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

[Abhisek Acharya]

this is understandable that call will fail up on not getting 200 OK for
PRACK message.PRACK is treated as request and the opposite end must send a
200 OK response.
Apart from that if Offer-Answer dependencies are there in case of PRACK
then it becomes obvious that call will fail....

Regards
Abhisek


On Sat, Aug 10, 2013 at 12:17 AM, Stephen James <sjames_1958 at yahoo.com>wrote:

> 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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