| 摘要 |
A method and system for updating the available amount of a service to be used by a user in a communications system, wherein a requested amount of a requested service (100) is reserved (101,102) if it is available. It is detected if a valid delivery of the requested service has been performed (105); if so, the delivered amount of said requested service (106) is accumulated; and available amount is updated in dependence of the delivered amount (107,108). |
