| 摘要 |
To extract part of a large volume of traffic and adjust the total volume of traffic dynamically. When a communication request is originated from a telecommunications apparatus, a communications control unit makes an inquiry to a service control unit. The service control unit screens originators based on originators' attribute information in its possession and service contract information. Then, based on the results of screening, it sends back to the communications control unit instructions to reroute subsequent calls. The communications control unit connects to the information processing unit based on the reply from the service control unit and transfers information. Thus, only the communication requests which satisfy predetermined criteria are connected. The information processing unit compiles statistics on the transferred information based on attribute information in its possession. The statistics are transferred to the information providing unit and to the information processing unit.
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