[SIPForum-discussion] Should session version in "o=" line be same for 180 ringing and 200 ok message?

[Hanuman Das]

Hi Siddharth,

If session data is same in 200 ok and changing session version then some equipment may not accept it and can disconnect the call.

 

You can ask your carrier or yourself fix it by giving same session version or remove SDP from 18x response or add new data in 200 ok w/SDP.

 


 



Date: Wed, 15 May 2013 13:08:21 +0530
From: sid77sharma77 at gmail.com
To: discussion at sipforum.org
Subject: [SIPForum-discussion] Should session version in "o=" line be same for 180 ringing and 200 ok message?


Hi Guys,
 
I have one scenario, where my carrier is complaining that their calls are getting disconnected after few milliseconds.
According to their analysis, they are saying that session version in "o=" line  is not same as in 180 ringing and 200 Ok message.
Because of this, they are sending BYE message.
 
Is this valid reason?
 
I have checked message, I have not found any difference.
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