| 摘要 |
PURPOSE: A method for automatically converting into a recipient charged telephone service is provided to enable a receiver to pay telephone charges of a specific caller by inputting a telephone number of a caller in a telephone for paying telephone charges of the caller using a telephone having a caller number confirmation function. CONSTITUTION: A receiver having a telephone including a caller number confirmation function registers an automatic conversion using registration of a receiver charging telephone service(S301). The receiver inputs a caller number in one's telephone for setting a receiver charging telephone service(S302). If a telephone is called in the receiver's telephone having the caller number confirmation function(S303), a switching system compares a stored caller number list with the telephone number of the caller(S304). If the telephone number of the caller is existed in the stored caller number list, a notification for informing a receiver charging telephone service is displayed to the caller and the receiver through a liquid crystal or a sound(S305). When the telephone calling is terminated(S306), the switching system displays a call duration and the charge on a screen of the receiver's telephone(S307).
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