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ETSI - European Telecommunication Standard Institute(ETSI) produces globally-applicable standards for information and telecommunication technologies (ICT) including land, mobile, radio, converged, broadcast and internet technologies.
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Release description; Release 14 (3GPP TR 21.914 version 14.0.0 Release 14)
Standard published on 28.6.2018
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Release description; Release 15 (3GPP TR 21.915 version 15.0.0 Release 15)
Standard published on 16.10.2019
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Release 16 Description; Summary of Rel-16 Work Items (3GPP TR 21.916 version 16.0.1 Release 16)
Standard published on 14.9.2021
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Release 16 Description; Summary of Rel-16 Work Items (3GPP TR 21.916 version 16.1.0 Release 16)
Standard published on 26.1.2022
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM) ;Universal Mobile Telecommunications System(UMTS) ;LTE ;5G ; Release 16 Description; Summary of Rel-16 Work Items (3GPP TR 21.916 version 16.2.0 Release 16)
Standard published on 18.7.2022
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Release 17 Description; Summary of Rel-17 Work Items (3GPP TR 21.917 version 17.0.1 Release 17)
Standard published on 20.1.2023
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Release 18 Description; Summary of Rel-18 Work Items (3GPP TR 21.918 version 18.0.0 Release 18)
Standard published on 11.4.2025
Selected format:Universal Mobile Telecommunications System (UMTS); Feasibility Technical Report - CAMEL Control of VoIP Services (3G TR 21.978 version 3.0.0 Release 1999)
Standard published on 22.6.2000
Selected format:Network Aspects (NA); Connectionless Broadband Data Service (CBDS) CBDS over Asynchronous Transfer Mode (ATM)
Standard published on 1.3.1994
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Principles of circuit telecommunication services supported by a Public Land Mobile Network (PLMN) (3GPP TS 22.001 version 10.0.0 Release 10)
Standard published on 18.5.2011
Selected format:Latest update: 2026-06-29 (Number of items: 2 284 476)
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