliance |
|
WECM |
WebSphere Everyplace Connection Manager |
|
WEDE |
Wireless Enterprise Delivery Environment |
|
WEP |
Wired Equivalent Privacy |
|
WEPD |
Weighted Early Packet Discard |
|
WEWI |
Wireline Electronic Weight Indicator |
|
WEXK |
Wireless EXit Kit |
|
WFA |
Wait for Answer |
|
WFA |
Work Force Administration |
|
WFFQ |
Wireless Fluid Fair Queueing |
|
WFG |
Wireless Firewall Gateway |
|
WFII |
Wireless Facilities Information Infrastructure |
|
WFM |
Wireless Frequency Modulation |
|
WFOC |
Wireless Full Operational Capability |
|
WFQ |
Weighted Fair Queueing |
|
WFT |
Wireline Formation Test |
|
WFUP |
Wireless Fair Usage Policy |
|
WFZ |
Wire Free Zone |
|
WG |
Working Group |
|
WGEN |
Wireless GENeration |
|
WGIS |
Wireless Geographical Information System |
|
WGS |
Worldwide Geodesic System |
|
WGX |
WebPhone Gateway eXchange |
|
WGX |
Wireless Gateway Switch |
|
WHAT |
Wireless Hybrid Asynchronous Time-bounded |
|
WHIW |
Wireless Home Installation Wizard |
|
WHM |
Wireless Host Module |
|
WHT |
Walsh-Hadamard Transform |
|
WIAD |
Wireless Integrated Access Device |
|
WIAS |
Wholesale Internet Access Services |
|
WIAX |
WIreless Internet Access |
|
WIBR |
WIreless gate BRidge |
|
WICD |
Wireless Interface Connection Daemon |
|
WICI |
Wireless Innovations in Communications Initiative |
|
WICS |
Wireless Integrated Communication System |
|
WID |
Wireless Information Device |
|
WIDS |
Wireless Intrusion Detection Sensor |
|
WIEA |
Wireless Internet Enterprise Application |
|
WIG |
Wireless Internet Gateway |
|
WIGLE |
Wireless Geographic Logging Engine |
|
WIKS |
Wireless Interactive Keypad System |
|
WIM |
WAP (Wireless Application Protocol) Identity Module |
|
WIMC |
Wireless Intelligent Mobile Communicator |
|
WIN |
Wireless Intelligent Network |
|
WINS |
Windows Internet Name Service |
|
WIOP |
Wireless Inter-ORB (Object Request Broker) Protocol |
|
WIPA |
Walkup Internet Port Authentication |
|
WIPI |
Wireless Internet Platform for Interoperability |
|
WIPN |
Wireless Internet Protocol Network |
|
WIPO |
World Intellectual Property Organization |
|
WIPS |
Wireless Intelligent Personal Server |
|
WIPSC |
Wireless Intelligent Personal Server Consortium |
|
WIRC |
Wireless Information Resource Center |
|
WIS |
WAN (Wide Area Network) Interface Sublayer |
|
WISE |
Wireless Infrastructure Simulation Environment |
|
WISi |
Wireless Integrated Strike Interface |
|
WISP |
Wireless Internet Service Provider |
|
WIT |
Wireless Image Transfer |
|
WITS |
Washington Interagency Telecommunications System |
|
WITS |
Web Interface for Telescience |
|
WIUB |
WIreless Universal Base-mounted |
|
WIVA |
Wireless Integrated Voice Access |
|
WIVO |
WIreless VelOcity |
|
WIWT |
Wireless Internet of West Tennessee |
|
WIX |
Wireless Information EXchange |
|
WIXC |
Wireless Internet eXpress Connection |
|
WIXD |
Wireless Internet eXpress Data Connection |
|
WIZ |
Wireless Internet Zone |
|
WK |
Week |
|
WL |
Wire Line |
|
WLA |
WireLess Access |
|
WLAB |
Wireless LAN (Local Area Network) Access Bridge |
|
WLAN |
Wireless Local Area Network |
|
WLAP |
Wireless LAN (Local Area Network) Access Point |
|
WLAR |
Wireless LAN (Local Area Network) Access Repeater |
|
WLDD |
Wireless Location-Dependent Data |
|
WLDS |
Wilkes Long Distance Service |
|
WLEC |
WireLess Ethernet Converter |
|
WLHB |
WireLine HandBook |
|
WLHP |
WireLess HeadPhone |
|
WLIA |
Wireless Location Industry Association |
|
WLL |
Wireless Local Loop |
|
WLLD |
Wireless Local Loop Delivery |
|
WLN |
WireLess Networking |
|
WLNP |
Wireless Local Number Portability |
|
WLRL |
Wireless LAN (Local Area Network) Research Laboratory |
|
WLS |
Wireless Location Services |
|
WLS |
Wait Listing Service |
|
WLSE |
Wireless LAN (Local Area Network) Solution Engine |
|
WLSM |
Wireless LAN (Local Area Network) Springboard Module |
|
WLSS |
WireLess Select Switch |
|
WLTF |
Wireless LAN (Local Area Network) Task Force |
|
WLTG |
Wireless LAN (Local Area Network) Technology Group |
|
WMA |
Wireless Messaging API (Application Programming Interface) |
|
WMAN |
Wireless Metropolitan Area Network |
|
WMBD |
Wireless Media Broadcast Device |
|
WMIP |
Wireless-Mobility Integration Protocol |
|
WML |
Wireless Markup Language |
|
WMO |
World Meteorological Organization (ICSU) |
|
WMTP |
Wireless Messaging Transfer Protocol |
|
WMTS |
Wireless Medical Telemetry Service |
|
WN |
Wireless Network |
|
WNA |
Wireless Network Adapter |
|
WNA |
Wireless Network Auburn |
|
WNAN |
Wireless Neighborhood Area Network |
|
WNAP |
Wireless Network Access Point |
|
WNAR |
Wireless Network Access Requirements |
|
WNAS |
Wireless Network Access Services |
|
WNC |
Wireless Network Communications |
|
WND |
Wireless Network Design |
|
WNE |
Wireless Network Experiment |
|
WNI |
Wireless Network Interface |
|
WNIU |
Wireless Network Interface Unit |
|
WNL |
Wireless Networks Laboratory |
|
WNM |
Wireless Network Management |
|
WNMS |
Wireless Network Management System |
|
WNP |
Wireless Number Portability |
|
WNPD |
Wireless Network Persistent Data |
|
WNPO |
Wireless Number Portability Operations subcommittee |
|
WNQ |
Wireless Network Quality |
|
WNQR |
Wireless Network Quality Review |
|
WNQS |
Wireless Network Quality Specification |
|
WNRC |
Wireless Networks Research Center |
|
WNRL |
Wireless Network Research Laboratory |
|
WNSK |
Wireless Networking Starter Kit |
|
WNT |
Windows NT |
|
wNVA |
wireless Network Vicinity Assessment |
|
WOIP |
Wireless communications over Internet Protocol |
|
WON |
Wireless Optical Network |
|
WOQS |
Wireless Operator Quarterly Service |
|
WORM |
Write-Once, Read-Many |
|
WORP |
Wireless Outdoor Router Protocol |
|
WOS |
Wireless Optimization Service |
|
WOSN |
Wireless Optimization Service Node |
|
WOW |
WithOut Wires |
|
WP7 |
Windows Phone 7 |
|
WPA |
WiFi Protected Access |
|
WPAN |
Wireless Personal Area Network |
|
WPBX |
Wireless Private Branch Exchange |
|
WPC |
Wireless Personal Communications |
|
WPCS |
Wireless Personal Communications Services |
|
WPKI |
Wireless Public Key Infrastructure |
|
WPM |
speech--words per minute |
|
WPMS |
Wireless Pay phone Management System |
|
WPMS |
Wireless Protocol Management System |
|
WPOP |
Wireless Point-of-Presence |
|
WPoS |
Wideband Packet over SONET (Synchronous Optical NETwork) |
|
WPS |
Wireless Priority Service |
|
WQOS |
Wireless Quality of Service |
|
WRAN |
Wireless Rural Area Network |
|
WRAPS |
Wireless Remote Audio Perimeter Sharing |
|
WRB |
Wireless Receiver Box |
|
WRBB |
Wireless Rural BroadBand |
|
WRBS |
Wireless Router Base Station |
|
WRED |
Weighted Random Early Detection |
|
WRI |
Wireless Reader Interface |
|
WRRK |
Wireless Router and Repeater Kit |
|
WRT/R |
Wireless Transmitter/Receiver |
|
WRU |
Wireless Receiver Unit |
|
WS |
Workstation |
|
WSA |
Wireless Security Auditor |
|
WSDL |
Web Services Description Language |
|
wsf |
Workstation Function |
|
WSFL |
Web Services Flow Language |
|
WSI |
Wireless Services Integration |
|
WSL |
Wireless Systems Laboratory |
|
WSN |
Wireless Sensor Network |
|
WSNN |
Wireless Sensor Network News |
|
WSP |
Wireless Signal Processor |
|
WSP |
Wireless Service Provider |
|
WSP |
Wireless Session Protocol |
|
WT |
Wireless Telephony |
|
WTA |
Wireless Telephony Application |
|
WTA |
Western Telecommunications Alliance |
|
WTA |
Wireless Telephony Applications |
|
WTAI |
Wireless Telephony Applications Interface |
|
WTB |
Wanted to buy |
|
WTC |
Wireless Topic Center |
|
WTCD |
World Telephone Card Databank |
|
WTCP |
Wireless Transport Control Protocol |
|
WTDC |
World Telecommunications Development Conference |
|
WTDC 2002 |
World Telecom Development Conference 2002 |
|
WTDC 2003 |
World Telecom Development Conference 2003 |
|
WTDC 98 |
World Telecom Development Conference 1998 |
|
WTDM |
Wideband Time Division Multiplexing |
|
WTEL |
Wireless TELephony |
|
WTF |
Wireless Telecommunications Facility |
|
WTFB |
World Telecoms Financial Benchmarks |
|
WTG |
Way To Go |
|
WTIA |
Wireless Technology Industry Association |
|
WTID |
World TELECOM Internet Day |
|
WTIS |
Wireless Telecommunications Information & Services |
|
WTK |
Wireless Toolkit |
|
WTL |
Wireless Transport Layer |
|
WTLS |
Wireless Transport Layer Security |
|
WTN |
Working Telephone Number |
|
WTNG |
World Telephone Numbering Guide |
|
WTNM |
Working Telephone Number Management |
|
WTNO |
Wireless Technologies and Network Overview |
|
WTNP |
Wireless Telephone Number Portability |
|
WTNPA |
Wireless Telephone Number Portability Act |
|
WTO |
World Trade Organisation |
|
WTP |
Wireless Transaction Protocol |
|
WTPF |
World Telecommunication Policy Forum |
|
WTPF 3 |
World Telecommunication Policy Forum 3 |
|
WTR |
Wireless Token Ring |
|
WTRN |
Wireless Token Ring Network |
|
WTRP |
Wireless Token Ring Protocol |
|
WTRS |
Wisconsin Telecommunication Relay System |
|
WTS |
Wireless Telecommunication Services |
|
WTS |
Wireless Telecommunications Symposium |
|
WTSF |
Wireless Telecommunication Services Facilities |
|
WTSO |
Washington Telecommunications Services and Operations |
|
WUA |
Wireless USB (Universal Serial Bus) Adapter |
|
WUF |
Wireless University Forum |
|
WUP |
Wired Up Privacy |
|
WUPE |
Wireless User Premises Equipment |
|
WURST |
Wideband, Uniform Rate, Smooth Truncation |
|
WUSI |
Wireless Universal Strike Interface |
|
WVAS |
Wireless Value Added Services |
|
WVI |
Wireless Vehicle Interface |
|
WVoIP |
Wireless Voice over Internet Protocol |
|
WVPN |
Wireless Virtual Private Network |
|
WWA |
Wireless Web Application |
|
WWAN |
wireless wide-area network |
|
WWAN |
Wireless Wide Area Network |
|
WWAT |
Wireless Wide Area Telemetry |
|
WWCE |
World Wide Cellular Extension |
|
WWJ |
Wireless Watch Japan (est. 2001) |
|
WWO |
Wireless Work Order |
|
WWOM |
Wireless Work Order Management |
|
WWRF |
Wireless World Research Forum |
|
WWSI |
Wireless Web Systems Integration |
|
WWTA |
World Wireless Technologies, Asia |
|
wwtw |
World Wide Telecom Web |
|
WWVC |
WorldWide VideoConferencing |
|
WWW |
World Wide Web |
|
WWW |
World Weather Watch |
|
WWW3 |
World Wide Web Consortium |
|
WWYP |
Westford Web Yellow Pages |
|
WWZ |
Wireless Work Zone |
|
WWZA |
Wireless WorkZone Alliance |
|
WXE |
Wireless Exchange Engine |
|
WYSIWYG |
What You See Is What You Get (pronounced Wizzy-wig. See Entry For Derived Acronyms) |
|
X |
X Window System |
|
X-Bar |
Crossbar telephone exchange |
|
X-OFF |
Transmitter Off |
|
X-ON |
Transmitter On |
|
X25 |
A Packet Switching Protocol |
|
XA-FR |
Exchange Access Frame Relay |
|
XA-SMDS |
Exchange Access Switched Multi-Megabit Data Service |
|
XC |
Cross-Connect |
|
xDSL |
x (any type of) Digital Subscriber Line |
|
xDSL |
"generic" Digital Subscriber Line |
|
XFMR |
Transformer |
|
XI |
X Identification (frame) |
|
XML |
Extensible Markup Language |
|
XNS |
Xerox Network System |
|
XNS |
Xerox Network Systems |
|
XOT |
X.25 Over TCP (Transmission Control Protocol) |
|
XPS |
X-Ray Photoelectron Spectroscopy |
|
XRF |
X-Ray Fluorescence |
|
XWI |
XML (extensible markup language) for Wireless Images |
|
Y |
Yes |
|
Y |
Yttrium |
|
Y2K |
Year 2000 |
|
YA |
Yet Another |
|
YABA |
Yet Another Bloody Acronym |
|
YAC |
Yet Another Caller-ID program |
|
YAHOO |
You Are Hazy Over Oranges |
|
YBY |
Why Be Yellow |
|
YGWYPF |
You Get What You Pay For |
|
YIP |
Your Internet Phone |
|
YL |
Young Lady |
|
YLT |
Your Local Telecom |
|
YMMV |
Your Mileage May Vary |
|
YP |
Yellow Pages |
|
YPBX |
Ytelco Private Branch Exchange |
|
YTD |
Year To Date |
|
YYP |
Yahoo Yellow Pages |
|
Z |
Zero |
|
Z |
Zulu Time |
|
ZBTSI |
Zero Byte Time Slot Interchange |
|
ZCZ |
Zero Correlation Zone |
|
ZD |
Zero Defects |
|
ZD |
Ziff-Davis |
|
ZDBOP |
Ziff-Davis Benchmark Operation |
|
ZDL |
Zonal Daily Load |
|
ZFH |
Novell ZENworks For Handhelds |
|
ZIP |
Zone Information Protocol |
|
ZIP |
Zone Improvement Plan |
|
ZLE |
Zero-Latency Enterprise |
|
ZPD |
Zero-Plus Dialing |
|
ZUD |
Zero Unscheduled Downtime |
|