Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User Part (ISUP) version 4 for the international interface - Part 1: Basic services (ITU-T Recommendations Q.761 to Q.764 (1999), modified) (Endorsement of the English version EN 300356-1 V 4.2.1 (2001-07) as German standard)
Edition 2002-01

Integrated Services Digital Network (ISDN). Signalling System n o 7 ISDN User Part (ISUP) version 2 for the international interface . Part 1: basic services
Edition 1997-07-01

Digital Enhanced Cordless Telecommunications (DECT) - Radio in the Local Loop (RLL) Access Profile (RAP) - Part 1: Basic telephony services (Endorsement of the English version EN 300765-1 V 1.3.1 (2001-04) as German standard)
Edition 2003-04

Terminal Equipment (TE) - End-to-end protocols for multimedia information retrieval services - Part 2: Use of Digital Storage Media Command and Control (DSM-CC) for basic multimedia applications (Endorsement of the English version ETS 300777-2:1998 as German)
Edition 2001-04

Information and documentation - Requirements for the long-term management of persistent identifiers
Edition 2013-01

Telecontrol equipment and systems - Part 5: Transmission protocols; section 2: Link transmission procedures (IEC 60870-5-2:1992); German version EN 60870-5-2:1993
Edition 1994-07

Identification card systems - Telecommunication applications - Integrated circuit(s) card payphone; German version EN 1038:1995
Edition 1996-08

Digital terrestrial television receivers for the DVB-T system (IEC 62216:2009); German version EN 62216:2011
Edition 2012-01

Electronic data interchange for administration, commerce and transport (EDIFACT) - Application level syntax rules (Syntax version number: 4, Syntax release number: 1) - Part 5: Security rules for batch EDI (authenticity, integrity and non-repudiation of origin) (ISO 9735-5:2002)
Edition 2004-01

Health informatics - Functional and structural roles (ISO 21298:2017, Corrected version 2017-04); German version EN ISO 21298:2017
Edition 2017-07