Integrated Services Digital Network (ISDN) - Explicit Call Transfer (ECT) supplementary service - Functional capabilities and information flows (Endorsement of the English version EN 300368 V 1.2.2 (1998-12) as German standard)
Edition 2000-12

Broadband Integrated Services Digital Network (B-ISDN) and Broadband Private Integrated Services Network (B-PISN) - Digital Subscriber Signalling System No. two (DSS2); Broadband Inter-Exchange Signalling (B-QSIG) and Signalling System No. 7 (SS7); Prenegotiation - Part 4: Abstract Test Suite and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification (Endorsement of the English version EN 302092-4 V 1.1.1 (2000-09) as German standard)
Edition 2001-05

Broadband Integrated Services Digital Network (B-ISDN) and Broadband Private Integrated Services Network (B-PISN) - Digital Subscriber Signalling System No. two (DSS2); Broadband Inter-Exchange Signalling (B-QSIG) and Signalling System No. 7 (SS7); Prenegotiation - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version EN 302092-3 V 1.1.1 (2000-08) as German standard)
Edition 2001-05

Broadband Integrated Services Digital Network (B-ISDN) and Broadband Private Integrated Services Network (B-PISN) - Digital Subscriber Signalling System No. two (DSS2), Broadband Inter-Exchange Signalling (B-QSIG), and Signalling System No. 7 (SS7); Prenegotiation - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version EN 302091-3 V 1.1.1 (2000-08) as German standard)
Edition 2001-05

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Quality of Service Class and Parameters indication at call/connection establishment - Part 1: Protocol specification (ITU-T Recommendation Q.2965.1 (1999) and Q 2965.2 (1999), modified) (Endorsement of the English version EN 301815-1 V 1.1.1 (2000-12) as German standard)
Edition 2001-05

Broadband Integrated Services Digital Network (B-ISDN) - AAL Type 2 Signalling protocol; Capability Set 1 - Part 1: Protocol specification (ITU-T Recommendation Q.2630.1 (1999), modified) (Endorsement of the English version EN 301816-1 V 1.1.1 (2000-11) as German standard)
Edition 2001-05

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol; Call offer supplement service - Part 1: Test Suite structure and Test Purposes (TSS&TP) (Endorsement of the English version EN 301491-1 V 1.1.2 (2000-11) as German standard)
Edition 2001-05

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol; Cordless terminal authentication supplementary services - Part 1: Test Suite structure and Test Purposes (TSS&TP) specification for the VPN "b" service entry point (Endorsement of the English version EN 301492-1 V 1.1.2 (2000-12) as German standard)
Edition 2001-05

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Switched virtual path capability - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301487-2 V 1.1.1 (2000-09) as German standard)
Edition 2001-05

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Switched virtual path capability - Part 1: Protocol specification (ITU-T Recommendation Q.2934 (1999), modified) (Endorsement of the English version EN 301487-1 V 1.1.1 (2000-09) as German standard)
Edition 2001-05