TIA TIA-873.005-B
TA TA-873005-B 2009-JUN-01 All-P Core Network Multmeda Doman P Multmeda Subsystem Cx nterface Sgnalng flows and Message Contents
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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.