Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) and Signalling System No.7 (SS7) protocols - Signalling application for the mobility management service on the alpha interface - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (V1.1.1)
Edition 2005-10-01

Integrated Services Digital Network (ISDN). Telephony 7 kHz and videotelephony teleservices. Digital subscriber signalling system no One (DSS1) protocol. Part 1: protocol specification
Edition 1996-11-01

Integrated Services Digital Network (ISDN) - Telephony 7 kHz, videotelephony, audiographic conference and videoconference teleservices - Digital Subscriber Signalling System No one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Edition 2001-06-01

Integrated Services Digital Network (ISDN) - User-to-User Signalling (UUS) supplementary service - Digital Subscriber Signalling System number one (DSS1) protocol - Part 5: Test Suite Structure and Test Purposes (TSS & TP) specification for the network
Edition 2003-06-01

Integrated Services Digital Network (ISDN) - User-to-User Signalling (UUS) supplementary service - Digital Subscriber Signalling System number one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial Protocol - Implementation eXtra Information for Testing (PIXIT) proforma specification for the network
Edition 2003-06-01

Integrated Services Digital Network (ISDN). Completion of Calls to Busy Subscriber (CCBS) supplementary service. Digital Subscriber Signalling System no 1 (DSS1) protocol. Part 1: protocol specification
Edition 1998-10-01

Integrated Services Digital Network (ISDN). Explicit Call Transfer (ECT) supplementary service. Digital Subscriber Signalling System Number one (DSS1) protocol. Part 1: protocol specification
Edition 1999-03-01

Broadband integrated services digital network (B-ISDN) and Broadband private integrated services network (B-PISN) - Digital subscriber signalling system No. two (DSS2) and Broadband inter-exchange signalling (B-QSIG) and Signalling system No.7 (SS7) - Prenegotiation - Part 4: abstract test suite (ATS) and partial protocol implementation extra information for testing (PIXIT) proforma specification (V1.1.1)
Edition 2014-03-26

Broadband integrated services digital network (B-ISDN) and Broadband private integrated services network (B-PISN) - Digital subscriber signalling system No. two (DSS2) and Broadband QSIG (B-QSIG) protocol - Call control specification in a separated call and bearer control environment - Part 4: abstract test suite (ATS) and partial protocol implementation extra information for testing (PIXIT) proforma specification (V1.1.1)
Edition 2014-04-05

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 7: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the general protocol (V1.4.5)
Edition 2005-09-01