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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.
LTE; Technical Specifications and Technical Reports for an Evolved Packet System (EPS) based 3GPP system (3GPP TS 21.201 version 9.0.0 Release 9)
WITHDRAWN published on 22.4.2010
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Technical Specifications and Technical Reports relating to the Common IP Multimedia Subsystem (IMS) (3GPP TS 21.202 version 10.3.0 Release 10)
WITHDRAWN published on 23.4.2013
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Technical Specifications and Technical Reports relating to the Common IP Multimedia Subsystem (IMS) (3GPP TS 21.202 version 11.0.0 Release 11)
WITHDRAWN published on 23.4.2013
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Technical Specification Group working methods (3GPP TR 21.900 version 11.0.0 Release 11)
WITHDRAWN published on 30.1.2012
Selected format:Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 5.0.0 Release 5)
WITHDRAWN published on 27.6.2002
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 6.1.0 Release 6)
WITHDRAWN published on 31.12.2003
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 7.0.0 Release 7)
WITHDRAWN published on 31.12.2004
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); International Mobile Equipment Identities (IMEI) (3GPP TS 22.016 version 7.0.0 Release 7)
WITHDRAWN published on 31.12.2006
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Man-Machine Interface (MMI) of the User Equipment (UE) (3GPP TS 22.030 version 6.0.0 Release 6)
WITHDRAWN published on 28.1.2005
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Call Forwarding (CF) supplementary services - Stage 1 (3G TS 22.082 version 3.0.1 Release 1999)
WITHDRAWN published on 28.1.2000
Selected format:Latest update: 2026-01-16 (Number of items: 2 254 749)
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