Digital cellular telecommunications system (Phase 2+) (GSM); Discontinuous Reception (DRX) in the GSM system (GSM 03.13 version 8.0.0 Release 1999)

Standard published on 2.5.2000

Digital cellular telecommunications system (Phase 2+) (GSM); Support of Dual Tone Multi-Frequency signalling (DTMF) via the GSM system (GSM 03.14 version 6.0.0 Release 1997)

Standard published on 30.3.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Support of Dual Tone Multi-Frequency signalling (DTMF) via the GSM system (GSM 03.14 version 7.0.1 Release 1998)

Standard published on 30.7.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Technical realization of Operator Determined Barring (ODB) GSM 03.15 version 6.0.0 Release 1997)

Standard published on 31.7.1998

Digital cellular telecommunications system (Phase 2+) (GSM); Technical realization of Operator Determined Barring (ODB) (GSM 03.15 version 6.1.0 Release 1997)

Standard published on 30.7.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Technical realization of Operator Determined Barring (ODB) GSM 03.15 version 7.0.0 Release 1998)

Standard published on 13.8.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Technical realization of facsimile group 3 non-transparent (GSM 03.46 version 6.0.0 Release 1997)

Standard published on 30.4.1999

Digital cellular telecommunications system (Phase 2+) (GSM); Technical realization of facsimile group 3 non-transparent (GSM 03.46 version 7.0.0 Release 1998)

Standard published on 13.8.1999

Digital cellular telecommunications system (Phase 2+); Technical realization of facsimile group 3 non-transparent (GSM 03.46 version 8.0.1 Release 1999)

Standard published on 30.10.2001

Digital cellular telecommunications system (Phase 2+) (GSM); Routeing of calls to/from Public Data Networks (PDN) and the GSM Public Land Mobile Network (PLMN) (GSM 03.70 version 6.0.0 Release 1997)

Standard published on 29.4.1999