| 摘要 |
A service control system processes call information to transfer first context information to a context server and to transfer the first call information to a destination server. The destination server processes the call information to transfer second context information for the call to the context server and to transfer destination information indicating a call destination to the service control system. The service control system processes the destination information to transfer routing information for the call to a communication network. The communication network processes the routing information to route the call to the call destination indicated by the destination information. The call destination processes the call to transfer third context information for the call to the context server. Billing information is generated the call based on the first context information, the second context information, and the third context information in the context server.
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