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DIN EN 300959 V 8.1.2
Digital cellular telecommunications system (Phase 2+) â Modulation (GSM 05.04 version 8.1.2 Release 1999)
DIN EN 300958 V 7.0.1
Digital cellular telecommunications system (Phase 2+) â Explicit Call Transfer (ECT) supplementary service â Stage 3 (GSM 04.91 version 7.0.1 Release 1998)
DIN EN 300957 V 7.0.1
Digital cellular telecommunications system (Phase 2+) â Unstructured Supplementary Service Data (USSD) â Stage 3 (GSM 04.90 version 7.0.1 Release 1998)
DIN EN 300955 V 7.0.1
Digital cellular telecommunications system (Phase 2+) â Advice of Charge (AoC) supplementary services â Stage 3 (GSM 04.86 version 7.0.1 Release 1998)
DIN EN 300954 V 7.0.1
Digital cellular telecommunications system (Phase 2+) â Multi Party (MPTY) supplementary services â Stage 3 (GSM 04.84 version 7.0.1 Release 1998)
DIN EN 300953 V 7.0.1
Digital cellular telecommunications system (Phase 2+) â Call Waiting (CW) and Call Hold (HOLD) supplementary services â Stage 3 (GSM 04.83 version 7.0.1 Release 1998)
DIN EN 300952 V 7.0.2
Digital cellular telecommunications system (Phase 2+) â Call Forwarding (CF) supplementary services â Stage 3 (GSM 04.82 version 7.0.2 Release 1998)
DIN EN 300951 V 7.0.1
Digital cellular telecommunications system (Phase 2+) â Line identification supplementary services â Stage 3 (GSM 04.81 version 7.0.1 Release 1998)
DIN EN 300949 V 8.0.1
Digital cellular telecommunications system (Phase 2+) â Broadcast Call Control (BCC) protocol (GSM 04.69 version 8.0.1 Release 1999)
DIN EN 300948 V 8.0.1
Digital cellular telecommunications system (Phase 2+) â Group Call Control (GCC) protocol (GSM 04.68 version 8.0.1 Release 1999)