Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Path replacement Additional Network Feature (ANF) (ISO/IEC 13874 (2003), modified) (Endorsement of the English version EN 300259 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) - Inter-exchange signalling protocol - Do not disturb and do not disturb override supplementary services (ISO/IEC 14844 (2003), modified) (Endorsement of the English version EN 300364 V1.3.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call diversion supplementary service (ISO/IEC 13873 (2003), modified) (Endorsement of the English version EN 300257 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 - Call priority interruption and call priority interruption protection supplementary services (ISO/IEC 15992 (2003), modified) (Endorsement of the English version EN 301656 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 - 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

Private Integrated Services Network (PISN) - Service description, functional capabilities and information flows - Circuit-mode 64 kbit/s bearer services [ISO/IEC 11574 (2000) modified] (Endorsement of the English version EN 300171 V1.3.1 (2003-06) as German standard)
Edition 2004-03

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Advice of charge supplementary services [ISO/IEC 15049 (1997) modified] (Endorsement of the English version EN 301254 V1.2.1 (2003-06) as German standard)
Edition 2004-03