[pjsip] Sending 481 response
bennylp at pjsip.org
Sun Nov 4 06:33:32 EST 2007
Alexander Agranovsky wrote:
> Just noticed a scenario:
> An endpoint sends CANCEL to freshly initialized PJSIP stack (say,
> after crash, debugger restart etc). PJSIP properly responds with 481.
> Then, the endpoint proceeds to send BYE for the same call. This is
> pretty much invalid (since 481 has already been returned for
> transaction on the same dialog), however the point is -- PJSIP never
> responds to this BYE allowing for (and processing) a bunch of
> retransmissions. If 481 was sent as a response to these, the outcome
> would be better, IMHO.
> Not a critical issue, of course, but would be interesting to know why
> the 481 is never sent for BYE?
In my test, 481 *is* returned for BYE outside any dialog. Maybe in
your case, the BYE doesn't have a To tag?
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