Digital cellular telecommunications system - Mobile radio interface layer 3 - Supplementary services specification; General aspects (Endorsement of the English version ETS 300941:1997-05 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - Voice Broadcast Service (VBS) - Stage 2 (Endorsement of the English version ETS 300934:1998-12 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - Mobile radio interface signalling layer 3 - General aspects (Endorsement of the English version ETS 300939:1997-12 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - Voice Group Call Service (VGCS) - Stage 2 (Endorsement of the English version ETS 300933:1998-12 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - Functions related to Mobile Station (MS) in idle mode and group receive mode (Endorsement of the English version ETS 300930:1998-12 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - AT command set for GSM Mobile Equipment (ME) (Endorsement of the English version ETS 300916:1999-12 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - Terminal Adaptation Functions (TAF) for services using synchronous bearer capabilities (Endorsement of the English version ETS 300915:1998-07 as German standard)
Edition 2001-06

Digital cellular telecommunications system - Subscriber Identity Modules (SIM) - Functional characteristics (Endorsement of the English version ETS 300922:1999-04 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2) - Attachment requirements for Global System for Mobile communications (GSM) - Mobile stations in the DCS-1800-band and additional GSM 800 band; Telephony (GSM 13.02 version 4.0.1) (Endorsement of the English version EN 301420 V 4.0.1 (1999-12) as German standard)
Edition 2003-04

Digital cellular telecommunications system (Phase 2+) (GSM) - Voice Activity Detection (VAD) for Adaptive Multi-Rate (AMR) speech traffic channels - General description (GSM 06.94 version 7.1.1 Release 1998) (Endorsement of the English version EN 301708 V 7.1.1 (1999-12) as German standard)
Edition 2003-08