Acronyms and Abbreviations in Telecommunications

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Acronyms and Abbreviations in Telecommunications
Updated 6 December 2000
Other lists of acronyms and abbreviations may be found at:
http://www.fen.bris.ac.uk/elec/UMPTIDUMPTI/data/glossary/glossarybody.html
http://www.chemie.fu-berlin.de/cgi-bin/acronym
http://www.hill.com/library/acronym.html (These are just telecommunication acronyms –
about 1700 entries, which tend to be hardware-oriented.)
http://www.ucc.ie/info/net/acronyms/acro.html
(18,000 entries, from all areas. It searches
for you. I tried some obscure German acronyms, and found them.)
http://www.geocities.com/~mlshams/acronym/acr.htm
http://www.AcronymFinder.com
http://didier-belair.online.fr/dic/gl-som.htm (primarily, but not exclusively, French)
For help in generating web-related phrases, see http://www.dack.com/web/bullshit.html
I’ve taken out the diacritical marks, since they generate garbage when transmitted over the net.
2B1Q
Two Binary One Quaternary
3-G
Third-generation mobile standard
3G
Third-Generation licences
3G3P
3G Patent Platform Partnership
3GPP
Third-Generation Partnership Project
3D
Third generation mobile systems
4GL
Fourth Generation Language
A2Go
Applications2Go
AAATE
Association for the Advancement of Assistive Technology in Europe
AAC
Augmentative and Alternative Communication
ABM
Asynchronous Balances Mode (HDLC)
ACCC
Australian Competition and Consumer Commission
ACCESS
Development Platform for Unified Access to Enabling Environments (TIDE
project)
ACD
Automatic Call Distribution
ACEC
Advisory Commission on Electronic Commerce
AceS
Asia Cellular Satellite
ACIF
Australian Communications Industry Forum
ACITS
Advisory Committee on Information Technology Standardisation (SOG-IT)
ACM
Association for Computing Machinery
ACTE
Approvals Committee for Terminal Equipment (EC)
ACTS
Advanced Communications Technologies and Services Satellite
ADA
Americans with Disabilities Act
ADL
Activities of Daily Living
ADPCM
Adaptive Differential Pulse Code Modulation (Digital compression
technique used to process audio on DC-ROM CA and CD-I.)
ADSL
Asymmetric Digital Subscriber Line
AECMA
Association Europeenne des Constructeurs de Materiel Aerospatial
AER
Association for Education and Rehabilitation of the Blind and Visually
Impaired
AES
Advanced Encryption Standard
AFB
American Foundation for the Blind
AFIM
l'Association Francaise d'Internet Mobiles
AFNOR
Association Francaise pour la NORmalisation
AHCIET
Asociacion Hispanoamericana de Centros de Investigacion y Empresas de
Telecomunicaciones
AIM
Advanced Informatics for Medicine (DG XIII)
ALDICT
Access of Persons with Learning Disabilities to Information and
Communication Technologies
ALEC
Alternate Local Exchange Carrier
AMPS
Advanced Mobile Phone System
ANI
Automatic Number Identification (ISDN)
ANSI
American National Standards Institute
AP
Application Program
APCN
Asia Pacific Cable Network
APDU
Application Protocol Data Unit
APN
Access Point Name
APNG
Asia-Pacific Networking Group
APPSN
Application Pilot for People with Special Needs (RACE project)
APRS
Automatic Packet Reporting System
ARCS
Astra Return Channel System
ARIN
American Registry for Internet Numbers
ARL
Akamai Resource Locator
ARM
Asynchronous Response Mode (HDLC)
ARPANET
Advanced Research Projects Agency NET
ART
Autorite de Regulation des Telecommunications
ASCII
American Standard Code for Information Interchange
ASDL
Assymetric Digital Subscriber Line
ASI
Alternate Space Inversion
ASIC
Application Specific Integrated Circuit
ASL
American Sign Language
ASNA
Internet Assigned Numbers Authority
ASO
Address Supporting Organization
ASP
Advanced Speech Processor; Applications Service Provider
ASPIC
Application Service Provider Industry Consortium
ASR
Automatic Speech Recognition
ASP
Application Service Provider
AT
Assistive Technology
ATDM
Asynchronous Time Division Multiplexing
ATM
Asynchronous Transfer Mode or Automatic Teller Machine
ATR
Advanced Telecommunications Research (Institute)
ATRC
Adaptive Technology Research Center
ATTT
African Telecommunicatiions Think Tank
ATUG
Australian Telecommunications Users Group
AUDETEL
Audio Description of Television for the Visually Disabled and Elderly
(TIDE project)
AURORA
Project to develop safety equipment systems for disabled and elderly persons
(TIDE project)
AVL
Acailable
AVM
Audio Visual Management
B2
Bredbandsbolaget AB
B2B
Business-to-Business
B2C
Business to Consumer
BABT
British Approvals Board for Telecommunications
BAIC
Barring of All Incoming Calls
BAOC
Barring of All Outgoing Cells
BAP
Bandwidth Allocation Protocol
BAPT
Bundesamt für Post und Telekommunikation
BBS
Bulletin Board System
BCAP
Bandwidth Allocation Control Protocol
BCD
Binary Coded Decimal
BDT
Telecommunication Development Bureau of the ITU
B-ICI
Broadband Intercarrier Interface (ATM)
BIOS
Basic Input/Output System
BIPT
Belgian Institute for Posts and Telecommunications
BIS
Business Intelligence Software
B-ISDN
Broadband Integrated Services Digital Network
BLEC
Building (or Basement) Local Exchange Carrier
BLSR
Bidirectional Line Switched Ring
BMPT
Bundesamt fuer Post and Telekommunikation
BMS
Broadband Management System
BNT
Groupe Belge des Normes de Telecommunications
BOTZ
Build Operate Transfer
BRI
Basic Rate Interface (ISDN)
BRITE
Basic Rate Interface Transmission Equipment
BRITE/EURAM Basic Research in Industrial Technologies for Europe/European Research in
Advanced Materials
BSC
Base Station Controller (Wireless/GSM(
BSC
Binary Synchronous Communications (IBM)
BSI
British Standards Institution
BSIC
Base Transceiver Station Identity Code
BSS
Base Switching System
BT
Business Telecommunications (as used by ETSI) or British Telecom
BTAM
Basic Telecommunications Access Method (SNA)
BTR
British Telecom Requirement
BTS
Base Transceiver Station
BWA
Broadband Wireless Association
BWLL
Broadband Wireless Local Loop
CA
Certificate Authority
CALEA
Communications Assistance for Law Enforcing Agencies
CAMEL
Customized Application for Mobile networks Enhanced Logic
CAPS
Communication and Access to information for Persons with Special needs
(TIDE project)
CAST
Center for Applied Special Technology
CATV
Cable Television also Community Antennae Television
CB
Citizens Band
CCIR
Comité Consultatif International des Radiocommunications (ITU-R)
CCITT
Comite Consultatif International Telegraphique et Telephonique
CcTLD
Country-code Top Level Domain
CD
Call Deflection; Compact Disc
CDG
CDMA Development Organization
CDMA
Code Division Multiple Access
CDN
Content Delivery Network
CDPD
Cellular Digital Packet Data
CEC
Commission of the European Communities
CEE
Central and Eastern Europe
CEN
Comite Européen de Normalisation
CENELEC
Comite Européen de Normalisation Electronique
CEPT
Conference of European Postal and Telecommunications Administrations
CFB
Call Forward Busy
CFNR
Call Forward No Reply
CHTML
compact HTML
CIC
Carrier Identification Code
CISC
Complex Instruction Set Computer (i.e., can perform multiple operations per
instruction)
CIX
Commercial Internet eXchange
CLEC
Competitive Local Exchange Carrier
CLI
Calling Line Identity/Identification
CLIP
Calling Line Identity Presentation
CLIR
Calling Line Identification Restriction
CLP
Cell Loss Priority (ATM)
CMCC
China Mobile Communications Corporation
CMR
Cellular Mobile Radio
CNAE
Customer Network Access Equipment
CNC
China Netcom Corporation
CNET
Centre National d'Etudes des Telecommunications
CNM
Customer Network Management
COLP
Connected Line Identification Presentation
COLR
Connected Line Identification Restriction
COM
Common Object Model
COMAC
Committee On Medicine And Computers (DG XII)
COMESA
Common Market for Eastern and Southern African States
COMETT
Community Programme in Education and Training for Technology
Copernicus
Co-operation in Science and Technology with Central and Eastern European
Countries
CORBA
Common Object Request Broker Architecture
CORE
Consensus creation and awareness for research and development activities
in technology for disabled and elderly people (TIDE project)
Also: Council of Internet Registrars
COST
European Cooperation in the field Of Scientific and Technical research
CP
Communications Protocol
CPE
Customer Premises Equipment
CPIC
Common Programming Interface Communications
CPP
Calling Party Pays
CPS
Carrier Pre-Selection; Communications Service Providers
CREST
Scientific and Technical Research Committee (of the EU)
CRM
Customer Relationship Management
CRTC
Canadian Radiotelevision and Telecommunications Commission
CSO
Committee of Senior Officers
CSDN
Circuit Switched Data Network
CSP
Converged Service Provider
CSPDN
Circuit Switched Public Data Network
CSS
Cascading Style Sheet
CT-2
Second generation Cordless Telephone, UK
CT1
European analogue cordless telephone system
CTI
Computer Telephony Integration
CTIA
Cellular Telecommunications Industry Association
CTR
Common Technical Regulation (EU)
CTU
Czech Telecommunications Office
CW
Call Waiting
CYTA
Cyprus Telecommunications Authority
D-tag
Descriptive text link
DAB
Digital Audio Broadcasting
DACS
Digital Access and Cross-connect System
DAI
Digital Audio Interface (104 kbit/s)
DAMPS
Digital Advanced Mobile Phone System
DANN
Data Networking Association
DARS
Digital Audio Radio Satellite Service
DASS
Digital Access Signalling System
DBS
Direct Broadcast Service
DCC
Data Communication Channel
DCN
Data Communications Network
DCS
Digital Cellular System
DECT
Digital European Cordless Telecommunications
DELTA
Developing European Learning through Technological Advance (DG XIII)
DEC
Disputes.org/eResolution Consortium
DES
Data Encryption Standard
DFID
Department For International Development
DGPS
Differential Global Positioning System
DHTML
Dynamic HTML
DiffServ
Differentiated Services
DIS
Draft International Standards
DNS
Domain Name System
DNSO
Domain Name Supporting Organization
DOCSIS
Data Over Cable Service Interface Specification
DOM
Document Object Specification
DPL
Digital PowerLine
DRB
Digital Radio Broadcasters
DS
Direct Spread
DSL
Digital Subscriber Line
DSLAM
DSL Access Multiplexer
DSRR
Digital Short Range Radio
DTD
Document Type Definition file
DTH
Direct-To-Home
DVB
Direct digital Video Broadcasting
DWDM
Dense Wave (or Wavelength) Division Multiplexing
E&D
Elderly and Disabled
EARN
European Academic Research Network
e-B2B
electronic business-to-business
EBU
European Broadcasting Union
EC
European Community, European Commissions
ECART
European Conference on Advances in Rehabilitation Technology
ECDC
Electronic Commerce in Developing Countries
ECMA
European Computer Manufacturers Association
ECOWAS
Economic Community Of West African States
eCRM
electronic Customer Relation Management
ECTA
European Competitive Telecommunications Association; Eastern Caribbean
Telecommunications Authority
ECUMN
European Conference on Universal Multiservice Networks
EDF
European Disability Forum
EDGE
Enhanced Data for GSM Evolution; Enhanced Data rates for Global
Evolution
EDI
Electronic Data Interchange
EEC
European Economic Community
EEMA
European Forum for Electronic Business
EESSI
European Electronic Signature Standardization Initiative
EFEI
European Federation of Electronic Industries
EFF
Electronic Frontier Foundation
EFTA
European Free Trade Association
EFTPOS
Electronic Funds Transfer Point of Sale
EHIMA
European Hearing Instrument Manufacturers Association
EIA
Electronic Industries Association
EIDD
European Institute for Design and Disability
EIF
European Internet Foundation
EIIA
European Information Industry Association
EITAAC
Electronic Information Technology Access Advisory Committee
EMC
Electromagnetic Compatibility
EMI
Electromagnetic Interference
EN
European Norm (Term within CEN and CENELEC)
ENSOETSI
National Standardisation Organisations (ETSI)
ENUM
Electronic Numbering
EOTC
European Organization for Testing and Certification
E-OTD
Enhanced Observed Time Difference
EP
European Parliament
ERO
European Radiocommunications Office
ERP
Enterprise Resource Planning
ERPS
Enhanced Reference Picture Selection
ES
European Standard or End Systems (ETSI TC BT)
ESB
European Standardisation Board
ESC
European Standardisation Council
ESO
European Standardisation Organisation
ESPRIT
European Strategic Programme for Research and Development
ETAN
European Technology Assessment Network
ETIS
European Telecommunications Informatics Services
ETNO
European public Telecommunications Network Operators association
ETO
European Telecommunications Organization
ETP
European Telecommunications Platform (Brussels-based policy monitoring
group)
ETR
ETSI Technical Report
ETT
European Telecommunications and Technology
ETS
European Telecommunications Standard
ETSI
European Telecommunications Standards Institute
EU
European Union
EUREKA
European Research Co-operation Agency
EURESCOM
European Institute for Research and Strategic Studies in
Telecommunications
EuroISPA
European Internet Service Providers Association
EVA
Economic Value Added
EVCA
European Venture Capital Association
EVUA
European Virtual Private Network Users Association
FCC
Federal Communications Commission
FEDMA
Federation of European Direct Marketing
FDMA
Frequency Division Multiple Access
FEI
Federation of the Electronics Industry
FIPS
Federal Information Processing Standards
FLAG
Fiberoptic Link Around the Globe
FMC
Fixed Mobile Convergence
FP6
the EU's 6th Framework research Programme
FSS
Fixed Satellite Service
FS-VDSL
Full Service-Very High Speed Digital Subscriber Line
FTP
File Transfer Protocol (IETF)
FTC
Federal Trade Commission
FTSE
Financial Times-Stock Exchange
FWA
Fixed Wireless Access
GAC
(ICANN's) Government Advisory Committee
GAIT
GSM MAP Network/ANSI-41 Interoperability Team
GAM
Global Account Management
GAN
Global Area Network
GATT
General Agreement on Tariffs and Trade
GBDe
Global Business Dialog on electronic commerce
GEO
Geosynchronous Earth Orbit
GGRF
GSM Global Roaming Forum
GGSN
Gateway GPRS Support Node
GIS
Geographical Information System
GMCF
Global Mobile Commerce Forum
GMPCS
Global Mobile Personal Communication Systems (or Services)
GNS
Global Network Strtegies
GNX
GlobalNet eXchange
GPRS
General Packet Radio Service
GPS
Global Positioning System
GPRS
General Packet Radio Services
GPSR
General Packet Switched Radio
GSA
GSM System Area
GRX
GPRS Roaming Exchange
GSM
Global System for Mobile telecommunications
GSP
Global Service Provider
gTLD
generic Top-Level Domain (e.g., .com. .edu)
GTS
Global TeleSystems Group
GUIB
Graphical User Interfaces for Blink people (TIDE project)
HAC
Hearing Aid Compatible
HAPS
High Altitude Platforms
HDLC
High-level Data Link Control (ISO)
HDML
Handheld Devices Markup Language
HDSL
High-rate Digital Subscriber Loop
HDTV
High Definition Television
HDVS
High Definition Video System
HEART
Horizontal European Activities in Rehabilitation Technology (TIDE project)
HELIOS
Handicapped people in the European community Living In Open Society
(DG 5)
HF
Human Factor (One of ETSI's Technical Committees)
HKTUG
Hong Kong Telecommunications Users Group
HSCD
High Speed Circuit Switched Data
HSCSD
High Speed Circuit Switched Data
HTTP
Hypertext Transfer Protocol (IETF)
HVAC
Heating, Ventilation and Air Conditioning (smart homes)
IAB
Internet Architecture Board
IAHC
Internet Ad Hoc Committee
IANA
Internet Assigned Numbers Authority
IASP
Internet Access Service Provider
IB
International Bureau (of the FCC)
IBC
Integrated Broadband Communication
I-CAN
Integrated Customer Access Network
ICAN
Integrated Control of ´All Needs (TIDE project)
ICANN
Internet Corporation for Assigned Names and Numbers
ICC
International Chamber of Commerce
ICD
International Classification of Diseases
ICIDH
International Classification of Impairments, Disabilities and Handicaps
ICT
Information and Communications Technology
ICTA
International Commission on Technology and Accessibility
IDATE
Institut de l'Audiovisuel et des Telecommunications en Europe
IDN
Integrated Digital Network
IDP
International Data Post (organization of 17 postal authorities)
iDSN
internationalized Domain Name System
IEC
International Electrotechnical Commission
IEEE
Institute of Electrical and Electronics Engineers
IEGMP
Independent Expert Group on Mobile Phones
IETF
Internet Engineering Task Force
IFHOH
International Federation of Hard of Hearing People
ILEC
Incumbent Local Exchange Carrier
ILETS
International Law Enforcement Telecommunications Seminar
IM
Instant Messaging
IMAP
Internet Managed Application Provider
IMP
Interface Message Processor
IMS
Information Management System
IMSO
International Maritime Safety Organization
IMT
International Mobile Telephony
IMTC
International Multimedia Teleconferencing Consortium
IN
Intelligent Networks
INCLUDE
Inclusion of Disabled and Elderly in Telematics
INMARSAT
International Marine Satellite Organization
INMS
International Network Management System (DT + 12 Eastern carriers)
INTELSAT
International Telecommunications Satellite Organisation
INTUG
International Telecommunications Users Group
IOP
Input/Output Processor
I/P
Internet Protocol
IP
Internet telephony Providers; Internet Protocol; Intellectual Property
IPDR
Internet Protocol Detail Record
IPLC
International Private Leased Circuit
IPO
Initial Public Offering
IPR
Intellectual property rights
IPSNI
Integration of People with Special Needs by IBC (RACE project)
IPv4
Internet Protocol version 4
Ipv6
Internet Protocol version 6
IP VPN
Internet Protocol Virtual Private Network
IrDA
Infrared Data Association
IRG
Independent Regulators Group
IRU
Indefeasible Right of Use
ISC
International Switching Centre
ISDN
Integrated Services Digital Network
ISF
International Sensitivity Forum
ISIS
Information Society Initiative for Standardization
ISM
Industrial Scientific-Medical (frequency band)
ISO
International Organisation for Standardisation
ISOC
Internet Society
ISP
Internet Service Provider
ISPA
Internet Service Poviders Association
IST
Information Society Technologies
ISTAG
IST Advisory Group
ISVs
Independent Software Vendors
IT
Information Technology
ITM
Information/Transaction Machine
ITMC
International MultimediaTeleconferencing Consortium
ITS
Intelligent Transport Systems
ITSP
Internet Telephony Service Provider
IT&T
Information Technology and Telecommunications
ITU
International Telecommunications Union
ITU-R
ITU Radiocommunication standardization sector
ITU-S
ITU Standardization bureau
ITU-T
ITU Telecommunication Standardization Sector
IUDD
Infrastructure and Urban Development Department
iVAD
integrated Voice and Data
IVR
Interactive Voice Response
JAIN
Jave APIs for Integrated Networks
JCG
Joint Coordination Group (CEN/CENELEC/ETSI)
JPEG
Joint Photographics Expert Group
JTC
Jordan Telecommunications Company
JUS
Japan-U.S. Cable Network
KM
Knowledge Management
KPN
Telecom formerly PTT Telecom BV
LAN
Local Area Network
LANS
Local Area Network Services
LAP
Link Access Protocol
LAS-CDMA
Large Area Synchronized Code Division Multiple Access
LCN
Local Communication Network
LDAP
Lightweight Directory Access Protocol
LDS
Location Dependent Services
LEC
Local Exchange Carrier
LEO
Low Earth Orbit
LIMS
Laboratory Information Management System
LMDS
Local Multipoint Distribution System (wireless microwave cable service)
LT
Lietuvos Telekomas
LRIC
Long Run Incremental Cost
MAC
Media Access Control
MADM
Multiple Add/Drop Multiplexer
MAN
Metropolitan Area Network
MAP
Management Application Protocol
MART
Maximising the Market for Telecommunications-Based Rehabilitation
Technology (TIDE project)
MATHS
Mathematical Access for Technology and Science for visually disabled users
(TIDE project)
MC
Multi-Carrier
MCPA
Mulit Carrier Power Amplifier
MDA
Mobile Data Association
MDD
Medical Device Directive
MDF
Main Distribution Frame
MIME
Multipurpose Internet Mail Extensions (IETF)
MLA
Mutual Legal Assitance
MMAC
Multimedia Mobile Access Communications
MNO
Mobile Network Operators
MOBIC
Mobility Of Blind and elderly people Interacting with Computers (TIDE
project)
MoU
Memorandum of Understanding
MOWLAN
Mobile Operator Wireless LAN
MPEG
Motion Picture Experts Group (ISO)
MPLS
Multi-Protocol Label Switching
MSDL
MPEG-4 Syntactic Description Language
MSN
Multiple Subscriber Number; Microsoft Network
MSO
Multiple Systems Operator
MSS
Mobile Satellite Service; Mobile Satellite Systems
MTS
Mobile Telecommunications Services
MVA
Market Value Added
MVNO
MobileVirtual Network Operator
NAFTA
North American Free Trade Agreement
NAF
National Arbitration Forum
NAPTR
Naming Authority Pointer
NASSCOM
National Association of Software and Service Companies
NBAR
Netwwork Based Application Recognition
NCAM
National Center for Accessible Media
NCTA
National Cable Television Association
NET
Norme Europeene de Telecommunications
NNTH
Nordic Forum for Telecommunication and Disability
NGI
Next Generation Integration
NGO
Non Governmental Organisations
NLSP
NetWare Link Services Protocol
NMSI
National Mobile Station Identification number
NMT
Nordic Mobile Telephone
NRA
National Regulatory Authority
NSH
Nor Cooperation on Disability
NSI
Network Solutions Incorporated
NSO
National Standards Organisations
NSP
Network Service Protocol
NTII
National Tele-Immersion Initiative
NTIA
National Telecommunications and Information Administration (USA)
NTS
Number Translation Services
NTSC
National Television System Committee
OCN
Operational Carrier Number
ODSI
Optical Domain Service Interconnect
OECD
Organisation for Economic Cooperation and Development
OECS
Organization of Eastern Caribbean States
OEM
Original Equipment Manufacturer
OFDM
Orthogonal Frequency Division Multiplexing
OFTEL
Office of Telecommunications (UK)
OHG
Operators Harmonization Group
OIF
Optical Internet Forum
OLED
Organic Light Emitting Diode
OMTN
Operation and Maintenance for Telecoms Networks
ONA
Open Network Architecture
ONP
Open Network Provision
OOPS
Object-Oriented Programming System
OPEN
Orientation by Personal Electronic Navigation (TIDE project)
ORBIT
Open Market Reorganization for the Betterment of International
Telecommuinications
OSCE
Organization for Security and Cooperation in Europe
OSI
Open Systems Interconnect(ion) (ISO, ITU-T)
OSRP
Optical Switching and Routing Protocol
OSS
Operating Support Systems; Operations Systems and Software
PABX
Private Automatic Branch Exchange
PAC
Programme Advisory Committee (ETSI)
PACS
Personal Access Communications System
PAIX
Palo Alto Internet Exchange
PATU
Pan African Telecommunication Union
PBX
Private Branch Exchange
PCCW
Pacific Century Cyber Works
PCG
Pacific Century Group
PCI
Programmable Communications Interface
PCM
Pulse Code Modulation
PCN
Personal Communication Network
PCS
Personal Communications Services
PDA
Personal Digital Assistant
PDF
Portable Document Format
PGP
Pretty Good Privacy
PHARE
Poland-Hungary Assistance on Economic Reconstruction
PHARE
also Programme for Harmonised Air Traffic Management Research in
Eurocontrol
PKI
Public Key Infrastructure
PMR
Private Mobile Radio
POP
Point of Pressure
POTS
Plain Old Telephone Service
POS
Point Of Sale (network)
POTS
Plain Ordinary Telephone Service
POVES
Portable Opto-electronic Vision Enhancement System for visually disabled
persons (TIDE project)
PPM
Price Per Minute
PSDN
Packet Switched Data Network
PS
Packet Switching
PSN
People with Special Needs; Public Switched Network
PSO
Protocol Supporting Organization
PSPDN
Packet Switched Public Data Network
PSTN
Public Switched Telephone Network
PTC
Pacific Telecommunications Conference
PTCL
Pakistani Telecommunications Corporation Limited
PTO
Public Telecommunication Operator
PTS
Public Telecommunications System
QoS
Quality of Service
RACE
Research and development in Advanced Communications technologies in
Europe
RACF
Radio Access Control Funktion
RARE
Réseaux Associés pour la Recherche Européen (Associated networks for
European research CEC project)
RAVE
Remote Access Verification Environment
RBOC
Regional Bell Operating Company
RDS
Radio Data System
RIAA
Recording Industry Association of America
RIP
Regulatory Investigative Powers
RIPE
Resaux IP Europeens
RIR
Regional Internet Registries
RISC
Reduced Instruction Set Computer
RLSD
Receive Line Signal Detector
RSS
Residential Service Site
RT
Rehabilitation Technology
RTD
Research and Technical Development
RTF
Radio Terminal Function
SADC
Southern Africe Development Community
SAR
Specific Absorption Rate
SATRA
South African Telecommunications Regulatory Agency
SATURN
Smart Card and Terminal Usability Requirements and Needs (TIDE project)
SCSI
Small Computer Systems Interface
SCVF
Single Channel Voice Frequency
SDMI
Secure Digital Music Initiative
SDH
Synchronous Digital Hierarchy-based
SDN
Switched Digital Netwrok
SDRU
Sensory Disabilities Research Unit
SDSL
Symmetric Digital Subscriber Line
SESAT
Siberean European Satellite
SET
Secure Electronic Transfer
SFA
Systems Financial Analysis
SGML
Standard Generalized Markup Language
SGSN
Serving GPRS Support Node
SHDSL
Symmetrical High-bit-rate DSL
SID
System ID number
SIM
Set Initialization Mode (HDLC); Subscriber Identity Module;Subscriber
Information Module
SIP
Session Initiation Protocol; Smart Image Processor
SITA
Sociétée Internationale de Télécommunications Aéronautiques
SLA
Service Level Agreement
SLC
Subscriber Line Charge
SLM
Single Longitudinal Mode
SMART
Strategy for Mobile Advanced Radio Telecommunications (DG XIII)
SMDS
Switched Multi-megabit Data Service (Bellcore)
SME
Small and Medium-sized Enterprises
SMIL
Synchronized Multimedia Integration Language
SMP
Significant Market Power
SMS
Short Message Service
SMTP
Simple Mail Transfer Protocol (IETF)
SNA
Synchronous Network Architecture; Systems Network Architecture
SOGIT
Senior Officials Group for Information Technology
SOHO
Small Office/Home Office
SONET
Synchronous Optical Network
SPARC
Scalable Performance Architecture; Scholarly Publishing and Academic
Resources Coalition
SPP
Sequenced Packet Protocol (NetWare)
SPRINT
Strategic Programme for Innovation and Technology Transfer in Europe DG
XIII
SSBSC
Single Sideband Suppressed Carrier
SSL
Secure Socket Level (data scrambler)
STAPL
Standard Test and Programming Language
STB
Set Top Box
STD
Subscriber Trunk Dialling
STM
Synchronous Transfer Mode
STRIDE
Science and Technology Research into Innovative Developments in Europe
SWIFT
Society for Worldwide Interbank Financial Telecommunications
(consortium of banks)
TAC
Terminal Access Controller
TACD
TransAtlantic Consumer Dialog
TAG
Technical Advisory Group; Telecommunications Action Group
TAIS
Total Aircraft Information System
TCAP
Transaction Capabilities Application Part
TCP/IP
Transmission Control Protocol/Internet Protocol
TC HF
Technical Committee Human Factor (ETSI)
TCIF
Telecommunications Industry Forum
TCP
Transmission Control Protocol
TCT
Toll Connecting Trunk
TDCC
Transportation Data Coordination Committee
TD-CDMA
Time Division-code CDMA
TDA
Time Distance of Arrival
TDD
Telecommunication Device for the Deaf (Telecommunication Display
Device); Time Division Duplex
TDM
Time Division Multiplexing
TDMA
Time Division Multiple Access
TDS
Time Division Switching
TELSCAN
TELematic Standards and Coordination of ATT Systems in relation to
elderly and disabled travellers
TER
Technical basis for regulation
TERENA
Trans-European Research and Education Networking Association
TIA
Telecommunications Industry Association
TIDE
(formerly) Technology Initiative for Disabled and Elderly people and
Telematics for the Integration of Disabled and Elderly people
TINA-C
Telecommunications Intelligent Networking Architecture Consortium
TIST
Telecommunication Information Science. Universal Mobile Telephony
Technology System
TLD
Top Level Domain
TMA
Telecommunications Managers' Association
TPSA
Telekomunikacja Polska SA
TR
Token Ring
TRAC
Technical Recommendations Application Comittee
TSAG
Telecommunication Standardization Advisory Group
TSB
Telecommunications Standardization Board (ITU)
TTP
Trusted Third Party
TTY
Teletype(writer)
TUG
Telecommunication User Group
UAS
Universal Access System
DU
Universal Design
UDM
Unbundled Network Elements
UDRP
Uniform domain namedisputeResolution Policy (or Panel)
UM
Unified Messaging
UMTS
Universal Mobile Telecommunications System
UN/CE
United Nations Commission for Europe
UNL
Universal Networking Language
UPU
Universal Postal Union
URETS
Uniform Rules for Electronic Trade and Settlement
URI
Uniform Resource Identifier
URL
Uniform Resource Locator (WWW)
USB
Universal Serial Bus
USER
Usability Requirements Elaboration for Rehabilitation Technology (TIDE
project)
USI
Universal Services Issues
USISPA
US ISP Alliance
USTR
U.S. Trade Representative
UUCP
Unix-to-Unix Copy Protocol
UWCC
Universal Wireless Communications Consortium
VA
Validation Authority
VAN
Value Added Network
VATM
Verband der Telekommunikations- und Mehrwertdiensten
VDE
Verein Deutscher Elektroningenieure (Society of German Electrical
Engineers)
VDSL
Very High-speed Digital Subscriber Line
VDT
Visual Display Terminal
VDU
Visual Display Unit
VERONICA
Very Easy Rodent-Oriented Network Index to Computerized Archives
(Internet)
VISP
Virtual Internet Service Provider
VLIW
Very Long Instruction Word
VME
Virtual Machine Environment (a common industrial computer architecture)
VMO
Virtual Mobile Operators
VMS
Voice Messaging System
VOD
Video On Demand
VoDSL
Voice-over-DSL
VoIP
Voice-over Internet Protocol
VON
Voice Over the Net
VPN
Virtual Private Network
VPOP
Virtual Point-Of-Preference
VSAT
Very Small Aperture Terminal
W3C
World Wide Web Consortium
WAB
Web Accessibility for the Blin
WAI
Web Accessibility Initiative
WAIS
Wide Area Information Server
WAP
Wireless Application Protocol (Sometimes: Wait And Pray)
W-CDMA
Wide-band CDMA
WAI
Web Accessibility Initiative
WAP
Wireless Application Protocol
WARC
World Administrative Radio Conference
WASP
Wireless ASP
WATS
Wide Area Telecommunications Service
WBU
World Blind Union
W-CDMA
Wideband Code Division Multiple Access
WDM
Wave Division Multiplexing
WFD
World Federation of the Deaf
WHO
World Health Organisation
WIM
Wireless Identification Module
WIMP
Windows, Icons, Mouse, and Pull-down menus
WIPO
World Intellectual Property Organization
WIVA
Wireless Internet Venture Association
WLAN
Wireless Local Area Network
WLL
Wireless Local Loop
WLS
Wireless Location Services
WP
Working Paper
WPASET
Web Pago Accessibility Self-Evaluation TEst
WML
Wireless Markup Language
WP4
Work Program 4
WRC
World Radiocommunications Conference (branch of ITU)
WTC
World Trade Center
WTCA
World Trade Center Association
WTSC
World Telecommunication Standardization Conference (ITU)
WTO
World Trade Organization
xDSL
x-Type Digital Subscriber Line
XML
Extended Mark-up Language

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