Digital cellular telecommunications system (Phase 2) - Substitution and muting of lost frames for Enhanced Full Rate (EFR) speech traffic channels (GSM 06.61 version 4.0.1) (Endorsement of the English version EN 301246 V 4.0.1 (1997-12) as German standard)
Edition 2003-11

Digital cellular telecommunications system (Phase 2+) - General requirements on interworking between the Public Land Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN) (Endorsement of the English version ETS 300976:2000-06 as German standard)
Edition 2001-06

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Terrestrial Flight Telecommunications System (TFTS) - Part 2: Speech services, radio interface (Endorsement of the English version ETS 300326-2:1998-08 as German standard)
Edition 2001-02

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Terrestrial Flight Telecommunications System (TFTS) - Part 1: Speech services, facilities and requirements (Endorsement of the English version ETS 300326-1:1998-08 as German standard)
Edition 2001-02

Digital cellular telecommunications system (Phase 2) - Information element mapping between Mobile Station-Base Station System (MS-BSS) and Base Station System-Mobile-services Switching Centre (BSS-MSC) signalling procedures and the Mobile Application Part (MAP) (Endorsement for the English version ETS 300605:1998-05 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2+) - Interworking between a Public Land Mobile Network (PLMN) and a Packet Switched Public Data Network/Integrated Services Digital Network (PSPDN/ISDN) for the support of packet switched data transmission services (Endorsement of the English version ETS 300975:1997-05 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

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Digital cellular telecommunications system (Phase 2+); Application of ISDN User Part (ISUP) version 3 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 1: Protocol specification (GSM 09.14, version 7.0.2, Release 1998) (Endorsement of the English version EN 302646-1 V 7.0.2 (2000-09) as German Standard)
Edition 2001-09

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 300559:1996-09 as German standard)
Edition 2001-04

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Digital cellular telecommunications system (Phase 2); application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version ETS 300646-3:1998 as German Standard)
Edition 1999-09