Trying to review cdr data and need help understanding calldetails info.origCause_value & destCause_Value – Do these map to Calltermination Cause Codes?What’s the difference between origCause_value and origCallterminationonbehalfof?

Which column provides Gateway details for Origination  and Destination in CDR?

Is there any difference between missed calls and abandoned calls? Are all zero duration calls abandoned calls?

How to get the call charge via API once the CAR Rating Engine is set up? If the call charge is available through CDROnDemandService how to get it?