Digital cellular telecommunications system (Phase 2) - Mobile radio interface - Layer 3 specification (Endorsement of the English version ETS 300557:1999 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Physical layer on the radio path - General description (Endorsement of the English version ETS 300573:1996 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Interworking of GSM Network Management (NM) procedures and messages at the Base Station Controller (BSC) (Endorsement of the English version ETS 300624:1996 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - General on Terminal Adaptation Functions (TAF) for Mobile Stations (MS) (Endorsement of the English version ETS 300582:1996-04 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Mobile-services Switching Center - Base Station System (MSC-BSS) interface; Layer 3 specification (Endorsement of the English version ETS 300590:1998 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Rate adaption on the Base Station System - Mobile-services Switching Center (BSS-MSC) interface (Endorsement of the English version ETS 300591:1995 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Base Station Controller - Base Transceiver Station (BSC-BTS) interface; Interface principles (Endorsement of the English version ETS 300593:1996 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Call Forwarding (CF) supplementary services - Stage 1 (Endorsement of the English version ETS 300515:1996-05 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Multi Party (MPTY) supplementary services - Stage 1 (Endorsement of the English version ETS 300517:1996-05 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Call Barring (CB) supplementary services - Stage 1 (Endorsement of the English version ETS 300520:1996-05 as German standard)
Edition 2001-04