Digital cellular telecommunications system (Phase 2+) - Point-to-Point (PP) Short Message Service (SMS) support on mobile radio interface (Endorsement of the English version ETS 300942:1997-09 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - Radio Link Protocol (RLP) for data and telematic services on the Mobile Station - Base Station System (MS-BSS) interface and the Base Station System; Mobile-services Switching Centre (BSS-MSC) interface (Endorsement of the English version ETS 300946:2000-06 as German standard)
Edition 2001-06

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