Integrated Services Digital Network (ISDN) - Signalling System No.7 - Signalling Connection Control Part (SCCP) (connectionless and connection-oriented) to support international interconnection - Part 1: Protocol specification [ITU-T Recommendations Q.711 to Q.716 (1996), modified]
Edition 2001-05-01

Integrated Services Digital Network (ISDN) - Remote Control (RC) service - Service description
Edition 2001-05-01

Integrated Services Digital Network (ISDN) - Call Forwarding Busy (CFB) supplementary service - Service description
Edition 2001-08-01

Integrated Services Digital Network (ISDN) - Call Forwarding No Reply (CFNR) supplementary service - Service description
Edition 2001-08-01

Integrated Services Digital Network (ISDN) - Completion of Calls to Busy Subscriber (CCBS) supplementary service - Service description
Edition 2001-08-01

Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) supplementary service - Service description
Edition 2001-08-01

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Edition 2001-08-01

Integrated Services Digital Network (ISDN) - Generic functional protocol for the support of supplementary services - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Edition 2001-09-01

Integrated Services Digital Network (ISDN) - Signalling System No.7 - Interworking between ISDN User Part (ISUP) version 2 and Digital Subscriber Signalling System No. one (DSS1) - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification
Edition 2002-01-01

Integrated Services Digital Network (ISDN) - Generic functional protocol for the support of supplementary services - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user
Edition 2002-02-01