European digital cellular telecommunications system (Phase 2); Closed User Group (CUG) supplementary services; Stage 1 (GSM 02.85)
Document status: Active
Digital cellular telecommunications system (Phase 2) (GSM); Closed User Group (CUG) supplementary services; Stage 1 (GSM 02.85)
Document status: Active
European digital cellular telecommunications system (Phase 2); Advice of Charge (AoC) supplementary services; Stage 1 (GSM 02.86)
Document status: Active
Digital cellular telecommunications system (Phase 2) (GSM); Advice of Charge (AoC) supplementary services; Stage 1 (GSM 02.86)
Document status: Active
European digital cellular telecommunications system (Phase 2); Call Barring (CB) supplementary services; Stage 1 (GSM 02.88)
Document status: Active
Digital cellular telecommunications system (Phase 2) (GSM); Call Barring (CB) supplementary services; Stage 1 (GSM 02.88)
Document status: Active
European digital cellular telecommunications system (Phase 2); Network functions (GSM 03.01)
Document status: Active
European digital cellular telecommunications system (Phase 2); Network architecture (GSM 03.02)
Document status: Active
Digital cellular telecommunications system (Phase 2) (GSM); Network architecture (GSM 03.02)
Document status: Active
Digital cellular telecommunications system (Phase 2) (GSM); Network architecture (GSM 03.02)
Document status: Active
