| 摘要 |
<p>A communication system in which a calling party mobile station is capable of automatically obtaining information on a plurality of currently available communication modes of a called party mobile station and charge rate information to enable a user of the calling party mobile station to determine which mode is to be used for communication with the called party mobile station based on the information thus obtained. The called party mobile station notifies information on currently available communication modes to a circuit switching station. The circuit switching station stores position information and communication mode information of the called party mobile station, and obtains information on the service provider and so on of the called party mobile station from another switching station. The calling party mobile station places a call for the called party mobile station, to the circuit switching station. The circuit switching station obtains registered information of the called party mobile station from the circuit switching station, calculates a unit price, and notifies the unit price to the calling party mobile station. The calling party mobile station displays the unit price to enable the user to select a communication mode and originate a call.</p> |
