Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User Part (ISUP) version 4 for the international interface - Part 9: Closed User Group (CUG) supplementary service (ITU-T Recommendation Q.735, clause 1 (1993), modified) (Endorsement of the English version EN 300356-9 V 4.1.2 (2001-07) as German standard)
Edition 2002-01

Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User Part (ISUP) version 4 for the international interface - Part 7: Terminal Portability (TP) supplementary service (ITU-T Recommendation Q.733, clause 4 (1993), modified) (Endorsement of the English version EN 300356-7 V 4.1.2 (2001-07) as German standard)
Edition 2002-01

Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User Part (ISUP) version 4 for the international interface - Part 6: Connected Line Identification Restriction (COLR) supplementary service (ITU-T Recommendation Q.731, clause 6 (1993), modified) (Endorsement of the English version EN 300356-6 V 4.1.2 (2001-07) as German standard)
Edition 2002-01

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

Intelligent Network (IN) - Intelligent Network Capability Set 3 (CS3); Intelligent Network Application Protocol (INAP); Protocol specification - Part 4: SDLs for SCF-SSF interface (Endorsement of the English version EN 301931-4 V 1.1.2 (2001-09) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Interworking between ISDN User Part (ISUP) version 2 and Digital Subscriber Signalling System No. one (DSS1) - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version EN 300899-3 V 1.1.1 (2001-09) as German Standard)
Edition 2003-01

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Interworking between ISDN User Part (ISUP) version 2 and Digital Subscriber Signalling System No. one (DSS1) - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification (Endorsement of the English version EN 300899-4 V 1.1.1 (2002-04) as German Standard)
Edition 2003-01

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Digital cellular telecommunications system (Phase 2+); Application of ISDN User Part (ISUP) version 3 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 1: Protocol specification (GSM 09.14, version 7.0.2, Release 1998) (Endorsement of the English version EN 302646-1 V 7.0.2 (2000-09) as German Standard)
Edition 2001-09