Intelligent Network (IN) - Intelligent Network Application Protocol (INAP); Capability Set 2 (CS2) - Part 5: Distributed Functional Plane (DFP) (ITU-T-Recommendation Q.1224 (1997), modifiziert) (Endorsement of the English version EN 301140-5 V 1.1.3 (1999-11) as German Standard)
Edition 2001-09

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; Message Transfer Part (MTP) level 3 functions and messages to support international interconnection - Part 1: Protocol specification [ITU-T Recommendation Q.2210 (1996), modified] (Endorsement of the English version EN 301004-1 V 1.1.3 (1998-02) as German standard)
Edition 1999-09

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; B-ISDN User Part (B-ISUP) - Part 5: Support of negotiation during connection setup [ITU-T Recommendation Q.2725.1 (1996)] (Endorsement of the English version EN 301029-5 V 1.2.1 (1998-04) as German standard)
Edition 1999-09

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7 - B-ISDN User Part (B-ISUP) - Part 6: Modification procedures [ITU-T Recommendation Q.2725.2 (1996)] (Endorsement of the English version EN 301029-6 V 1.1.2 (1998-04) as German standard)
Edition 1999-09

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; B-ISDN User Part (B-ISUP) - Part 9: Network generated session identifier [ITU-T Recommendation Q.2726.3 (1996)] (Endorsement of the English version EN 301029-9 V 1.1.2 (1998-04) as German standard)
Edition 1999-09

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) - Signalling System No. 7 - ISDN User Part (ISUP) version 3 interactions with the Intelligent Network Application Part (INAP) - Part 1: Protocol specification (ITU-T Recommendation Q.1600 (1997), modified) (Endorsement of the English version EN 301070-1 V 1.2.2 (1998-09) as German standard)
Edition 2000-12

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connection characteristics; ATM traffic descriptor modification with negotiation by the connection owner - Part 1: Protocol specification [ITU-T Recommendation Q.2963.3, modified] (Endorsement of the English version EN 301486-1 V 1.1.3 (2000-04) as German standard)
Edition 2001-02

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

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