Digital cellular telecommunications system (Phase 2+) (GSM); Call Waiting (CW) and Call Holding (HOLD); Supplementary Services - Stage 1 (GSM 02.83 version 7.0.0 Release 1998)

Standard published on 13.8.1999

Digital cellular telecommunications system (Phase 2+) (GSM); MultiParty (MPTY) Supplementary Services - Stage 1 (GSM 02.84 version 6.0.0 Release 1997)

Standard published on 29.4.1999

Digital cellular telecommunications system (Phase 2+) (GSM); MultiParty (MPTY) Supplementary Services - Stage 1 (GSM 02.84 version 7.0.0 Release 1998)

Standard published on 13.8.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Closed User Group (CUG) Supplementary Services - Stage 1 (GSM 02.85 version 6.0.0 Release 1997)

Standard published on 22.1.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Closed User Group (CUG) Supplementary Services - Stage 1 (GSM 02.85 version 7.0.0 Release 1998)

Standard published on 13.8.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Advice of Charge (AoC) Supplementary Services - Stage 1 (GSM 02.86 version 6.0.0 Release 1997)

Standard published on 22.1.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Advice of Charge (AoC) Supplementary Services - Stage 1 (GSM 02.86 version 7.0.0 Release 1998)

Standard published on 13.8.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Call Barring (CB) Supplementary Services - Stage 1 (GSM 02.88 version 6.0.0 Release 1997)

Standard published on 22.1.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Call Barring (CB) Supplementary Services - Stage 1 (GSM 02.88 version 7.0.0 Release 1998)

Standard published on 13.8.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Network functions (GSM 03.01 version 6.0.0 Release 1997)

Standard published on 29.4.1999