Tech-invite  3GPPspecsRELsGlossariesSIP

TS 24.228§7.2.2§7.3.2§7.4.2   List   Prev   Next
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IMS S1 signalling flow - Session Initiation: Mobile origination and termination roaming, with different network operators - IMS S1-10a. SIP 200 OK response (INVITE): from UE2 to P-CSCF2
  • When the called party answers UE2 sends a 200 OK final response to the INVITE request to P-CSCF2, and starts the media flow(s) for this session.