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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+); Universal Mobile Telecommunications System (UMTS); Multimedia priority service (3GPP TS 22.153 version 8.2.0 Release 8)
Standard published on 7.10.2008
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Multimedia priority service (3GPP TS 22.153 version 9.2.0 Release 9)
Standard published on 21.1.2010
Selected format:5G; Mobile Metaverse Services (3GPP TS 22.156 version 19.1.0 Release 19)
Standard published on 22.1.2026
Selected format:5G; Mobile Metaverse Services (3GPP TS 22.156 version 19.2.0 Release 19)
Standard published on 1.7.2026
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Earthquake and Tsunami Warning System (ETWS) requirements (3GPP TS 22.168 version 8.1.0 Release 8)
Standard published on 9.1.2009
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Earthquake and Tsunami Warning System (ETWS) requirements; Stage 1 (3GPP TS 22.168 version 8.2.0 Release 8)
Standard published on 20.3.2012
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Earthquake and Tsunami Warning System (ETWS) requirements; Stage 1 (3GPP TS 22.168 version 8.3.0 Release 8)
Standard published on 10.1.2013
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1 (3GPP TS 22.173 version 10.3.0 Release 10)
Standard published on 7.4.2011
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1 (3GPP TS 22.173 version 10.4.0 Release 10)
Standard published on 17.1.2012
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1 (3GPP TS 22.173 version 10.5.0 Release 10)
Standard published on 10.7.2012
Selected format:Latest update: 2026-09-09 (Number of items: 2 300 143)
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