Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (Endorsement of the English version EN 300745-6 V 1.3.2 (1999-11) as German standard)
Edition 2000-12

Digital Enhanced Cordless Telecommunications (DECT) - Low Rate Messaging Service (LRMS) including Short Messaging Service (SMS) (Endorsement of the English version EN 300757 V1.5.1 (2004-09) as German standard)
Edition 2005-04

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; Message Transfer Part (MTP) level 3 functions and messages to support international interconnection - Part 1: Protocol specification [ITU-T Recommendation Q.2210 (1996), modified] (Endorsement of the English version EN 301004-1 V 1.1.3 (1998-02) as German standard)
Edition 1999-09

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No.7; Message Transfer Part (MTP) level 3 functions and messages to support international interconnection - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301004-2 V 1.1.2 (2000-01) as German Standard)
Edition 2001-09

Digital Video Broadcasting (DVB) - Co-ordination channels associated with Digital Satellite News Gathering (DSNG) (Endorsement of the English version EN 301222 V 1.1.1 (1999-07) as German standard)
Edition 2001-03

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Message waiting indication supplementary service (ISO/IEC 15506 (2003), modified) (Endorsement of the English version EN 301255 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Specification, functional models and information flows - Message waiting indication supplementary service (ISO/IEC 15505 (2003), modified) (Endorsement of the English version EN 301260 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Satellite Earth Stations and Systems (SES) - Harmonised Standard for Satellite News Gathering Transportable Earth Stations (SNG TES) operating in the 11 GHz to 12 GHz/13 GHz to 14 GHz frequency bands covering the essential requirements of article 3.2 of the Directive 2014/53/EU (Endorsement of the English version EN 301 430 V2.1.1 (2016-05) as German standard)
Edition 2016-08

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Short message service supplementary service [ISO/IEC 21989 (2002) modified] (Endorsement of the English version EN 301990 V1.1.1 (2003-06) as German standard)
Edition 2004-03

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Short message service [ISO/IEC 21990 (2002) modified] (Endorsement of the English version EN 301991 V1.1.1 (2003-06) as German standard)
Edition 2004-03