Summary

Recommendation ITU-T Q.4003.2 v.1 (2006) is part 2 of the testing specifications for HOLD service implemented on an IMS basis on the network side. The Recommendation specifies the test suite structure and test purposes (TSS&TP) which can be used for testing against the Recommendation ITU‑T Q.3619 v.1, "Communication HOLD using IP multimedia core network subsystem – Protocol specification".

The version number, v.1, indicates that this is version one of Recommendation ITU-T Q.4003.2, and that it relates to Release 10 of the relevant 3GPP/ETSI standard.