Broadband Integrated Services Digital Network (B-ISDN) - Signalling system No. 7 - Interworking between Broadband ISDN User Part (B-ISUP) and Digital Subscriber Signalling system No. 2 (DSS2) (ITU-T Q.2650:1995, modified); English version ETS 300495:1997
Edition 1998-02

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7 - B-ISDN User Part (B-ISUP) Capability Set 1 (CS1) - Supplementary services (ITU-T Q.2730:1995, modified); English version ETS 300657:1997
Edition 1998-02

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7 - B-ISDN User Part (B-ISUP) Capability Set 1 (CS1); Basic services (ITU-T Q.2761 to Q.2764:1995, modified); English version ETS 300656:1997
Edition 1998-02

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) version 2 - Part 1: Protocol specification (ITU-T Recommendations Q.771 to Q.775 (1993), modified); English version ETS 300287-1:1996
Edition 1997-11

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connection characteristics; ATM transfer capability and traffic parameter indication - Part 1: Protocol specification (ITU-T Recommendations Q.2961.1 (1995), Q.2961.2 (1997), Q.2961.3 (1997), Q.2961.4 (1997) and Q.2961.6 (1997), modified) (Endorsement of the English version EN 301068-1 V 1.3.1 (2002-04) as German Standard)
Edition 2002-12

Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres (IEC 86A/2301/CDV:2023); German and English version prEN IEC 60793-2-50:2023
Edition 2024-11

Generic coding of moving pictures and associated audio information [ITU-T Recommendations H.262 (1995) and H.222.0 (1995)] (Endorsement of the English version EN 301172 V 1.1.1 (1998-07) as German standard)
Edition 2000-06

Telecontrol equipment and systems - Part 6-802: Telecontrol protocols compatible with ISO standards and ITU-T recommendations - TASE.2 Object models (IEC 60870-6-802:2014); English version EN 60870-6-802:2014
Edition 2015-04

Telecontrol equipment and systems - Part 6-503: Telecontrol protocols compatible with ISO standards and ITU-T recommendations - TASE.2 Services and protocol (IEC 60870-6-503:2014); English version EN 60870-6-503:2014
Edition 2015-04

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; B-ISDN User Part (B-ISUP) - Part 7: ATM end system address [ITU-T Recommendation Q.2726.1 (1996)] (Endorsement of the English version EN 301029-7 V 1.1.3 (1998-10) as German standard)
Edition 2000-04