Integrated Services Digital Network (ISDN) - Signalling System No. 7; Support of Virtual Private Network (VPN) applications with Private network Q reference point Signalling System number 1 (PSS1) information flows - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification (Endorsement of the English version EN 301062-4 V 1.1.1 (2000-10) as German Standard)
Edition 2001-09

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

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 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsement of the English version EN 301487-3 V 1.1.1 (2001-09) as German Standard)
Edition 2002-12

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Switched virtual path capability - 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 301487-4 V 1.1.1 (2002-02) as German Standard)
Edition 2002-12

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Switched virtual path capability - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version EN 301487-5 V 1.1.1 (2001-09) as German Standard)
Edition 2002-12

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Switched virtual path capability - 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 301487-6 V 1.1.1 (2002-02) as German Standard)
Edition 2002-12

Integrated Services Digital Network (ISDN) - ISDN Packet Mode Bearer Services (PMBS) - ISDN Virtual Call (VC) and Permanent Virtual Call (PVC) bearer services provided by the B-channel of the user access, basic and primary rate; English version ETS 300048:1997
Edition 1998-08

Integrated Services Digital Network (ISDN) - ISDN Packet Mode Bearer Services (PMBS) - ISDN Virtual Call (VC) and Permanent Virtual Call (PVC) bearer services provided by the D-channel of the user access; basic and primary rate; English version ETS 300049:1997
Edition 1998-08

Broadband Integrated Services Digital Network (B-ISDN) - Broadband Virtual Path Service (BVPS) - Part 1: BVPS for Permanent communications (BVPS-P); English version ETS 300455-1:1995
Edition 1996-02