Digital cellular telecommunications system (Phase 2). Mobile-services Switching Centre. Base Station System (BSS-MSC) interface. Layer 3 specification (GSM 08.08, version 4.12.1)
Edition 1999-02-01

Digital cellular telecommunications system (Phase 2). Base Station Controller. Base Transceiver Station (BSC-BTS) interface. Layer 3 specification (GSM 08.58, version 4.9.0)
Edition 1999-02-01

Digital cellular telecommunications system (phase 2). Principles of telecommunication services supported by a GSM public land mobile network (PLMN) (GSM 02.01)
Edition 1996-08-01

European digital cellular telecommunications system (phase 2). Bearer services (bs) supported by a GSM public land mobile network (PLMN) (GSM 02.02)
Edition 1995-12-01

European digital cellular telecommunications system (phase 2). Teleservices supported by a GSM public land mobile network (PLMN) (GSM 02.03)
Edition 1995-12-01

Digital cellular telecommunications system (Phase 2). Full rate speech. Part 3: substitution and muting of lost frames for full rate speech channels (GSM 06.11 version 4.0.6)
Edition 1998-08-01

Digital cellular telecommunications system (Phase 2). Full rate speech. Part 6: voice activity detection (VAD) for full rate speech traffic channels (GSM 06.32 version 4.3.1)
Edition 1998-09-01

Digital cellular telecommunications system (phase 2). Base Station System. Mobile-services Switching Centre (BSS-MSC) interface. Part 2: interface principles (GSM 08.02 version 4.2.0)
Edition 1998-09-01

Digital cellular telecommunications system (phase 2). Base Station System. Mobile-services Switching Centre (BSS-MSC) interface. Layer 1 specification (GSM 08.04 version 4.0.3)
Edition 1998-09-01

Digital cellular telecommunications system (Phase 2). Signalling transport mecanism specification for the Base Station System. Mobile-services Switching Centre (BSS - MSC) interface (GSM 08.06, version 4.5.0)
Edition 1998-10-01