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It is a sip trnkIs it a sip trunk or a call across a gateway
I tried all that but the problem still existsCheck PBX Configuration -> 7 Class of Service ->1 COS Settings -> CO and SMDR Extension to CO Line Call Duration Limit is set to disable on all your trunks.
Check PBX Configuration -> 3 Group -> 1 Trunk Group -> 1 Trunk Group Settings -> MAIN set your trunk group ext to co duration time to None
I tried all that but the problem still exists,are there any more settings I can check and adjust?