| 摘要 |
According to one aspect of the present invention there is provided a method for transferring charging information in telecommunication system, the method comprising establishing a call between a first terminal and a second terminal, the establishment of the call being performed by the transmission of call setup messages according to a messaging protocol between the first network and the second network; and transmitting charging data between first and second charging units to indicate the basis of charging for the support of the call; wherein the call setup messages and the charging data are transferred according to the same messaging protocol.
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