A method providing charging control for a charging controlled service accessed by a terminal 200-1 in a communication network using a first account 301-1 having a first account balance 303a associated with the terminal, the method comprising: receiving 503 a first request for a charging reservation relating to the first account balance associated with the terminal; responsive to the first request for a charging reservation and responsive to a first status of the first account balance 507, reserving 509 a first consumer deduction amount from the first account balance and approve the charging reservation 511 to allow the charging controlled service for the terminal characterized by; thereby allowing 405, 407 the charging controlled service for the terminal based on the first consumer deduction amount reserved from the first account balance while generating a replenishment request 515 directed to a second account balance 303b responsive to a second status of the first account balance; responsive to the replenishment request, deducting a replenishment amount from the second account balance 609 wherein the replenishment amount represents a quantity of communication services; updating the first account balance 519 based on the replenishment amount deducted from the second account balance; after updating the first account balance, receiving a second request 403 for a charging reservation relating to the first account balance associated with the terminal; and responsive to the second request for a charging reservation and responsive to a third status of the first account balance, reserving a second consumer deduction amount from the first account balance 509 to allow the charging controlled service for the terminal. receiving 503 a first request for a charging reservation relating to the first account balance associated with the terminal; responsive to the first request for a charging reservation and responsive to a first status of the first account balance 507, reserving 509 a first consumer deduction amount from the first account balance and approve the charging reservation 511 to allow the charging controlled service for the terminal characterized by; thereby allowing 405, 407 the charging controlled service for the terminal based on the first consumer deduction amount reserved from the first account balance while generating a replenishment request 515 directed to a second account balance 303b responsive to a second status of the first account balance; responsive to the replenishment request, deducting a replenishment amount from the second account balance 609 wherein the replenishment amount represents a quantity of communication services; updating the first account balance 519 based on the replenishment amount deducted from the second account balance; after updating the first account balance, receiving a second request 403 for a charging reservation relating to the first account balance associated with the terminal; and responsive to the second request for a charging reservation and responsive to a third status of the first account balance, reserving a second consumer deduction amount from the first account balance 509 to allow the charging controlled service for the terminal.