| 摘要 |
A charging method for group mode service relating to the group mode service in communication networks is disclosed, the method includes: sending, an initial accounting request to a charging system in response to receiving a service request for establishing a group session from a client, to enable the charging system account at an initial rate; and initiating an interim accounting request to the charging system to enable the charging system account at a rate corresponding to the current group scale in response to detecting that group scale is changed according to a preset threshold for the number of group users. The present invention also provides the corresponding application server and group mode service's underlying system. By using the present invention to charge the group mode service, the charging interaction between the application server and the charging system is substantially reduced, and the network system resource consumed is reduced.
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