| ## Select Technical Committees | |
| - 3GPP CN - Technical Specification Group - Core Networks | |
| - 3GPP CN 1 - MM/CC/SM (lu) | |
| - 3GPP CN 2 - CAMEL | |
| - 3GPP CN 3 - Interworking (with external networks) | |
| - 3GPP CN 4 - MAP/GTP/BCH/SS | |
| - 3GPP CN 5 - Open Service Access | |
| - 3GPP CN SS - Supplementary Services | |
| - 3GPP CT - Technical Specification Group Core Network and Terminals | |
| - 3GPP CT 1 - MM/CC/SM [lu] (formely CN1) | |
| - 3GPP CT 3 - Interworking with external networks (formely CN3) | |
| - 3GPP CT 4 - MAP/CAMEL/GTP/BCH/SS/TrFO/IMS/GUP/WLAN (formely CN4) | |
| - 3GPP CT 5 - OSA (formely CN5) | |
| - 3GPP CT 6 - Smart Card Application Aspects (formely T3) | |
| - 3GPP GERAN - Technical Specification Group - GSM/EDGE Radio Access Network | |
| - 3GPP GERAN 1 - Radio aspects | |
| - 3GPP GERAN 2 - Protocol aspects | |
| - 3GPP GERAN 3 - Base station testing and O&M | |
| - 3GPP GERAN 3new - Terminal Testing | |
| - 3GPP GERAN 4 - Terminal testing - Radio Aspects | |
| - 3GPP GERAN 5 - Terminal Testing - Protocol Aspects | |
| - 3GPP RAN - Technical Specification Group Radio Access Network | |
| - 3GPP RAN 1 - Radio layer 1 specification | |
| - 3GPP RAN 2 - Radio layer 2 specification and Radio layer 3 RR specification | |
| - 3GPP RAN 3 - lub specification, lur specification, lu specification and UTRAN & O&M | |
| - 3GPP RAN 4 - Specification for radio performance | |
| - 3GPP RAN 5 - Mobile Terminal Conformance Testing (formely T1) | |
| - 3GPP RAN 6 - Legacy RAN radio and protocol | |
| - 3GPP SA - Technical Specification Group Services and System Aspects | |
| - 3GPP SA 1 - Services | |
| - 3GPP SA 2 - Architecture | |
| - 3GPP SA 3 - Security | |
| - 3GPP SA 4 - Codec | |
| - 3GPP SA 5 - Telecom Management | |
| - 3GPP SA 6 - Mission-critical applications | |
| - 3GPP T 1 - Mobile Terminal Conformance testing | |
| - 3GPP T 2 - Mobile Terminal Services & Capabilities | |
| - 3GPP T 3 - Smart Card Application Aspects | |
| - AERO - Aeronautics | |
| - AFI - Autonomic network engineering for the self-managing Future Internet | |
| - ARF - Augmented Reality Framework | |
| - AT - Access and Terminals | |
| - AT Analogue - AT Analogue | |
| - AT Digital - AT Digital | |
| - AT Features - AT Features | |
| - AT Install - AT Task Group on Installations and Cabling | |
| - AT NGN@Home - AT Working Group on Home Networking | |
| - ATA - Analogue Terminals & Access | |
| - ATA-c - Conventional Technologies | |
| - ATM - Advanced Testing Methods | |
| - ATM 01 - Conformance Testing Methodologies | |
| - ATM 02 - Conformance Testing Environment | |
| - ATTM - Access, Terminals, Transmission and Multiplexing | |
| - ATTM AT2 - Infrastructure, Physical Networks & Communication Systems | |
| - ATTM AT3 - Integrated broadband cable and television networks | |
| - ATTM SDMC - Sustainable Digital Multiservice Communities | |
| - ATTM TM4 - Fixed Radio Systems | |
| - ATTM TM6 - Wireline Access Network Systems | |
| - BOARD - Board | |
| - BRAN - Broadband Radio Access Networks | |
| - BRAN 10 - RES 10 migrated WIs | |
| - BROADCAST - EBU/CENELEC/ETSI on Broadcasting | |
| - BT 01 - Private Networking Aspects | |
| - BT 02 - Subscriber Complex Installation | |
| - BTC - Business TeleCommunications | |
| - BTC 01 - Private Networking Aspects | |
| - BTC 02 - Subscriber Complex Installation | |
| - BTC 04 - Private Networking Aspects of High Speed Business Telecommunications | |
| - CABLE - Integrated broadband cable telecommunication networks | |
| - CABLE WG1 - Architecture, Interfaces, protocols | |
| - CABLE WG2 - HFC Distribution, Installation, Operational Best Practices | |
| - CABLE WG3 - Engineering, Efficiency and Sustainability | |
| - CABLE WG4 - Network, Fault, Monitoring and Performance Management and Test & Measu | |
| - CCM - intelligent Compound Content Management | |
| - CDM - european Common information sharing environment service and Data Model | |
| - CIM - cross-cutting Context Information Management | |
| - CLOUD - CLOUD | |
| - CN - Corporate Networks | |
| - CN 03 - CN-MOB: Mobility | |
| - CN 07 - CN-PERF: Performance | |
| - CYBER - Cyber Security | |
| - CYBER QSC - Quantum-Safe Cryptography | |
| - DECT - Digital Enhanced Cordless Telecommunications (DECT) | |
| - DECT 01 - GSM interworking | |
| - DECT 02 - Data applications | |
| - DECT 03 - Network aspects | |
| - DECT 04 - DECT Testing aspects | |
| - DECT 05 - Radio and speech experts | |
| - DECT 06 - Authentication module | |
| - DECT A - DECT Non Testing Aspects | |
| - DECT CI - Common Interface | |
| - DECT NewGen - DECT NewGeneration | |
| - DECT ULE - DECT-Ultra-Low-Energy | |
| - DECT URLLC - DECT-Ultra Reliable Low Latency Communications | |
| - DTA - Digital Terminals & Access | |
| - E2NA - End-to-End Network Architectures | |
| - E4P - Europe for Privacy-Preserving Pandemic Protection | |
| - EASI - ETSI Project ATM Services and Inter-operability | |
| - ECI - Embedded Common Interface for exchangeable CA/DRM solutions | |
| - Ecma - Standardizing information and communications systems | |
| - EE - Environmental Engineering | |
| - EE 01 - EE Environmental Conditions | |
| - EE 02 - EE Power Supply | |
| - EE 03 - Mechanical Structure | |
| - EE 04 - Electromagnetic Compatibility | |
| - EE EEPS - EE Eco Environmental Product Standards | |
| - EE M-ICT - Mobile ICT devices | |
| - EE TMG - EE Thermal Management Group | |
| - eHEALTH - eHEALTH | |
| - EMTEL - Emergency Communications | |
| - ENI - Experiential Networked Intelligence | |
| - ERM - EMC and Radio Spectrum Matters | |
| - ERM GSMOBA - ERM/MSG Joint group on GSM onboard aircraft | |
| - ERM JTFEA - JOINED TASK FORCE ERM AERO | |
| - ERM JWG CLC - Joint Working Group CENELEC 210 | |
| - ERM RP01 - Maritime Radio | |
| - ERM RP02 - Land Mobile Radio A | |
| - ERM RP04 - Land Mobile Radio B | |
| - ERM RP05 - Aeronautical Radio | |
| - ERM RP08 - Land Mobile Radio C | |
| - ERM RP11 - Radio Site Engineering | |
| - ERM TFES - Task Force for ERM and MSG for Harmonized Standards for IMT-2000 | |
| - ERM TG04 - ERM Automotive EMC | |
| - ERM TG11 - Wideband Data Systems | |
| - ERM TG13 - Cordless Telephony | |
| - ERM TG14 - Notification of Radio Interfaces under the Article 4.2 of R&TTE Direct | |
| - ERM TG17 - ERM Standards for PMSE and broadcast equipment/services | |
| - ERM TG17 WG1 - ERM Analogue and Digital Television | |
| - ERM TG17 WG2 - ERM Analogue and Digital Sound Broadcasting | |
| - ERM TG17 WG3 - ERM Radio Microphones, Cordless Audio and Audio Links | |
| - ERM TG17 WG4 - ERM Professional and Domestic Vision Links | |
| - ERM TG17 WG5 - ERM Active TV Reception | |
| - ERM TG20 - Equipment Integration | |
| - ERM TG23 - Close Range Inductive Data Communications | |
| - ERM TG25 - ERM Aeronautical | |
| - ERM TG27 - ERM Radio Site Engineering | |
| - ERM TG28 - ERM Generic SRD's | |
| - ERM TG29 - ERM Road Transport & Telematics (Joint with CEN TC 278) | |
| - ERM TG30 - ERM Wireless Medical Devices | |
| - ERM TG31A - ERM Ultra Wide Band for Short Range Devices | |
| - ERM TG31C - Ultra Wide Band Sensors | |
| - ERM TG32 - ERM PMR | |
| - ERM TG33 - ERM Measurement methods and their Uncertainties | |
| - ERM TG34 - ERM RF Identification Devices | |
| - ERM TG36 - ERM Avalanche Beacons | |
| - ERM TG37 - ERM Intelligent Transport Systems | |
| - ERM TG38 - CDMA PAMR | |
| - ERM TG39 - Code Division Multiple Access (CDMA) | |
| - ERM TG41 - Wireless Industrial Applications | |
| - ERM TG5 - Maritime EMC Standards for Global Application | |
| - ERM TG8 - Study re: the interference potential of CB radio at 27 MHz | |
| - ERM TGAERO - Aeronautics | |
| - ERM TGDMR - Digital Mobile Radio | |
| - ERM TGMARINE - ERM Maritime and radio amateur activities | |
| - ERM TGRx - Receiver parameters | |
| - ERM TGSRR - ERM Automotive and surveillance radar | |
| - ERM TGTLPR - Tank Level Probing Radar | |
| - ERM TGUWB - Ultra Wide Band | |
| - ERM WGEMC - ERM Electromagnetic Compatibility | |
| - ERM WGRM - ERM Radio Matters | |
| - ESI - Electronic Signatures and Trust Infrastructures | |
| - ETI - Encrypted Traffic Integration | |
| - F5G - Fifth Generation Fixed Network | |
| - GA - General Assembly | |
| - HF - Human Factors | |
| - HF 01 - Telecommunication Services | |
| - HF 02 - People with Special Needs | |
| - HF 03 - Usability Evaluation | |
| - ICC - Integrated Circuit(s) Cards | |
| - IMCC - ISDN Management and Coordination Committee | |
| - INS - Identity and access management for Networks and Services | |
| - INT - Core Network and Interoperability Testing | |
| - INT AFI - Evolution of Management towards Autonomic Future Internet | |
| - IP6 - IPv6 integration | |
| - IPE - IPv6 Enhanced innovation | |
| - IPRC - Intellectual Property Rights Committee | |
| - ISI - Information Security Indicators | |
| - ISM - ISDN Standards Management | |
| - ITS - Intelligent Transport Systems | |
| - ITS WG1 - Application Requirements and Services | |
| - ITS WG2 - Architecture and Cross Layer | |
| - ITS WG3 - Transport and Network | |
| - ITS WG4 - Media and Medium related | |
| - ITS WG5 - Security | |
| - LI - Lawful Interception | |
| - LIS - Localisation Industry Standards | |
| - LTN - Low Throughput Networks | |
| - MBC - Mobile and Broadcast Convergence | |
| - MCD - Media Content Distribution | |
| - MCD CDN-I - MCD CDN Interconnection | |
| - M-COMM - Mobile Commerce | |
| - M-COMM 02 - Payment and security aspects | |
| - MEC - Multi-access Edge Computing | |
| - MEC DECODE - Deployment and ECOsystem DEvelopment | |
| - MEC IEG - Industry Enabling Group | |
| - MESA SA - MESA Services and Applications | |
| - MESA SYS - MESA System | |
| - MMG - Multimedia Management Group | |
| - MOI - Measurement Ontology for IP traffic | |
| - MSG - Mobile Standards Group | |
| - MSG EVAL - Evaluation | |
| - MSG GSM - Working Group for GSM | |
| - MSG TFES - Task Force for European Standards for IMT-2000 | |
| - MTA - Multimedia Terminals & Applications | |
| - MTA 01 - Multimedia Terminal Application Architecture | |
| - MTA 03 - Services Integration & Interworking | |
| - MTA 04 - Co-operative Document Handling & File Transfer | |
| - MTC - Mobile Thin Client | |
| - MTS - Methods for Testing & Specification | |
| - MTS 01 - Conformance Testing Methodologies | |
| - MTS 02 - Conformance Testing Environment | |
| - MTS IPT - IP Testing Group | |
| - MTS TDL - Test Description Language | |
| - MTS TST - Testing | |
| - mWT - millimetre Wave Transmission | |
| - NA - Network Aspects | |
| - NA 01 - User Interfaces, Services and Charging | |
| - NA 02 - Numbering, Addressing, Routeing & Interworking | |
| - NA 04 - Network Architecture, Operations, Maintenance, Principle & Performance | |
| - NA 05 - Broadband Networks | |
| - NA 06 - Network Intelligence and Universal Mobility | |
| - NA 07 - Universal Personal Telecommunications | |
| - NA 08 - Architecture, Interworking and Interconnection and GII/Internet | |
| - NFV - Network Functions Virtualisation | |
| - NFV EVE - Evolution and Ecosystem | |
| - NFV IFA - Interfaces and Architecture | |
| - NFV INF - Architecture of the Virtualisation Infrastructure | |
| - NFV MAN - Management & Orchestration | |
| - NFV PER - Performance & Portability | |
| - NFV REL - Reliability & Availability | |
| - NFV SEC - Security | |
| - NFV SOL - Solutions | |
| - NFV SWA - Software Architecture | |
| - NFV TST - Testing, Implementation, and Open Source Working Group | |
| - NGP - Next Generation Protocols | |
| - NIN - Non-IP Networking | |
| - NTECH - Network Technologies | |
| - NTECH AFI - Evolution of Management towards Autonomic Future Internet | |
| - OCG - Operational Co-ordination Group | |
| - OCG ECN&S - Electronic Communications Networks & Services | |
| - OCG eHealth - eHealth Starter Group | |
| - OCG EMTEL - OCG ad-hoc group on Emergency Telecommunications | |
| - OEU - Operational energy Efficiency for Users | |
| - oneM2M - oneM2M | |
| - ORI - Open Radio equipment Interface | |
| - OSG - Open Smart Grid | |
| - PDL - Permissioned Distributed Ledger | |
| - PLT - Powerline Telecommunications | |
| - PS 01 - Services and Facilities | |
| - PS 02 - ERMES Radio Sub-System | |
| - PS 03 - Network Aspects of ERMES | |
| - PTS - Pay Terminals & Systems | |
| - QKD - Quantum Key Distribution | |
| - QSC - Quantum Safe Cryptography | |
| - RES - Radio Equipment & Systems | |
| - RES 01 - Maritime Mobile | |
| - RES 02 - Land Mobile | |
| - RES 03 - DECT | |
| - RES 04 - Paging Systems | |
| - RES 05 - Terrestrial Flight Telecommunication System | |
| - RES 07 - DSRR | |
| - RES 08 - Low Power Devices | |
| - RES 09 - EMC | |
| - RES 10 - Radio LAN | |
| - RES 11 - Radio Site Engineering | |
| - RIS - Reconfigurable Intelligent Surfaces | |
| - RRS - Reconfigurable Radio Systems | |
| - RRS 01 - RRS System Aspects & Cognitive functionalities | |
| - RRS 02 - REA - Reconfigurable Radio Equipment Architecture | |
| - RRS 03 - RRS Security, Certification & Declaration of Conformity | |
| - RRS 04 - Civil Security & Inter-Domain Synergies | |
| - RT - Railway telecommunications | |
| - RT EGSM-R - Extended-GSM-R | |
| - RT JTFIR - Joint Task Force ITS RT | |
| - SAFETY - Safety | |
| - SAFETY WGRADIO - Safety Working Group RADIO | |
| - SAGE - Security Algorithms Group of Experts | |
| - SAI - Securing Artificial Intelligence TC | |
| - SAI_ISG - Securing Artificial Intelligence | |
| - SEC - Security | |
| - SEC ESI - Electronic Signatures and Infrastructure | |
| - SEC LI - Lawful Interception | |
| - SES - Satellite Earth Stations & Systems | |
| - SES 02 - RF and IF Equipment | |
| - SES 03 - Interaction & Control Monitoring Functions | |
| - SES 04 - TV and Sound Programmes Equipment | |
| - SES 05 - E/S for Mobile Services | |
| - SES AES - SES WG on Aeronautical Satellite Earth Stations | |
| - SES ASSC - Autonomous Satellite Signalling Channel | |
| - SES BSM - SES Broadband Satellite Multimedia | |
| - SES ECSS - SES WG on European Co-operation for Space Standardisation | |
| - SES GMR - SES WG on the GEO Mobile Radio Interfaces | |
| - SES GSO S-PCN - WG on GSO S-PCN | |
| - SES HARM - SES WG on R&TTE dir. 99/5/EC and and RED dir. 2014/53/EU | |
| - SES KA-BAND - WG on Ka Band Earth Stations | |
| - SES Ku-Band AES - SES WG on Ku-Band Satellite Aircraft Earth Stations | |
| - SES MAR ESV - Maritime & Railways Satellite Earth Stations on Board Vessels & Trains | |
| - SES MSS - SES WG on Mobile Satellite Systems | |
| - SES SatEC - Satellite Emergency Communications | |
| - SES SCN - Satellite Communications and Navigation | |
| - SES SDR - SES Satellite Digital Radio | |
| - SES S-UMTS - SES WG on the Satellite Component of UMTS/IMT-2000 | |
| - SET - Secure Element Technologies | |
| - SET REQ - SET-REQ | |
| - SET TEC - SET-TEC | |
| - SET TEST - SET TEST | |
| - SmartBAN - Smart Body Area Network | |
| - SmartM2M - Smart M2M | |
| - SMG - Special Mobile Group | |
| - SMG 01 - Services & Facilities | |
| - SMG 02 - Radio | |
| - SMG 03 - Network Aspects | |
| - SMG 04 - Data Services | |
| - SMG 05 - Universal Mobile Telecommunications System | |
| - SMG 06 - Operations & Maintenance | |
| - SMG 07 - Mobile Station (MS) Testing | |
| - SMG 08 - Base Station System (BSS) Testing (GSM 11.20) | |
| - SMG 09 - IC Card Aspects | |
| - SMG 10 - Security Group | |
| - SMG 11 - Speech Aspects | |
| - SMG 12 - System Architecture | |
| - SMT - Surface Mount Technique | |
| - SPAN - Services and Protocols for Advanced Networks | |
| - SPAN 01 - Network Signalling | |
| - SPAN 02 - Numbering/Addressing, Routeing and Services | |
| - SPAN 02 WP2 - ISDN/PSTN and IN services and mobility | |
| - SPAN 03 - IN protocols | |
| - SPAN 05 1 - Basic call control protocols | |
| - SPAN 05 3 - Conformance testing | |
| - SPAN 05 4 - Supplementary services | |
| - SPAN 05 5 - B-ISDN, layer 3 | |
| - SPAN 06 - Network Intelligence and Universal Mobility | |
| - SPAN 06 1 - Service modelling | |
| - SPAN 06 4 (SG) - Security | |
| - SPAN 06 5 (UMTS) - UMTS task force | |
| - SPAN 06 SPAR - Service Provider Access Requirements | |
| - SPAN 08 - Architecture, interworking and interconnection, GII/Internet | |
| - SPAN 09 - Access Networks and Service Node Interfaces | |
| - SPAN 11 - SPAN Services, Applications, Numbering, Naming and Addressing (SANNA) | |
| - SPAN 12 - Applications Interfaces for Service Providers and Network Operators | |
| - SPAN 13 - SPAN Peer-to-Peer Control Protocol (PTPCP) | |
| - SPAN 14 - SPAN Overall Network and System Architecture (ONSA) | |
| - SPAN 15 - SPAN Network Management | |
| - SPS - Signalling Protocols | |
| - SPS 01 - Network Signalling | |
| - SPS 02 - Signalling Network & Mobility Applications | |
| - SPS 02 A - Co-ordination matters and TC | |
| - SPS 02 B - Supporting protocols and S-AAL | |
| - SPS 02 D - OMAP | |
| - SPS 03 - IN protocols | |
| - SPS 03 1 - Broadband Switching | |
| - SPS 03 3 - Technical Parameters | |
| - SPS 03 4 - Intelligent Network | |
| - SPS 05 - Digital access signalling | |
| - SPS 05 1 - Basic Call Control Protocols | |
| - SPS 05 3 - Conformance Testing | |
| - SPS 05 4 - Supplementary Services | |
| - SPS 05 5 - Broadband ISDN, Layer 3 | |
| - SPS 09 - Access Networks and Service Node Interfaces | |
| - STQ - Speech and multimedia Transmission Quality | |
| - STQ AURORA - STQ Aurora Project | |
| - STQ MOBILE - STQ Mobile | |
| - TCCE - TETRA and Critical Communications Evolution | |
| - TCCE 01 - TCCE User Requirements / Services | |
| - TCCE 02 - Air Interface / Radio aspects | |
| - TCCE 03 - TCCE Air Interface and Network Protocols | |
| - TCCE 04 - TCCE High Speed Data | |
| - TCCE 05 - TCCE Voice coding | |
| - TCCE 06 - TCCE Security | |
| - TCCE 07 - SIM Card | |
| - TCCE 08 - TCCE Off-network services | |
| - TCCE 4 close - Packet Data Optimised | |
| - TE - Terminal Equipment | |
| - TE 01 - Telematics: Videotex and Multimedia Information Retrieval Services | |
| - TE 02 - Telematics: Facsimile, Document Handling and Transfer | |
| - TE 04 - Audiovisual and Voice Terminals | |
| - TE 05 - General Terminal Access Requirements | |
| - TE 06 - Directory Systems | |
| - TE 07 - Lower Layer Protocols | |
| - TE 09 - Card Terminal | |
| - TE 10 - Multimedia Management Group | |
| - THz - TeraHertz technology | |
| - TIPHON - Telecommunications and Internet Protocol Harmonization Over Networks | |
| - TIPHON 01 - TIPHON Requirements, charging and security matters | |
| - TIPHON 02 - TIPHON Architecture models and interfaces | |
| - TIPHON 03 - TIPHON Call control matters | |
| - TIPHON 04 - TIPHON Naming and address translation issues | |
| - TIPHON 05 - TIPHON Quality of service aspects | |
| - TIPHON 06 - TIPHON Verification, demonstration and implementation matters | |
| - TIPHON 07 - TIPHON Wireless and Mobility aspects (DORMANT) | |
| - TIPHON 08 - TIPHON Security | |
| - TISPAN - Telecoms & Internet converged Services & Protocols for Advanced Networks | |
| - TISPAN 01 - TISPAN Services | |
| - TISPAN 02 - TISPAN Architecture | |
| - TISPAN 03 - TISPAN Protocols | |
| - TISPAN 04 - TISPAN Numbering Addressing and routing | |
| - TISPAN 05 - TISPAN NGN Home Networking | |
| - TISPAN 05 - TISPAN QoS | |
| - TISPAN 06 - TISPAN Testing | |
| - TISPAN 07 - TISPAN Security | |
| - TISPAN 08 - TISPAN Network Management | |
| - TM - Transmission & Multiplexing | |
| - TM 01 - TM Core networks, fibres and cables | |
| - TM 01 1 - TM Cabled fibres and passive optical components | |
| - TM 01 3 - TM Transport Equipment, Systems and Interfaces | |
| - TM 02 - Transmission Networks Management, Performance | |
| - TM 03 - Interfaces, architecture and functional requirements of transport networks | |
| - TM 04 - TM Fixed Radio Systems | |
| - TM 04 1 - TM Point-to-Point Systems | |
| - TM 04 2 - TM Point-to-Multipoint Systems | |
| - TM 04 4 - TM Antennas | |
| - TM 05 - Coding Speech Processing & Associated Network Issues | |
| - TM 06 - TM Access Networks | |
| - TMN - Telecommunications Management Network | |
| - TMN 02 - Transport and Access Network Management | |
| - TMN 03 - Generic Modelling | |
| - TMN ASM - Access Switching Management | |
| - TMN GOM - Generic Objects Modelling | |
| - TRAC - Technical Recommendations Applications Committee | |
| - UMTS - Universal Mobile Telecommunications Systems | |
| - USER - User Group | |
| - ZSM - Zero-touch network and Service Management | |
| ## Select Standard Types | |
| - EN - European Standard (Telecommunications series) | |
| - ES - ETSI Standard | |
| - EG - ETSI Guide | |
| - TS - Technical Specification | |
| - GS - Group Specification | |
| - TR - Technical Report | |
| - SR - Special Report | |
| - ETS - European Telecommunication Standard | |
| - I-ETS - Interim ETS | |
| - TBR - Technical Basis for Regulation | |
| - NET - Norme Européenne de Télécommunication | |
| - GTS - GSM Technical Specification | |
| - ETR - ETSI Technical Report | |
| - TCRTR - Technical Committee Reference Technical Report | |
| - GR - Group report |