[OpenSIPS-Users] PRACK mid-call

[Bogdan-Andrei Iancu]

Hello Brett,

A SIP capture from the OpenSIPS machine covering both sides traffic will 
help in understanding this.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com


On 04/22/2013 12:16 PM, Brett Nemeroff wrote:
> Hey All,
> I'm having a weird issue right now. I have a particular call flow that 
> includes a PRACK. The first PRACK setups just when it show and is 
> replied with a 200 ok end to end.
>
> Some time later, OpenSIPs retransmits the PRACK... After the call is 
> answered. Yes, OpenSIPs relayed the 200 OK for the PRACK already. So 
> I'm not sure what it's thinking.
>
> Of course, the mid-call PRACK makes endpoints unhappy so the call ends 
> up getting dropped.
>
> Anyone seen this? Of course, I'm assuming that the PRACK that appears 
> to be generated from the proxy mid-call is a retransmission because I 
> can't think of where else it'd be coming from (it's NOT resend from 
> the originator). Thanks all!
>
>
> Thanks,
> Brett
>
>
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