Broadband Integrated Services Digital Network (B-ISDN) - Signalling ATM Adaptation Layer (SAAL) - Layer management for the SAAL at the Network Node Interface (NNI) - Part 1: Service Specific Connection Oriented Protocol (SSCOP) and Service Specific Co-ordination Function (SSCF) (ITU-T Recommendation Q.2144 (1995), modified) (Endorsement of the English version EN 300647-1 V1.1.2 (1998-11) as German standard)
Edition 2000-12

Integrated Services Digital Network (ISDN); support of CCITT recommendation X.21, X.21bis and X.20bis based Data Terminal Equipments (DTEs) by an ISDN; synchronous and asynchronous terminal adaption functions; english version ETS 300103:1990
Edition 1992-02

Broadband Integrated Services Digital Network (B-ISDN) - Signalling ATM Adaptation Layer (SAAL); Service Specific Co-ordination Function (SSCF) for the support of signalling at the Network Node Interface (NNI) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version ETS 300438-2:1998 as German standard)
Edition 1999-09

Digital cellular telecommunications system (Phase 2) - General on Terminal Adaptation Functions (TAF) for Mobile Stations (MS) (Endorsement of the English version ETS 300582:1996-04 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2+) - General on Terminal Adaptation Functions (TAF) for Mobile Stations (MS) (Endorsement of the English version ETS 300913:1999-07 as German standard)
Edition 2001-06

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

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

Calibration of fibre optic chromatic dispersion test sets (IEC 61744:2023); German version EN IEC 61744:2023
Edition 2023-12

Telecontrol equipment and systems - Part 6: Telecontrol protocols compatible with ISO standards and ITU-T recommendations; section 2: Use of basic standards (OSI layers 1-4) (IEC 60870-6-2:1995); German version EN 60870-6-2:1995
Edition 1997-06

Clinical dosimetry - Part 8: Dosimetry of small photon fields
Edition 2023-08