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

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+) - 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 - 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 - 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+) - 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+) - Enhanced Multi-Level Precedence and Pre-emption service (eMLPP) - Stage 2 (Endorsement of the English version ETS 300932:1997-05 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+) - GSM Application Programming Interface (GSM-API) (Endorsement of the English version ETS 300917:1998-05 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