## 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