Hi,
I have a doubt..
When an INVITE goes UA->CA with req uri (say abc.com) and other side (CA)
responds with 200 OK with published contact as xyz.com.
Then what should be req uri of ACK ( is it be sip:ab.com / sip:xyz.com ?).
Since RFC 3261 says that new request should go to the published Contact. If
req uri of ACK is abc.com (which many of examples say) then is it the
responsiblity of network element in the dialog path(eg proxies etc) to
remember the published contact or it is responsibility of UA to change to
req uri to published contact so that routing can be done on req uri.
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