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+) - 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 - Layer 1 - General requirements (Endorsement of the English version ETS 300936:1997-04 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 - 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+) - 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 (Phase 2+) - Mobile radio interface layer 3 supplementary services specification - Formats and coding (Endorsement of the English version ETS 300950:1999-07 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - Call Barring (CB) supplementary services - Stage 3 (Endorsement of the English version ETS 300956:1998-07 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - Mobile Application Part (MAP) specification (Endorsement of the English version ETS 300974:2000-12 as German standard)
Edition 2001-06