| 摘要 |
It is equipped with information inquiry means which inquires for service utilization information regarding user's utilization of network on the occasion of receiving a multimedia transmission service by communication server through network, circuit switch communication means and packet switch communication means which communicate with communication server accounting situation monitor means which monitors a use situation of each communication means and, and multimedia transmission service request means which requests for a multimedia transmission service by communication server, on the basis of service utilization information acquired by information inquiry means and result information monitored by accounting situation monitor means, and can receive an optimum multimedia transmission service, responsive to a utilization situation of each communication means.
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