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

[Mirchandani, Pushpa]

Hi,

Check this link out and see if it helps.  Your PRACK options must be set up correctly for it to work in both directions.  Good Luck!


Pushpa 

http://www.dialogic.com/webhelp/BorderNet2020/1.0.0/WebHelp/sip_prack_call_flows.htm




-----Original Message-----
From: discussion-bounces at sipforum.org [mailto:discussion-bounces at sipforum.org] On Behalf Of qcorba
Sent: Wednesday, August 14, 2013 8:42 AM
To: anand kumar Vijayan
Cc: discussion at sipforum.org
Subject: Re: [SIPForum-discussion] 200 OK with SDP from after PRACK message which is resulting in call failure.

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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