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ČSN is a protected designation of Czech national technical standards.
Digital cellular telecommunications system (Phase 2+) - Voice Group Call Service (VGCS) - Stage 2 (GSM 03.68 version 5.2.1)
Standard published on 1.8.1998
Selected format:Digital cellular telecommunications system (Phase 2+) - Voice Group Call Service (VGCS) - Stage 2 (GSM 03.68 version 5.3.1)
Standard published on 1.5.1999
Selected format:Digital cellular telecommunications system (Phase 2+) - Voice Group Call Service (VGCS) - Stage 2 (GSM 03.68 version 5.4.1)
Standard published on 1.8.1999
Selected format:Digital cellular telecommunications system (Phase 2+) - Voice Group Call Service (VGCS) - Stage 2 (GSM 03.68 version 5.5.1)
Standard published on 1.1.2000
Selected format:Digital cellular telecommunications system (Phase 2+) - Voice Broadcast Service (VBS) - Stage 2 (GSM 03.69 version 5.1.2)
Standard published on 1.7.1998
Selected format:Digital cellular telecommunications system (Phase 2+) - Voice Broadcast Service (VBS) - Stage 2 (GSM 03.69 version 5.2.1)
Standard published on 1.8.1998
Selected format:Digital cellular telecommunications system (Phase 2+) - Voice Broadcast Service (VBS) - Stage 2 (GSM 03.69 version 5.3.1)
Standard published on 1.5.1999
Selected format:Digital celliular telecommunications system (Phase 2+) - Voice Broadcast Service (VBS) - Stage 2 (GSM 03.69 version 5.4.1)
Standard published on 1.12.1999
Selected format:Digital celliular telecommunications system (Phase 2+) - Voice Broadcast Service (VBS) - Stage 2 (GSM 03.69 version 5.5.1)
Standard published on 1.1.2000
Selected format:Digital cellular telecommunications system - Advice of Charge (AoC) supplementary services - Stage 2 (GSM 03.86 version 5.0.1)
Standard published on 1.7.1998
Selected format:Latest update: 2026-02-23 (Number of items: 2 263 409)
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