Intelligent Network (IN) - Intelligent Network Capability Set 1 (CS1), Core Intelligent Network Application Protocol (INAP) - Part 1: Protocol specification; English Version ETS 300374-1:1994
Edition 1995-04

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) version 2 - Test responder specification; English version ETS 300658:1996
Edition 1997-07

Integrated Services Digital Network (ISDN); CCITT signalling system no. 7; Transaction Capabilities Application Part (TCAP); English version ETS 300134:1992
Edition 1993-07

Intelligent Network (IN) - Intelligent Network Capability Set 1 (CS1); Core Intelligent Network Application Protocol (INAP) - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for Service Switching Function (SSF) and Specialized Resource Function (SRF); English version ETS 300374-4:1997
Edition 1998-08