[SIPForum-discussion] Call Rejected

[smraney at comcast.net]

Murali, 

The original Invite offered attributes that included G729a, G729ab and G729b, however within the 183 Session Progress the negotiated attribute 
referenced G729, with an attribute that indicated 'annexb=no'. Is it possible that one of the endpoints or switches are not properly selecting/accepting 
the G729a codex selection and therefore terminating the call by sending the Cancel message? 

There is no 'reason' parameter within the Cancel message, so my observations are simply an area to analyze. 

Respectfully, 

Steve..... 


----- Original Message -----

From: "Murali Natesh" <murali87ece at gmail.com> 
To: discussion at sipforum.org 
Sent: Saturday, August 17, 2013 6:37:59 AM 
Subject: [SIPForum-discussion] Call Rejected 

Hi guys, 

I'm facing call failure issue to one SIP exchange.Call is terminated with 487 Request Terminated. 

Please find the attached trace for the failed call. 


Can anyone tell me what may be the reason for the failure? 
-- 
Thanks and Regards 
Murali 


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