Does Ghost Percents effects billing?
From Kolmisoft Wiki
Ghost Percents
Ghost Percents can be imported with the rates or used in Calling Card Groups.
Ghost Percents is a functionality to trick the user into thinking that he has more minutes when he really has less.
Ghost Percents and Billing
This functionality does not affect billing in any way. This option is only for sound notices.
Customers will only hear the fake amount of minutes in IVRs.
See also
More information about tariffs and Ghost Percents you can find here.
More information about Calling Cards and Ghost Percents you can find here.