Integrated Services Digital Network (ISDN) - Basic call control procedures for circuit-switched bearer services - Functional capabilities and information flows [ITU-T Recommendation Q.71 (1993), modified]; English version ETS 300350:1995
Edition 1995-11

Integrated Services Digital Network (ISDN) - Connected Line Identification Presentation (COLP) supplementary service - Service description (Endorsement of the English version EN 300094 V 2.1.1 (2000-06) as German standard)
Edition 2000-12

Integrated Services Digital Network (ISDN) - Calling Line Identification Presentation (CLIP) supplementary service - Service description (Endorsement of the English version EN 300089 V 3.1.1 (2000-12) as German Standard)
Edition 2001-10

Digital cellular telecommunications system (Phase 2) - Line identification supplementary services - Stage 1 (Endorsement of the English version ETS 300514:1998-06 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2+) - Terminal Adaptation Functions (TAF) for services using synchronous bearer capabilities (Endorsement of the English version ETS 300915:1998-07 as German standard)
Edition 2001-06

Integrated Services Digital Network (ISDN) - Calling Line Identification Restriction (CLIR) supplementary service - Service description (Endorsement of the English version EN 300090 V 1.2.1 (2000-12) as German Standard)
Edition 2001-10

Digital cellular telecommunications system (Phase 2+) - Terminal Adaptation Functions (TAF) for services using asynchronous bearer capabilities (Endorsement of the English version ETS 300914:1998-07 as German standard)
Edition 2001-06

Integrated Services Digital Network (ISDN) - Calling Line Identification Presentation (CLIP) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification (Endorsement of the English version EN 300092-1 V 2.1.1 (2001-02) as German standard)
Edition 2001-09

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

Television systems; 625-line television Wide Screen Signalling (WSS) (Endorsement of the English version EN 300294 V 1.4.1 (2003-04) as German standard)
Edition 2003-08