Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 22: Dynamic Group Number Assignment (DGNA) (Endorsement of the English version EN 300 392-12-22 V1.4.1 (2015-02) as German standard)
Edition 2015-06

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 23: Call Completion on No Reply (CCNR) (Endorsement of the English version EN 300392-12-23 V1.2.1 (2012-04) as German standard)
Edition 2012-11

Terrestrial Trunked Radio (TETRA) - Speech codec for full-rate traffic channel - Part 1: General description of speech functions (Endorsement of the English version EN 300395-1 V1.2.1 (2005-01) as German standard)
Edition 2005-07

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control - Part 2: Specification and Description language (SDL) diagrams (Endorsement of the English version EN 300403-2 V 1.3.1 (2000-11) as German standard)
Edition 2001-05

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

Satellite Personal Communications Networks (S-PCN) - Mobile Earth Station (MES) including handheld earth stations, for S-PCN in the 2,0 GHz bands, providing voice and/or data communications under the Mobile Satellite Service (MSS) (Endorsement of the English version EN 300734 V 1.1.1 (1998-05) as German standard)
Edition 1999-07

Land Mobile Service - Radio equipment for analogue and/or digital communication (speech and/or data) and operating on narrow band channels and having an antenna connector - Harmonised Standard covering the essential requirements of article 3.2 of the Directive 2014/53/EU (Endorsement of the English version EN 301 166 V2.1.1 (2016-11) as German standard)
Edition 2017-02

Digital cellular telecommunications system (Phase 2) - Enhanced Full Rate (EFR) speech processing functions - General description (GSM 06.51 version 4.1.1) (Endorsement of the English version EN 301243 V4.1.1 (2000-11) as German standard)
Edition 2004-12

Digital cellular telecommunications system (Phase 2) - Enhanced Full Rate (EFR) speech transcoding (GSM 06.60 version 4.1.1) (Endorsement of the English version EN 301245 V4.1.1 (2000-08) as German standard)
Edition 2004-12

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