[Serusers] SER Nokia CANCEL Problem

[samuel]

tectops module with search is the only way to get the User-Agent in
SER version 0.9.x

If you're using newer versions you can use select framework to get the
value of any (?) header of the incoming SIP request.

Samuel.

2007/2/16, Abdul Qadir <ablqadir at yahoo.com>:
> Hi,
>
>     Thanx for the tip, I found the file and will try this way.
>
> Is there any way we can get user agent value inside the script, so that i
> can put some check for it and decide whether to send 100 or not.
>
> Thanks
> Abdul Qadir
>
> samuel <samu60 at gmail.com> wrote:
>  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 :
> > 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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>
>
>
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