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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); Packet Data on Signalling channels service (PDS); Stage 3 (GSM 04.63)
Standard published on 30.5.1996
Selected format:European digital cellular telecommunications system (Phase 1); Mobile radio interface layer 3; Supplementary services specification; Formats and coding (GSM 04.80)
Standard published on 1.1.1995
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface layer 3; Supplementary services specification; Formats and coding (GSM 04.80)
Standard published on 30.8.1996
Selected format:European digital cellular telecommunications system (Phase 1); Mobile Radio Interface Layer 3; Call Offering Supplementary Services Specification (GSM 04.82)
Standard published on 1.1.1995
Selected format:Digital cellular telecommunications system; Closed User Group (CUG) supplementary services; Stage 3 (GSM 04.85)
Standard published on 15.12.1996
Selected format:European digital cellular telecommunications system (Phase 1); Mobile Radio Interface Layer 3; Call Offering Supplementary Services Specification (GSM 04.88)
Standard published on 1.1.1995
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Explicit Call Transfer (ECT) supplementary service; Stage 3 (GSM 04.91)
Standard published on 15.2.1996
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Explicit Call Transfer (ECT) supplementary service; Stage 3 (GSM 04.91)
Standard published on 30.3.1996
Selected format:Digital Enhanced Cordless Telecommunications (DECT); Integrated Services Digital Network (ISDN); Attachment requirements for terminal equipment for DECT/ISDN interworking profile applications
Standard published on 30.6.1998
Selected format:Universal Personal Telecommunication (UPT); Phase 1; Requirements on Information Flows (IFs) and protocols
Standard published on 30.9.1995
Selected format:Latest update: 2026-01-16 (Number of items: 2 254 749)
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