Ok thanks for the logs. I found the issue. You are correct 863 is
sending a re-invite after it has terminated the call with a bye. This
results to the re-invite getting processed as a new INVITE. This got
sipXbridge confused and kept on looping the invite back to itself. I
have committed a patch for this in 4.4 which would reject this stray
INVITE. It should be part of the next series of updates. Thanks for
the bug report.
On 04/30/2012 11:22 PM, Sven Evensen wrote:
Hi Joegen,
It finally happened again. More or less same call flow as last time as
shown below.
07:09:35 +41218215400 to +41218220860
07:09:35 860 Ringing
07:09:38 860 200OK
07:09:53 860 re-invite - MOH
07:10:10 860 REFER 863
07:10:11 860 BYE MOH
07:10:28 863 BYE
07:10:43 863 re-invite - MOH?
Attached sipxbridge.log (stripped for log before call in question) and
trace.xml
Sven
On Wed, Apr 25, 2012 at 2:42 AM, Joegen Baclor <[email protected]
<mailto:[email protected]>> wrote:
there is indeed a loop going on there after a hold attempt. It
seems you can now reproduce this at will. sipx bridge debug level
log would help pinpoint where the loop is happening.
On 04/24/2012 05:58 PM, Sven Evensen wrote:
We have this call scenario (sipX 4.4)
Ext calls to int A (860)
A transfers to B (864)
B has ring "at same time" C (868)
B has "no repsonse" 25sec
C has "no response" 25 sec, then forward to A
A call to this scenario caused sipxBridge to go crazy and sent
numerous INVITE then 100 Trying to itself. This caused the system
to go to 100% CPU and eventually all calls gave busy.
Please see attached trace.xml
We are having daily 100% CPU issues, most likely with sipxBridge.
Any ideas on how to troubleshoot this is greatly appreciated.
Sven.
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