Electronic Signatures and Infrastructures (ESI) - Electronic Registered Delivery Services - Part 4: Bindings - Sub-part 2: Evidence and identification binding (Endorsement of the English version EN 319 522-4-2 V1.1.1 (2018-09) as a German standard)
Edition 2018-12

Electronic Signatures and Infrastructures (ESI) - Electronic Registered Delivery Services - Part 4: Bindings - Sub-part 3: Capability/requirements bindings (Endorsement of the English version EN 319 522-4-3 V1.1.1 (2018-09) as a German standard)
Edition 2018-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Sub-part 14: Late entry (LE) (Endorsement of the English version EN 300392-10-14 V 1.2.1 (2002-09) as German standard)
Edition 2003-09

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Sub-part 17: Include call (IC) (Endorsement of the English version EN 300392-10-17 V 1.2.1 (2002-05) as German standard)
Edition 2003-09

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Sub-part 10: Priority Call (PC) (Endorsement of the English version EN 300392-10-10 V 1.2.1 (2002-05) as German standard)
Edition 2003-09

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 18: Barring of Outgoing Calls (BOC) (Endorsement of the English version EN 300392-10-18 V1.3.1 (2003-10) as German standard)
Edition 2004-12

Terminal Equipment (TE) - Narrowband networks (PSTN or ISDN) - Access to interactive audio-visual retrieval services without data-facility; access for ISDN or PSTN videophony terminals to audio-visual databases (Endorsement of the English version ETS 300834:1998 as German standard)
Edition 1999-06

Digital cellular telecommunications system (Phase 2) - Line identification supplementary services - Stage 2 (Endorsement of the English version ETS 300542:1999-01 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Mobile radio interface layer 3 - Supplementary services specification; General aspects (Endorsement of the English version ETS 300558:1996-08 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Mobile radio interface layer 3 - Supplementary services specification; Formats and coding (Endorsement of the English version ETS 300564:1996-08 as German standard)
Edition 2001-04