Summary

Recommendation ITU-T Q.4001.1 (2016) is part 1 of the testing specifications for basic call on IP multimedia subsystem (IMS) basis which specifies the protocol implementation conformance statement (PICS) that can be used for testing against Recommendation ITU-T Q.3403 v.1.

The version number, v.1, indicates that this is version one of Recommendation ITU-T Q.4001.1, and that it relates to Release 10 of the relevant 3GPP/ETSI standard.

The Recommendation endorses ETSI TS 102 790-1 V3.1.1 (2014-07), "Core Network and Interoperability Testing (INT); IMS specific use of Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Conformance Testing; (3GPP Release 10); Part 1: Protocol Implementation Conformance Statement (PICS)".