Digital cellular telecommunications system (Phase 2) - Base Station System - Mobile-services Switching Center (BSS-MSC) interface; Interface principles (Endorsement of the English version ETS 300587-2:1995 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) - 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) - 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) - Use of the V series Data Terminal Equipment - Data Circuit terminating Equipment (DTE-DCE) interface at the Mobile Station (MS) for Mobile Termination (MT) configuration (Endorsement of the English version ETS 300586:1995 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Attachment requirements for Global System for Mobile communications (GSM) - Mobile stations in the DCS-1800-band and additional GSM 800 band; Telephony (GSM 13.02 version 4.0.1) (Endorsement of the English version EN 301420 V 4.0.1 (1999-12) as German standard)
Edition 2003-04

Digital cellular telecommunications system (Phase 2+) (GSM) - Support of Mobile Number Portability (MNP) - Technical Realisation; Stage 2 (GSM 03.66 version 7.3.1 Release 1998) (Endorsement of the English version EN 301716 V 7.3.1 (2000-10) as German standard)
Edition 2003-08