Private Integrated Services Network (PISN) - Mapping functions for the employment of 64 kbit/s circuit mode connections with 8 kbit/s sub-multiplexing (ISO/IEC 17311 (2002), modified) (Endorsement of the English version EN 301924 V 1.1.1 (2002-09) as German standard)
Edition 2003-07

Corporate telecommunication Networks (CN) - Signalling interworking between QSIG and H.323 - Call Completion supplementary services (ISO/IEC 21991 (2002), modified) (Endorsement of the English version EN 301989 V 1.1.1 (2003-02) as German standard)
Edition 2003-07

Television systems - Specification of the domestic video Programme Delivery Control system (PDC)(Endorsement of the English version EN 300231 V 1.3.1 (2003-04) as German standard)
Edition 2003-08

Television systems; 625-line television Wide Screen Signalling (WSS) (Endorsement of the English version EN 300294 V 1.4.1 (2003-04) as German standard)
Edition 2003-08

Enhanced Teletext specification (Endorsement of the English version EN 300706 V 1.2.1 (2003-04) as German standard)
Edition 2003-08

Electronic Programme Guide (EPG); Protocol for a TV Guide using electronic data transmission (Endorsement of the English version EN 300707 V 1.2.1 (2003-04) as German standard)
Edition 2003-08

Television systems - Data transmission within Teletext (Endorsement of the English version EN 300708 V 1.2.1 (2003-04) as German standard)
Edition 2003-08

Digital cellular telecommunications system (Phase 2+) (GSM) - User-to-User Signalling (UUS) - Service description, Stage 1 (GSM 02.87 version 7.1.2 Release 1998) (Endorsement of the English version EN 301702 V 7.1.2 (1999-12) as German standard)
Edition 2003-08

Digital cellular telecommunications system (Phase 2+) (GSM) - Adaptive Multi-Rate (AMR); Speech processing functions - General description (GSM 06.71 version 7.0.2 Release 1998) (Endorsement of the English version EN 301703 V 7.0.2 (1999-12) as German standard)
Edition 2003-08

Digital cellular telecommunications system (Phase 2+) (GSM) - Comfort noise aspects for Adaptive Multi-Rate (AMR) speech traffic channels (GSM 06.92 version 7.1.1 Release 1998) (Endorsement of the English version EN 301706 V 7.1.1 (1999-12) as German standard)
Edition 2003-08