Hi Flavio,
According to the RFC, the callee side must not send a BYE for a dialog
in early state.
I have just edited the dialog state machine to no longer log BYEs from
the caller's side for dialogs in early state as bogus.
Regards,
Vlad Paiu
OpenSIPS Developer
http://www.opensips-solutions.com
On 03/20/2012 11:46 PM, Flavio Goncalves wrote:
Hi Jan,
I had the same issue recently, I have captured some packets at the
same exact time of the messages. In some cases, if your system becomes
unresponsive for a few seconds, CANCELs were not relayed by the proxy
(actually I saw several requests without any reply for some time).
Then, the other side sent a BYE (some sort of timeout I believe) in
early state because it didn't receive the CANCEL request. This
was happening because of a MYSQL stored procedure (billing) closing
records in a large database with millions of acc records, mysqld was
going to 100% and blocking the system. I stopped the stored procedure
and the system stopped presenting these messages. So, maybe this is
something to worry about. I hope you don't have the same issue, but I
believe it is worth to check.
Flavio E. Goncalves
On Wed, Mar 14, 2012 at 3:08 PM, Bogdan-Andrei Iancu
<[email protected] <mailto:[email protected]>> wrote:
Hi Jan,
I was just saying to Max (see the other email) that BYE instead
CANCEL seems to be according to RFC; and as the dialog module has
nothing to do on a BYE in early state, we could simply remove the
error log and let the callee to decide if the BYE should be
accepted or not.
Regards,
Bogdan
On 03/14/2012 03:24 PM, Jan D. wrote:
Bogdan,
Thanks for the quick reply. I understand my programming at
least is OK. The
critical log entries are just inconvenient when reading the
log files.
Returning a 501 works for x-lite, it then comes back with a
Cancel. If not
returning a 501 strange things happen (INVITE to failover etc).
I only see the problem only with x-lite clients. Do you know
that sending a
BYE before a Cancel is 'wrong'? If so I can open a bug report
with X-lite.
Gr.
Jan
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