Patent ID: 8326262

Claim:
An advice of charging (AoC) method, comprising: sending, by a mobile terminal, a service request to a service gateway, wherein a service type is identified by the service gateway according to the service request; receiving, by a service charging agent in the mobile terminal, AoC information sent by a service charging server through an unified interface, wherein the service charging server is selected by the service gateway according to terminal information or service information; and displaying, by the service charging agent, the AoC information to the mobile terminal; wherein the receiving, by the service charging agent in the mobile terminal, the AoC information sent by the service charging server specifically comprises: receiving service fee information queried by a charging engine and forwarded by the service charging server; and the querying, by the charging engine, the service fee information is triggered by the service gateway to the charging engine through the service charging server according to the service request; the displaying, by the service charging agent, the AoC information to the mobile terminal specifically comprises: displaying, by the service charging agent, the service fee information to the mobile terminal; sending, by the mobile terminal, an acknowledgement message indicating use of a service to the service charging server; and receiving, by the mobile terminal a service response sent by the service gateway, wherein the service response is sent based on service data acquired from a service data source according to the acknowledgement message indicating the use of the service forwarded by the service charging server.