Summary

Recommendation ITU-T Q.4014.1 is part 1 of the testing specifications of the terminal equipment used in the IP multimedia subsystem (IMS) based PSTN/ISDN emulation subsystem based on the media gateway control protocol, the session initiation protocol and the associated session description protocol.

This Recommendation specifies the protocol implementation conformance statement (PICS) to test PSTN/ISDN terminal equipment using the IP multimedia core network subsystem.