AN ACCOUNTING METHOD, APPARATUS AND SYSTEM BASED ON ROLES IN THE BUSINESS OF PUSH-TO-TALK OVER CELLULAR

摘要

The present invention discloses a role-based charging method for PoC services in order to perform differentiated charging specific to different user roles. The charging method is: A PoC server sends a charging request to a charging function entity, with the information on the user role carried in the request; after receiving the request, the charging function entity selects a charging policy with reference to the above information, performs charging operations according to the selected charging policy, and returns a charging response to the PoC server. Furthermore, the present invention discloses a PoC server, a charging apparatus and a communication system.