| 摘要 |
<P>PROBLEM TO BE SOLVED: To notify a called person that a telephone call is returned from a calling person even in the case where the calling person can not be concretely specified. Ž<P>SOLUTION: A cellular phone 10 comprises: a call origination history storage unit 11 for storing a telephone number of an opposite side communication terminal when a call is originated to the opposite side communication terminal; a receiving unit 13 for receiving a call establishment request signal transmitted from a calling terminal (e.g., a cellular phone M); an extraction unit 14 for extracting a telephone number (call incoming signal) of the calling terminal from the call establishment request signal; a determination unit 15 in which when the extracted call incoming signal is stored in the call origination history storage unit 11, it is determined that the call establishment request signal is a signal indicating a telephone call returned from the calling terminal; and an output unit 16 in which, when the call establishment request signal is determined as a signal indicating a returned telephone call, the call incoming signal is outputted while being associated with information indicating the returned telephone call. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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