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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); Handover Requirements between UMTS and GSM or other Radio Systems (3G TS 22.129 version 3.3.0 Release 1999)
Standard published on 22.6.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Handover Requirements between UMTS and GSM or other Radio Systems (3GPP TS 22.129 Release 1999)
Standard published on 31.10.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Handover Requirements between UTRAN and GERAN or other Radio Systems (3GPP TS 22.129 version 3.5.0 Release 1999)
Standard published on 31.1.2001
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Handover requirements between UTRAN and GERAN or other radio systems (3GPP TS 22.129 version 3.6.0 Release 1999)
Standard published on 31.12.2001
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Handover Requirements between UTRAN and GERAN or other Radio Systems (3GPP TS 22.129 version 4.2.0 Release 4)
Standard published on 31.3.2001
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Handover Requirements between UTRAN and GERAN or other Radio Systems (3GPP TS 22.129 version 4.3.0 Release 4)
Standard published on 24.7.2001
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Handover requirements between UTRAN and GERAN or other radio systems (3GPP TS 22.129 version 4.4.0 Release 4)
Standard published on 31.12.2001
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Handover requirements between UTRAN and GERAN or other radio systems (3GPP TS 22.129 version 5.1.0 Release 5)
Standard published on 11.6.2002
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Handover requirements between UTRAN and GERAN or other radio systems (3GPP TS 22.129 version 5.2.0 Release 5)
Standard published on 30.6.2002
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Handover requirements between UTRAN and GERAN or other radio systems (3GPP TS 22.129 version 6.1.0 Release 6)
Standard published on 28.1.2005
Selected format:Latest update: 2026-07-05 (Number of items: 2 286 116)
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