[SIPForum-discussion] have some doubts when proxy fails during call

sreekant nair sreekant_nair at yahoo.com
Mon Jul 23 23:41:00 UTC 2007

One possibility is that the INVITE final responseTimer will expire waiting for a final response to the INVITE and tear down the dialog and transaction. However, once the timer expires, the UA would send a CANCEL request to the proxy. This CANCEL would be retransmitted and after final retransmission, both transactions and the dialog would be cleaned up. 


----- Original Message ----
From: Vivek Dhingra <vicky_dhingra9 at hotmail.com>
To: discussion at sipforum.org
Sent: Thursday, July 19, 2007 8:43:56 AM
Subject: [SIPForum-discussion] have some doubts when proxy fails during call

hello guys..
            i m giving u all one scenario in which user A send a INVITE request and proxy will respond with 100 trying after that proxy is crashed then after what does happen???

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