The following fields from the CDR are used to calculate the cost of Origination Customer (Inbound) Calls.
ORIG RATE = This is the rate from the rate deck that is associated to the Origination Customer Trunk Group that received the call.
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Examples
Orig Cost = CEILING((0.00095 005 * (12 108 / 60))* POWER(10,4) / POWER(10,4) = 0.0002 0090
Orig Cost = CEILING((0.00130 003 * (12 72 / 60))* POWER(10,4) / POWER(10,4) = 0.0003 0036