Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) and Signalling System No. 7 (SS7) protocols; Call Forwarding on Not Reachable (CFNRc) supplementary service for Cordless Terminal Mobility (CTM) phase 1 - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 302094-2 V 1.1.3 (1999-09) as German Standard)
Edition 2000-05

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) and Signalling System No. 7 (SS7) protocols; Call Forwarding on Not Reachable (CFNRc) supplementary service for Cordless Terminal Mobility (CTM) phase 1 - Part 1: Protocol specification (Endorsement of the English version EN 302094-1 V 1.1.3 (1999-09) as German Standard)
Edition 2000-05

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Basic call control; enhancement at the "b" service entry point for Virtual Private Network (VPN) applications - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsement of the English version EN 301060-3 V 1.1.3 (1998-11) as German standard)
Edition 2000-04

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Basic call control; enhancement at the "b" service entry point for Virtual Private Network (VPN) applications - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version EN 301060-5 V 1.1.3 (1998-11) as German standard)
Edition 2000-04

Integrated Services Digital Network (ISDN) - Freephone (FPH) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification (Endorsement of the English version EN 300210-1 V 1.2.4 (1998-06) as German Standard)
Edition 2000-05

Integrated Services Digital Network (ISDN) - Freephone (FPH) supplementary service - Digital Subcsriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300210-2 V 1.2.4 (1998-06) as German Standard)
Edition 2000-05

Integrated Services Digital Network (ISDN) - Freephone (FPH) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsement of the English version EN 300210-3 V 1.2.4 (1998-06) as German Standard)
Edition 2000-05

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control - Part 1: Protocol specification [ITU-T-Recommendation Q.931 (1993), modified] (Endorsement of the English version EN 300403-1 V 1.3.2 (1999-11) as German standard)
Edition 2000-10

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Basic call control; enhancement at the "b" service entry point for Virtual Private Network (VPN) applications - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsement of the English version EN 301060-4 V 1.1.4 (1999-08) as German standard)
Edition 2000-10

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Basic call control; enhancement at the "b" service entry point for Virtual Private Network (VPN) applications - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (Endorsement of the English version EN 301060-6 V 1.1.4 (1999-11) as German standard)
Edition 2000-10