Phone linked to the Cisco Call Manager Express calling a phone on a non-cisco PBX linked by trunk-sip are being dropped after 15min 30-32secondes
The non-cisco PBX is the one linked to our phone provider, most of our phone are connected to it for now.
With any phone on the CCME calling any phone that are not on the CCME (internal or external call) are being drop after 15min 32secondes. In fact the cisco phone seems to be still in communication with the CCME but the other side phone dropped the call. (when I use debug on the cisco I don't see any "end call" if I push number on the phone they appear, with debug on the non-cisco PBX we can see that some kind of close call being received from the cisco!?)
-When a phone that is not connected to the CCME calling to a cisco phone that problem does not happen.
-A cisco phone to cisco phone does not drop call either
Any idea where I should look?
We can't find anything that look like 15min30sec in show running-config...
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