Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) and Signalling System No. 7 protocols - Signalling application for the mobility management service on the alpha interface - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endosement of the English version EN 301144-4 V 1.1.4 (2000-05) as German standard)
Edition 2001-02

Road service area maintenance equipment - Part 1: Terminology; Trilingual version EN 15436-1:2008
Edition 2008-12

Electronic Signatures and Infrastructures (ESI) - Registered Electronic Mail (REM) Services - Part 1: Framework and architecture (Endorsement of the English version EN 319 532-1 V1.1.1 (2018-09) as a German standard)
Edition 2018-12

Electronic Signatures and Infrastructures (ESI) - Registered Electronic Mail (REM) Services - Part 2: Semantic contents (Endorsement of the English version EN 319 532-2 V1.1.1 (2018-09) as a German standard)
Edition 2018-12

Private Integrated Services Network (PISN) - Specification, functional models and information flows - Identification supplementary services [ISO/IEC 14136 (1995), modified] (Endorsement of the English version ETS 300173:1996 as German standard)
Edition 2000-06

Integrated Services Digital Network (ISDN) - Line Hunting (LH) supplementary service - Service description (Endorsement of the English version EN 301479 V 1.1.2 (2000-08) as German Standard)
Edition 2001-10

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 13: Call Completion to Busy Subscriber (CCBS) (Endorsement of the English version EN 300 392-12-13 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 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

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call priority interruption and call priority interruption protection supplementary services (ISO/IEC 15992 (2003), modified) (Endorsement of the English version EN 301656 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Cordless Terminal Mobility (CTM) - Handover Additional Network Feature (ANF); functional capabilities and information flows (Endorsement of the English version ETS 300817:1998 as German standard)
Edition 1999-07