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TIA-873.005 Revision B, June 1, 2009 All-IP Core Network Multimedia Domain; IP Multimedia Subsystem Cx Interface Signaling flows and Message Contents
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Description / Abstract: The present document specifies the interactions between the HSS (Home Subscriber Server) and the CSCFs (Call Session Control Function), referred to as the Cx interface. This document addresses the signaling flows for the Cx interface.