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@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. > > > ------------------------------------------------------------------------ > > _______________________________________________ > Serusers mailing list > Serusers@lists.iptel.org > http://lists.iptel.org/mailman/listinfo/serusers -- Klaus Darilion nic.at
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