| 摘要 |
<p>A billing system, comprising a service provider account management system for maintaining at least one service provider account for a customer, and a financial institution account management system for maintaining at least one financial institution account for the customer, and a gateway in data communication with the service provider account management system and the financial institution account management system, for exchanging account data between the service provider account management system and the financial institution account management system. The account data is adapted to allow the service provider account management system and the financial institution account management system to synchronize the service provider account and the financial institution account, and the service provider account management system and the financial institution account management system are arranged to update the service provider account and the financial institution account respectively according to the account data.</p> |
