This Specification specifies the interactions between the HSS(Home Subscriber Server) and the CSCF (Call Session ControlFunctions), referred to as the Cx interface.
This document addresses the signalling flows for the Cxinterface.
The IP Multimedia (IM) Subsystem stage 2 is specified in [1] andthe protocol for the IP multimedia call control based on SIP andSDP are specified in [8].
- Edition:
- 03
- Published:
- 12/01/2003
- Number of Pages:
- 58
- File Size:
- 1 file , 460 KB
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