Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface layer 3 supplementary services specification; Formats and coding (GSM 04.80 version 5.1.1)

Die Norm herausgegeben am 31.7.1998

Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface layer 3 supplementary services specification; Formats and coding (GSM 04.80 version 5.2.1)

Die Norm herausgegeben am 30.10.1998

Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface layer 3 supplementary services specification; Formats and coding (GSM 04.80 version 5.3.1 Release 1996)

Die Norm herausgegeben am 21.7.1999

Digital cellular telecommunications system; Line identification supplementary services; Stage 3 (GSM 04.81 version 5.0.1)

Die Norm herausgegeben am 30.5.1997

Digital cellular telecommunications system (Phase 2+) (GSM); Line identification supplementary services; Stage 3 (GSM 04.81 version 6.0.1 Release 1997)

Die Norm herausgegeben am 1.9.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Line identification supplementary services; Stage 3 (GSM 04.81 version 7.0.1 Release 1998)

Die Norm herausgegeben am 12.1.2000

Digital cellular telecommunications system; Call Forwarding (CF) supplementary services; Stage 3 (GSM 04.82 version 5.0.1)

Die Norm herausgegeben am 30.5.1997

Digital cellular telecommunications system (Phase 2+) (GSM); Call Forwarding (CF) supplementary services; Stage 3 (GSM 04.82 version 6.0.1 Release 1997)

Die Norm herausgegeben am 1.9.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Call Forwarding (CF) supplementary services; Stage 3 (GSM 04.82 version 7.0.2 Release 1998)

Die Norm herausgegeben am 14.12.1999

Digital cellular telecommunications system; Call Waiting (CW) and Call Hold (HOLD) supplementary services; Stage 3 (GSM 04.83 version 5.0.1)

Die Norm herausgegeben am 30.5.1997