[Serusers] SER Nokia CANCEL Problem
samuel
samu60 at gmail.com
Fri Feb 16 13:55:54 CET 2007
mmm
i'll take a look at the config...
maybe i just had a wrong config after all...if that's the case,
apologies for the false "race condition" :P
samuel.
2007/2/16, Greger V. Teigre <greger at teigre.com>:
>
> It may be that you are not handling the CANCEL correctly. An early CANCEL
> (no Route headers) will have to be routed as an INVITE.
> g-)
>
> Abdul Qadir wrote:
> Hi,
>
> >I think ser should remember canceled transactions and send CANCEL in
> >case of delayed provisional replies.
>
> At present I don't think its working like this, As soon as CANCEL hit SER
> an immediate too many hops is returned to sender and call
> continues....resulting in ghost call, where A party has dropped after
> sending cancel and B still carries on as no cancel was sent to B.
>
> Best Regards,
> Abdul Qadir
>
> Klaus Darilion <klaus.mailinglists at pernau.at> wrote:
> Abdul Qadir wrote:
> > 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.
> >
>
> Hi!
>
> I think ser should remember canceled transactions and send CANCEL in
> case of delayed provisional replies.
>
> regards
> klasu
>
> > 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
> >
> >
> > ---------------------------------
> > Don't be flakey. Get Yahoo! Mail for Mobile and
> > always stay connected to friends.
> >
> >
> >
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>
> --
> Klaus Darilion
> nic.at
>
>
>
>
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