'column_map' => { #freeside => fusionpbx
#'cdrid' => 'uuid', #Primary key
#'' => 'CALL_SESSION_ID', # Call Session Id (unique per call session – GUID)
'column_map' => { #freeside => fusionpbx
#'cdrid' => 'uuid', #Primary key
#'' => 'CALL_SESSION_ID', # Call Session Id (unique per call session – GUID)