Private Integrated Services Network (PISN) - Specification, functional model and information flows - Call identification and call linkage additional network features [ISO/IEC 21888 (2001) modified] (Endorsement of the English version EN 301922 V1.1.1 (2003-06) as German standard)
Edition 2004-03

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call identification and call linkage Additional Network Feature (ANF) (ISO/IEC 21889 (2001), modified) (Endorsement of the English version EN 301923 V1.1.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Mapping functions for the employment of 64 kbit/s circuit mode connections with 8 kbit/s sub-multiplexing (ISO/IEC 17311 (2002), modified) (Endorsement of the English version EN 301924 V 1.1.1 (2002-09) as German standard)
Edition 2003-07

Radiotelephone transmitters and receivers for the maritime mobile service operating in VHF bands - Technical characteristics and methods of measurement (Endorsement of the English version EN 301 925 V1.6.1 (2020-12) as a German standard)
Edition 2021-04

Satellite Earth Stations and Systems (SES) - Radio Frequency and Modulation Standard for Telemetry, Command and Ranging (TCR) of Communications Satellites (Endorsement of the English version EN 301 926 V1.3.1 (2017-10) as German standard)
Edition 2018-05

Satellite Earth Stations and Systems (SES) - European Co-operation for Space Standardization (ECSS) - Satellite Software Data Handling Interfaces (SSDHI) (Endorsement of the English version EN 301927 V 1.1.1 (2003-02) as German standard)
Edition 2003-11

VHF transmitters and receivers as Coast Stations for GMDSS and other applications in the maritime mobile service - Harmonised Standard covering the essential requirements of article 3.2 of Directive 2014/53/EU (Endorsement of the English version EN 301 929 V2.1.1 (2017-03) as German standard)
Edition 2017-07

Intelligent Network (IN) - Intelligent Network Capability Set 3 (CS3); Intelligent Network Application Protocol (INAP); Protocol specification - Part 1: Common aspects (Endorsement of the English version EN 301931-1 V 1.1.2 (2001-09) as German standard)
Edition 2002-11

Intelligent Network (IN) - Intelligent Network Capability Set 3 (CS3); Intelligent Network Application Protocol (INAP); Protocol specification - Part 2: SCF-SSF interface (Endorsement of the English version EN 301931-2 V 1.1.2 (2001-09) as German Standard)
Edition 2002-11

Intelligent Network (IN) - Intelligent Network Capability Set 3 (CS3); Intelligent Network Application Protocol (INAP); Protocol specification - Part 3: SCF-SRF interface (Endorsement of the English version EN 301931-3 V 1.1.2 (2001-09) as German Standard)
Edition 2002-11