[cisco-voip] T1 CAS dropped calls

[Kevin Damisch]

I am troubleshooting some dropped calls.  If the CDRs show a 0 for both the OrigCause_value and DestCause_value, does that sound like a CUCM, gateway, or carrier issue?  This is on an outbound IP phone to PSTN call through an MGCP gateway with a T1 CAS to the carrier.  It is random throughout the day, so trying to capture something in a debug would be by chance.  From what I understand, if the OrigCause_value is 16 and DestCause_value is 0, then the calling party disconnected first.  If the DestCause_value is 16 and the OrigCause_value is 0, then the called party hung up first.

Can anyone confirm or offer suggestions?

Thanks,
Kevin


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