Integrated services digital network (ISDN) - Narrowband multi-service delivery system (NMDS) - Part 6: abstract test suite (ATS) and partial protocol implementation extra information for testing (PIXIT) specification for the NMDS layer 2 PSTN-GW function (NTN side) (V1.1.1)
Edition 2014-03-19

Integrated services digital network (ISDN) - Narrowband multi-service delivery system (NMDS) - Part 7: abstract test suite (ATS) and partial protocol implementation extra information for testing (PIXIT) specification for the PSTN NMDS interface layer 3 (NTN side) (V1.1.1)
Edition 2014-03-19

Integrated services digital network (ISDN) - Signalling system N o7 (SS7) - ISDN User Part (ISUP) version 3 for the international interface - Part 33: abstract test suite (ATS) and partial protocol implementation eXtra information for testing (PIXIT) proforma specification for basic services (V4.1.1)
Edition 2004-03-01

Integrated Services Digital Network (ISDN) - Signalling System n o 7 (SS7) - ISDN User Part (ISUP) version 3 for the international interface - Part 36: Abstract Test Suite (ATS) and partial Protocol implementation eXtra Information for Testing (PIXIT) proforma specification for supplementary services
Edition 2003-06-01

Private Integrated Services Network (PISN) - Specification, functional models and information flows - Common information Additional Network Feature (ANF) (ISO/IEC 15771 (1998), modified) (Endorsement of the English version EN 301819 V 1.1.1 (2000-10) as German standard)
Edition 2001-06

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Path replacement additional network feature [ISO/IEC 13863 (1998), modified] (Endorsement of the English version EN 300258 V1.3.1 (2003-06) as German standard)
Edition 2004-03

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Wireless terminal call handling additional network features [ISO/IEC 15430 (1999) modified] (Endorsement of the English version EN 301826 V1.1.1 (2003-06) as German standard)
Edition 2004-03

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) - Specification, functional models and information flows - Call interception Additional Network Feature (ANF) (ISO/IEC 15053 (2003), modified) (Endorsement of the English version EN 301256 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Wireless terminal location registration supplementary service and wireless terminal information exchange additional network feature [ISO/IEC 15428 (1999) modified] (Endorsement of the English version EN 301824 V1.1.1 (2003-06) as German standard)
Edition 2004-03