The cancel is sent becuase two lines up the ITSP sends you a "BYE" which sipx sends down to the phone to cancel the call.
Try getting a sipxtrace of a good call and then a sipxtrace of a bad call. It will be easier to pinpoint the difference. >>> "Matthew Kitchin (public/usenet)" <[email protected]> 01/25/11 3:35 >>> PM >>> I more familiar with wireshark and its voip analysis tool. I'm attaching a pcap of the problem. If I'm reading it correctly (see picture below/attached), you can see where it goes south... Why is the cancel sent to from the sipx server to the final transfer destination at .253? </[email protected]>
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