I am currently running two different versions of Asterisk 11.0.1 11.2.1
I have noticed the bug occur on both servers. The issue is that when I try to dial a phone number sometimes the call will never go out. I will check the Asterisk server with NGREP and see that the SIP messages are making it to Asterisk but Asterisk isn't responding. I do the following command "netstat -nap |grep 5060" and see that Asterisk has a lot under the "Recv-Q" column. It usually takes about 10 minutes before Asterisk becomes responsive again or else before 10 minutes is up I could restart Asterisk and everything will be back to normal. I see in the message logs the following errors On the 11.0.1 Asterisk server WARNING[23723][C-00000010] chan_sip.c: Unable to cancel schedule ID 11473. This is probably a bug (chan_sip.c: update_provisional_keepalive, line 4406). On the 11.2.1 Asterisk server WARNING[3493][C-0000001f] chan_sip.c: Unable to cancel schedule ID 30810. This is probably a bug (chan_sip.c: update_provisional_keepalive, line 4683). When I look in chan_sip.c on both servers I see that they are the same line of code AST_SCHED_DEL_UNREF(sched, pvt->provisional_keepalive_sched_id, dialog_unref(pvt, "when you delete the provisional_keepalive_sched_id, you should dec the refcount for the stored dialog ptr")); What could be causing this because it seems to happen at least once a day.
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