Information technology - Telecommunications and information exchange between systems - Corporate telecommunication networks - Signalling interworking between QSIG and SIP - Basic services
Edition 2007-11

Information technology - Telecommunications and information exchange between systems - Corporate telecommunication networks; Signalling interworking between QSIG and H.323; Basic services
Edition 2002-12

Corporate telecommunication Networks (CN) - Signalling interworking between QSIG and H.323 - Basic Services (V1.1.1)
Edition 2003-12-01

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 Recommendations Q.2761 to Q.2764 (1995), modified]
Edition 2001-04-01

Integrated services digital network (ISDN) - Signalling system N o7 (SS7) - ISDN User Part (ISUP) version 3 for the international interface - Part 33: abstract test suite (ATS) and partial protocol implementation eXtra information for testing (PIXIT) proforma specification for basic services (V4.1.1)
Edition 2004-03-01

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