European digital cellular telecommunications system (Phase 2); Technical realization of supplementary services (GSM 03.11)
Document status: Active
Digital cellular telecommunications system (Phase 2) (GSM); Technical realization of supplementary services (GSM 03.11)
Document status: Active
European digital cellular telecommunications system (Phase 2); Location registration procedures (GSM 03.12)
Document status: Active
European digital cellular telecommunications system (Phase 2); Discontinuous Reception (DRX) in the GSM system (GSM 03.13)
Document status: Active
European digital cellular telecommunications system (Phase 2); Support of Dual Tone Multi-Frequency signalling (DTMF) via the GSM system (GSM 03.14)
Document status: Active
European digital cellular telecommunications system (Phase 2); Technical realization of operator determined barring (GSM 03.15)
Document status: Active
European digital cellular telecommunications system (Phase 2); Security related network functions (GSM 03.20)
Document status: Active
Digital cellular telecommunications system (Phase 2) (GSM); Security related network functions (GSM 03.20)
Document status: Active
Digital cellular telecommunications system (Phase 2) (GSM); Security related network functions (GSM 03.20 version 4.4.1)
Document status: Active
European digital cellular telecommunications system (Phase 2); Functions related to Mobile Station (MS) in idle mode (GSM 03.22)
Document status: Active
