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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); Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 (3GPP TS 24.083 version 4.0.0 Release 4)
WITHDRAWN published on 31.3.2001
Selected format:Universal Mobile Telecommunications System (UMTS); Multi Party (MPTY) supplementary service - Stage 3 (3GPP TS 24.084 version 4.0.0 Release 4)
WITHDRAWN published on 31.3.2001
Selected format:Universal Mobile Telecommunications System (UMTS); Closed User Group (CUG) supplementary service - Stage 3 (3GPP TS 24.085 version 4.0.0 Release 4)
WITHDRAWN published on 31.3.2001
Selected format:Universal Mobile Telecommunications System (UMTS); Advice of Charge (AOC) supplementary services - Stage 3 (3GPP TS 24.086 version 4.0.0 Release 4)
WITHDRAWN published on 31.3.2001
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); User-to-User Signalling (UUS) Supplementary Service - Stage3 (3GPP TS 24.087 version 4.0.0 Release 4)
WITHDRAWN published on 31.3.2001
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Call Barring (CB) Supplementary Service - Stage3 (3GPP TS 24.088 version 4.0.0 Release 4)
WITHDRAWN published on 31.3.2001
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Unstructured Supplementary Service Data (USSD) - Stage 3 (3GPP TS 24.090 version 4.0.0 Release 4)
WITHDRAWN published on 31.3.2001
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) supplementary service - Stage 3 (3GPP TS 24.091 version 4.0.0 Release 4)
WITHDRAWN published on 31.3.2001
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Completion of calls to Busy Subscriber (CCBS) - Stage 3 (3GPP TS 24.093 version 4.0.0 Release 4)
WITHDRAWN published on 31.3.2001
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Name identification supplementary services - Stage 3 (3GPP TS 24.096 version 4.0.0 Release 4)
WITHDRAWN published on 31.3.2001
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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