Outbound INVITE Message
When the Oracle® Enterprise Session Border Controller’s outbound interface is configured with session timers, it forwards an INVITE to the UAS with the following headers:
Session-Expires— Oracle® Enterprise Session Border Controller inserts the outbound SIP interface’s session-timer parameter
Session-Expires refresher parameter— Oracle® Enterprise Session Border Controller inserts the request-refresh parameter
Min-SE— Oracle® Enterprise Session Border Controller inserts the outbound SIP interface’s session-timer parameter
Supported—Supported header has the timer option tag
Note:
Require/Proxy-Require—If the timer parameter is present in the Require or Proxy-Require: header field in the request received from the UAC, it will be removed.