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.