Transmission and multiplexing (TM) - Optical interfaces for equipments and systems relating to the synchronous digital hierarchy (SDH) [ITU-T Recommendation G.957 (1995) modified] (Endorsement of the English version ETS 300232:1993 + A1:1996 as German standard)
Edition 2000-06

Digital cellular telecommunications system (Phase 2) - Signalling transport mechanism specification for the Base Station System - Mobile-services Switching Center (BSS-MSC) interface (Endorsement of the English version ETS 300589:1995 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Base Station Controller - Base Transceiver Station (BSC-BTS) interface; Layer 1 structure of physical circuits (Endorsement of the English version ETS 300594:1995 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Base Station Controller - Base Transceiver Station (BSC-BTS) interface; Layer 3 specification (Endorsement of the English version ETS 300596:1996-05 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Inband control of remote transcoders and rate adaptors for Enhanced Full Rate (EFR) and full rate traffic channels (Endorsement of the English version ETS 300597:1998 as German standard)
Edition 2000-12

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 300604:1999 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Technical realization of the Short Message Service (SMS) Point-to-Point (PP) (Endorsement of the English version ETS 300536:1996-10 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Transmission planning aspects of the speech service in the GSM Public Land Mobile Network (PLMN) system (Endorsement of the English version ETS 300540:1999-07 as German standard)
Edition 2001-04

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

Digital cellular telecommunications system (Phase 2) - Short Message Service Cell Broadcast (SMSCB) support on the mobile radio interface (Endorsement of the English version ETS 300560:1996-05 as German standard)
Edition 2001-04