Summary

Recommendation ITU-T Q.4011.3 v.1 (2016) provides the testing requirements for the supplementary service "Closed user group (CUG) using IP multimedia (IM) core network (CN) subsystem; Conformance test specification � �Part 3: Test suite structure and test purposes (TSS&TP); User side" (based on Recommendation ITU-T Q.3627 v.1).

The version number, v.1, indicates that this is version one of Recommendation ITU-T Q.4011.3 and that it relates to Release 10 of the relevant 3GPP/ETSI standard.