Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 9: Access priority (AP) (Endorsement of the English version ETS 300392-11-9:1998 as German standard)
Edition 1999-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3; Sub-part 9: Access priority (AP) (Endorsement of the English version ETS 300392-12-9:1998 as German standard)
Edition 1999-12

Digital cellular telecommunications system (Phase 2) - Types of Mobile Stations (MS) (Endorsement of the English version ETS 300504:1998-01 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Functions related to Mobile Stations (MS) in idle mode (Endorsement of the English version ETS 300535:1996-09 as German standard)
Edition 2001-04

Digital Enhanced Cordless Telecommunications (DECT) - Global System for Mobile Communications (GSM); DECT/GSM interworking profile (IWP) - General description of service requirements; Functional capabilities and information flows (Endorsement of the English version EN 300466 V 1.2.1 (2001-01) as German Standard)
Edition 2002-05

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

Terrestrial Trunked Radio (TETRA) - Security - Synchronization mechanism for end-to-end encryption (Endorsement of the English version EN 302109 V1.1.1 (2003-10) as German standard)
Edition 2004-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 14: Late Entry (LE) (Endorsement of the English version EN 300 392-12-14 V1.2.1 (2012-03) as German standard)
Edition 2012-11

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 1: Call Identification (CI) (Endorsement of the English version EN 300392-12-1 V1.2.2 (2007-08) as German standard)
Edition 2007-12

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