Patent ID: 7752128

Claim:
A charging network system, comprising: a service unit, generating charging events while services are processed; charging systems, receiving charging requests and debiting accounts according to the charging requests; a charging agent apparatus connected to the service unit and the charging systems, receiving a charging event generated by the service unit, determining a corresponding charging mode by the charging agent apparatus according to the charging event, and deciding whether the charging mode is an online charging mode, if the charging mode is not the online charging mode, the charging agent apparatus determining a corresponding charging system and generating a charging request according to the charging event, and if the charging mode is the online charging mode, the charging agent apparatus authorizing the credit of the user corresponding to the charging event by the charging agent apparatus, choosing a corresponding charging system from the charging systems connected to the charging agent apparatus after the credit of the user is authorized, and sending the reservation request as a charging request to the corresponding charging system.