System and method of purchasing products and services using prepaid wireless communications services account

A system of paying a seller for a purchase transaction using a prepaid account associated with a wireless communications device, the system comprising:

• means for receiving, at a service control point (“SCP”), transaction information comprising a telephone number of the wireless communications device and a purchase amount obtained by a point of sale device, the SCP maintaining a record identified by the telephone number indicating an account balance of the prepaid account;
• means for determining whether the account balance is sufficient to cover the transaction;
• means responsive to a determination that the account balance is not sufficient to cover the transaction for denying the transaction;
• means responsive to a determination that the account balance is sufficient to cover the transaction for deducting a transaction amount from the account balance and sending a message to indicate a crediting of an account of the seller such that the seller is then paid for the purchase.

A method of a payment transaction comprising:

• receiving, at a service control point, transaction information comprising a number associated with a wireless communications device and a purchase amount obtained at a point of sale device;
• determining whether a balance of an account associated with the number of the wireless communications device is sufficient to cover at least the purchase amount;
• sending a deny message to the point of sale device in response to a determination that the account balance is not sufficient to cover at least the purchase amount;
• sending a prompt for authorization to the wireless communications device in response to a determination that the account balance is sufficient to cover at least the purchase amount;
• and
• sending a message to the point of sale device indicative of authorization of the payment transaction in response to receiving prompted authorization.