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

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Private User Mobility (PUM) - Registration supplementary service (ISO/IEC 17876 (2003), modified) (Endorsement of the English version EN 301821 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Advice of charge supplementary services (ISO/IEC 15050 (2003), modified) (Endorsement of the English version EN 301264 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Common information Additional Network Feature (ANF) (ISO/IEC 15772 (2003), modified) (Endorsement of the English version EN 301820 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Private User Mobility (PUM) - Call handling Additional Network Feature (ANF) (ISO/IEC 17878 (2003), modified) (Endorsement of the English version EN 301810 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Terrestrial Trunked Radio (TETRA) - Technical requirements for Direct Mode Operation (DMO) - Part 1: General network design (Endorsement of the English version EN 300396-1 V1.2.1 (2011-12) as German standard)
Edition 2012-07

Terrestrial Trunked Radio (TETRA) - Speech codec for full-rate traffic channel - Part 1: General description of speech functions (Endorsement of the English version EN 300395-1 V1.2.1 (2005-01) as German standard)
Edition 2005-07

Terrestrial Trunked Radio (TETRA) - Speech codec for full-rate traffic channel - Part 3: Specific operating features (Endorsement of the English version EN 300395-3 V1.2.1 (2005-01) as German standard)
Edition 2005-07

Intelligent Transport Systems (ITS) - Vehicular Communications - GeoNetworking - Part 3: Network Architecture (Endorsement of the English version EN 302 636-3 V1.2.1 (2014-12) as German standard)
Edition 2015-04

Audio frequency induction loop drivers up to 45 amperes in the frequency range 10 Hz to 9 kHz - Harmonised Standard for access to radio spectrum (Endorsement of the English version EN 303 348 V1.2.1 (2021-06) as a German standard)
Edition 2021-11