Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call offer supplementary service (ISO/IEC 14843 (2003), modified) (Endorsement of the English version EN 300362 V1.3.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Name identification supplementary service [ISO/IEC 13868 (2003), modified] (Endorsement of the English version DIN 300238 V1.3.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Specification, functional models and information flows - Call transfer supplementary service (ISO/IEC 13865 (2003), modified) (Endorsement of the English version EN 300260 V1.3.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call transfer supplementary service (ISO/IEC 13869 (2003), modified) (Endorsement of the English version EN 300261 V1.3.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Recall supplementary service (ISO/IEC 15052 (2003), modified) (Endorsement of the English version EN 301258 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call intrusion supplementary service (ISO/IEC 14846 (2003), modified) (Endorsement of the English version EN 300426 V1.3.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Simple dialog supplementary service (ISO/IEC 21408 (2003), modified) (Endorsement of the English version EN 301921 V1.1.1 (2004-01) as German standard)
Edition 2004-12

Corporate telecommunication Networks (CN) - Signalling interworking between QSIG and H.323 - Call transfer supplementary service (ISO/IEC 21410 (2001), modified) (Endorsement of the English version EN 301907 V1.1.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call completion supplementary services (ISO/IEC 13870 (2003), modified) (Endorsement of the English version EN 300366 V1.3.1 (2004-01) as German standard)
Edition 2004-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Sub-Part 10-2: Call report (Endorsement of the English version ETS 300392-10-2:2000-08 as German Standard)
Edition 2001-07