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) - Comfort noise aspects for Enhanced Full Rate (EFR) speech traffic channels (GSM 06.62 version 4.0.1) (Endorsement of the English version EN 301247 V 4.0.1 (1997-12) as German standard)
Edition 2003-11

Digital cellular telecommunications system (Phase 2) - Test sequences for the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.54 version 4.0.1) (Endorsement of the English version EN 301250 V 4.0.1 (1998-09) as German standard)
Edition 2003-11

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Terrestrial Flight Telecommunication System (TFTS) - Avionic termination radio testing specification (Endorsement of the English version EN 300789 V 1.1.1 (1998-03) as German standard)
Edition 1999-07

Digital Enhanced Cordless Telecommunications (DECT) - Global System for Mobile communications (GSM) - DECT/GSM Interworking Profile (IWP); GSM Phase 2 supplementary services implementation (Endorsement of the English version EN 300703 V 1.2.2 (1998-02) as a German standard)
Edition 1999-07

Satellite Personal Communications Networks (S-PCN) - Mobile Earth Station (MES) including handheld earth stations, for S-PCN in the 1,6/2,4 GHz bands, providing voice and/or data communications under the Mobile Satellite Service (MSS) (Endorsement of the English version EN 300733 V 1.1.1 (1998-05) as German standard)
Edition 1999-07

Telecommunications Management Network (TMN) - Scheduling function - Support object classes (Endorsement of the English version EN 301098 V 1.1.1 (1998-08) as German Standard)
Edition 1999-12

Terminal Equipment (TE) - Syntax-based videotex protocol - Terminal conformance testing (Endorsement of the English version EN 300236 V 1.2.1:1997-12 as German standard)
Edition 1999-06

V interfaces at the digital Local Exchange (LE) - Access Network (AN) supporting V5 - Transmission characteristics and performance design objectives for call handling and bearer channel connection management (Endorsement of the English version ETS 300795:1998 as German Standard)
Edition 2000-02

Private Integrated Services Network (PISN) - Mapping functions for the employment of a circuit mode basic service and the supplementary service user-to-user signalling as a pair of on-demand inter-PINX connections (Mapping/UUS) (Endorsement of the English version EN 301102 V 1.1.1 (1998-06) as German standard)
Edition 2000-03