[Serusers] SER Nokia CANCEL Problem

[samuel]

The 100 Trying is hardcoded and you'll have to look for it in the
code, remove it, and recompile.

After that, you should send back from your config file the 100 Trying
response in the convenient places to stop retransmissions.

Samuel.

2007/2/15, Abdul Qadir <ablqadir at yahoo.com>:
> Hi ,
>
> I tried to call from one nokia sip (E61 and other models )phone to another
> nokia sip phone. The call works fine.  The problem comes  only when I call
> from Phone A to Phone B and then immediately cancel the call(from Phone A).
> The Phone  A will hangup the call as it sent CANCEL but the SER will ignore
> this CANCEL and still send INVITE to Phone B resulting in a ghost call
> situation.
>
> I tried to capture a log of message and found that Phone A "CANCEL" message
> is received on SER even before any provisional response from Phone B.
> Therefor SER doesnot relay this CANCEL request to Phone B. I even checked
> RFC which clearly says that UAC should not send CANCEL untill it receives
> any provisional response. I talked to Nokia expert and they said the 100
> Trying message from your server is considered as provisional response,
> therefor behaviour of client is absolutely correct.
>
> Is there any way I can stop 100 Trying message and still run statefull SER,
> so that I can verify what nokia said. Any ideas suggestions are welcome.
>
> Thanking you all in advance.
>
> Best Regards,
> Abdul Qadir
>
>
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