| 摘要 |
A method for charging users in a communication system includes initiating set-up of a communication session between a first party and a second party by sending, from the first party associated with a first charging entity to the second party associated with a second charging entity, a message inviting the second party to joint the communication session. The method further includes sending a response to the message that includes information regarding the second charging entity, and based on the response, providing the first charging entity with the information regarding the second charging entity. Lastly, the method includes establishing a communication interface between the first and second charging entities based on the information from the response. A system is also disclosed for performing the method. The response may use session initiation protocol (SIP).
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