Digital cellular telecommunications system (Phase 2) (GSM); Discontinuous Transmission (DTX) for Enhanced Full Rate (EFR) speech traffic channels (GSM 06.81 version 4.0.1)

Standard published on 31.12.1997

Digital cellular telecommunications system (Phase 2) (GSM); Discontinuous Transmission (DTX) for Enhanced Full Rate (EFR) speech traffic channels (GSM 06.81 version 4.1.1)

Standard published on 28.4.2000

Digital cellular telecommunications system (Phase 2) (GSM); Voice Activity Detector (VAD) for Enhanced Full Rate (EFR) speech traffic channels (GSM 06.82 version 4.0.1)

Standard published on 31.12.1997

Digital cellular telecommunications system (Phase 2) (GSM); Test sequences for the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.54 version 4.0.1)

Standard published on 30.9.1998

Digital cellular telecommunications system (Phase 2) (GSM); Fault management of the Base Station System (BSS) (GSM 12.11 version 4.1.2)

Standard published on 31.12.1997

Digital cellular telecommunications system (Phase 2) (GSM); Fault management of the Base Station System (BSS) (GSM 12.11 version 4.2.1)

Standard published on 10.12.1998

Fixed Radio Systems; Point-to-multipoint equipment; Frequency Hopping Code Division Multiple Access (FH-CDMA); Point-to-multipoint digital radio systems in frequency bands in the range 3 GHz to 11 GHz

Standard published on 10.11.1999

Fixed Radio Systems; Point-to-multipoint equipment; Frequency Hopping Code Division Multiple Access (FH-CDMA); Point-to-multipoint digital radio systems in frequency bands in the range 3 GHz to 11 GHz

Standard published on 22.2.2001

Private Integrated Services Network (PISN); Specification, functional models and information flows; Advice of Charge (AoC) supplementary services [ISO/IEC 15049 (1997), modified]

Standard published on 30.10.1998

Private Integrated Services Network (PISN); Specification, functional model and information flows; Advice of charge supplementary services [ISO/IEC 15049 (1997) modified]

Standard published on 16.6.2003