Summary

Recommendation ITU-T J.366.6 defines a transport protocol for use in the IP multimedia (IM) core network (CN) subsystem based on Diameter.

This Recommendation is applicable to:

–          the Cx interface between the I-CSCF/S-CSCF and the HSS, and

–          the Dx interface between the I-CSCF/S-CSCF and the SLF.

The Third Generation Partnership Project (3GPP) has developed the specification in a form optimized for the wireless environment. This Recommendation references the ETSI version of the 3GPP specification and specifies only the modifications necessary to optimize it for the cable environment.