# ACU_SS_AOC_RATE_TYPE constants

These constants specify the rate type in the rate_type field of the tAcuSSAocSpecific extended data structure:

Constant | Description/Notes
--- | ---
ACU_SS_AOC_RATE_TYPE_FREE_OF_CHARGE | No charge incurred for the specified service.
ACU_SS_AOC_RATE_TYPE_FREE_OF_CHARGE_FROM_BEGINNING | No charge incurred for the entire call.
ACU_SS_AOC_RATE_TYPE_FLAT_RATE | Flat rate applies to the billed service.
ACU_SS_AOC_RATE_TYPE_SPECIAL_CHARGING | Special charging arrangement applies to the billed service.
ACU_SS_AOC_RATE_TYPE_NOT_AVAIL | No rate information is currently available for the billed service.