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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); Group Call Control (GCC) protocol (GSM 04.68 version 6.3.0 Release 1997)
Standard published on 26.5.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Group Call Control (GCC) protocol (GSM 04.68 version 7.2.0 Release 1998)
Standard published on 26.5.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Group Call Control (GCC) protocol (GSM 04.68 version 8.1.0 Release 1999)
Standard published on 26.5.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Broadcast Call Control (BCC) protocol (GSM 04.69 version 5.5.0 Release 1996)
Standard published on 26.5.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Broadcast Call Control (BCC) protocol (GSM 04.69 version 6.3.0 Release 1997)
Standard published on 26.5.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Broadcast Call Control (BCC) protocol (GSM 04.69 version 7.2.0 Release 1998)
Standard published on 26.5.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Broadcast Call Control (BCC) protocol (GSM 04.69 version 8.1.0 Release 1999)
Standard published on 26.5.2000
Selected format:Digital cellular telecommunications system (Phase 2+); Mobile Radio Interface Layer 3 - Supplementary services specification formats and coding (3GPP TS 04.80 version 6.1.2 Release 1997)
Standard published on 30.9.2003
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface layer 3 supplementary services specification; Formats and coding (GSM 04.80 version 7.0.1 Release 1998)
Standard published on 30.7.1999
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface layer 3 supplementary services specification; Formats and coding (GSM 04.80 version 7.1.0 Release 1998)
Standard published on 17.1.2000
Selected format:Latest update: 2026-04-01 (Number of items: 2 270 267)
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