[SIPForum-discussion] Call Rejected

manoj.raju at ymail.com manoj.raju at ymail.com
Sat Aug 24 12:00:04 UTC 2013

Hi Murali,

A correction,source party is using g729b and remote g729.

Also ptime mismatch is there.so check if a transcoder & mtp. Is trying to be allocated to resolve mismatch ,failing which cancel is invoked.

Manoj raju

On 24-Aug-2013, at 4:52 PM, manoj.raju at ymail.com wrote:

> Hi Murali,
> I can observe ,source party using codec g729 at payload 18 and remote party negotiating G729b at payload 18. this needs interoperability. 
> Can you check ,if any transcoder was tried to allocate by source party ,failing which it triggered  Cancel message as only provisional response was received.
> Regards,
> Manoj raju
> On 17-Aug-2013, at 4:07 PM, Murali Natesh <murali87ece at gmail.com> wrote:
>> Hi guys,
>> I'm facing call failure issue to one SIP exchange.Call is terminated with 487 Request Terminated.
>> Please find the attached trace for the failed call.
>> Can anyone tell me what may be the reason for the failure?
>> -- 
>> Thanks and Regards
>> Murali
>> <Failure call.doc>
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