[SIPForum-discussion] The process sequence
Mike Jiang
mike.jiang at andersontaylor.com
Thu Jun 18 17:35:08 UTC 2009
Hi All,
One quick question: I was wondering if the Ringing (180) is always
occurring ahead of the Session Progress (183).
In my case, the 183 response always happened before the 180 happened.
Thanks,
Mike J.
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