- Customers can get a Detailed Bill on a monthly basis in his/her telephone account.
- The customer can also receive an ad hoc Detailed Bill.
- Can control monthly telephone expenditures.
- Customer has the knowledge of the activities on his/her account.
- The following information is available in the detailed bill:
- The date when the call was made
- The time when the call was made
- Destination telephone number
- Call duration
- Call cost







