Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User Part (ISUP) V 4 interactions with the Intelligent Network Application Part (INAP) - Part 1: Protocol specification (ITU-T-Recommendation Q.1601:1999, modified) (Endorsement of the English version EN 301464 V 1.1.1 (2000-12) as German Standard)
Edition 2001-09

Integrated Services Digital Network (ISDN) - Definition and usage of cause and location in Digital Subscriber Signalling System No. one (DSS1) and Signalling System No. 7 (SS7) ISDN User Part (ISUP) (ITU-T Recommendation Q.850 (1998) with addendum, modified) (Endorsement of the English version EN 300485 V 1.3.1 (2001-04) as German standard)
Edition 2001-12

Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User Part (ISUP) - Enhancement for support of Number Portability (NP) (ITU-T-Recommendation Q.769.1 (2000), modified) (Endorsement of the English version EN 302097 V 1.2.2 (2000-09) as German Standard)
Edition 2001-09

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Signalling Connection Control Part (SCCP) - Interoperability test specification (Endorsement of the English version EN 301008 V 1.1.2 (1998-05) as German standard)
Edition 1999-09

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connection characteristics; peak cell rate modification by the connection owner - Part 1: Protocol specification [ITU-T Recommendation Q.2963.1 (1996), modified] (Endorsement of the English version EN 301003-1 V 1.1.3 (1999-05) as German standard)
Edition 2000-04

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connection characteristics; peak cell rate modification by the connection owner - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301003-2 V 1.1.3 (1999-05) as German standard)
Edition 2000-04

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; B-ISDN User Part (B-ISUP) - Part 3: Support of additional traffic parameters for Statistical Bit Rate (SBR), Available Bit Rate (ABR), ATM Block Transfer (ABT) and Quality of Service (QoS) [ITU-T Recommendations Q.2723.1 (1996), Q.2723.2 (1997), Q.2723.3 (1997) and Q.2723.4 (1997)] (Endorsement of the English version EN 301029-3 V 1.2.3 (1998-10) as German standard)
Edition 2000-04

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; B-ISDN User Part (B-ISUP) - Part 7: ATM end system address [ITU-T Recommendation Q.2726.1 (1996)] (Endorsement of the English version EN 301029-7 V 1.1.3 (1998-10) as German standard)
Edition 2000-04

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; B-ISDN User Part (B-ISUP) - Part 10: Support of frame relay [ITU-T Recommendation Q.2727 (1996)] (Endorsement of the English version EN 301029-10 V 1.1.3 (1998-10) 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 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