[Serusers] SER Nokia CANCEL Problem

[samuel]

i'm pretty sure CANCEL hits t_relay and should be matched agains
INVITE transaction...the only main routing difference between CANCEL
and INVITE is NAT stuff and lookupXXXX which I think it does not
affect this thread's topic, or did i miss something??

Try to dial a number and immediately hang up...don't you see the Too Many Hops?

Samuel.

2007/2/16, samuel <samu60 at gmail.com>:
> 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
> >  >
> >  >
> >  > ---------------------------------
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> >  >
> >  >
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> >  --
> >  Klaus Darilion
> >  nic.at
> >
> >
> >
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