[SIPForum-discussion] 200 OK with SDP from after PRACK message which is resulting in call failure.

[Stephen James]

I don't see anything in the messages that would cause the UAC to drop the call. Unless it has some requirement to receive SDP in the 18x message, which is beyond the spec.


 
Stephen James 
sjames_1958 at yahoo.com
 
We are not princes of the earth, we are the descendants of worms, and any nobility must be earned.



________________________________
 From: anand kumar Vijayan <anandkumar4n at gmail.com>
To: discussion at sipforum.org 
Sent: Tuesday, August 6, 2013 11:35 PM
Subject: [SIPForum-discussion] 200 OK with SDP from after PRACK message which is resulting in call failure.
 




HI All, 
 I have one call scenario, our customer not getting 200
OK with SDP from after PRACK message which is resulting in call failure. 
 Many calls are  getting abandoned due to the reason i
explained above, signal trace attached for your reference.
 Kindly confirm due above scenario any call failure happen or not, if call failure happen then how to resolve the issue. 

Please help us

Regards 
Anand Kumar V
919650930689




On Tue, Jul 30, 2013 at 11:02 AM, rahul sankanur <rahul.sankanur at gmail.com> wrote:

Hi , 
>In ICE rfc 5245, it is mentioned that connectivity checks will start for the first media stream(as mentioned in SDP) . 
>There is also a mention that each media stream will have independent timers which decides the interval between connectivity checks and RTO for those candidates,
>
>
>I have a doubt here.
>
>
>Connectivity checks will begin at the same time for all media stream 
>                                              OR
>connectivity checks will begin for the second media stream only after first media stream's connectivity checks are over.
>
>Regards,
>Rahul Sankanur
>
>
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