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

[qcorba]

The 200 following PRACK is the acknowledgment for PRACK. You may
expand the message header to check that.

There should be another 200 (for INVITE) if the called party answers.

B.R.

On 8/7/13, anand kumar Vijayan <anandkumar4n at gmail.com> wrote:
> 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
>
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