Importance

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Abstract

A cellular phone which, when a communication channel is disconnected because of deterioration of field strength while a call is in progress, waits for recovery of the field strength and reinitiates a call. The cellular phone includes telephone number storage means 12 for storing a telephone number of a called party when originating a call or storing a telephone number of a calling party when receiving an incoming call; number-for-call-reestablishment registration means 13 for storing a telephone number of the called/calling party input by the user; and call reestablishment processing means 14 for automatically reinitiating a call by dialing the telephone number stored in the telephone number storage means or the number-for-call-reestablishment registration means. Even when the cellular phone receives an incoming call, the telephone unit automatically reinitiates a call if the telephone unit has received the telephone number of the calling party. In contrast, even when the telephone unit has not received the telephone number from the calling party, the telephone unit automatically reinitiates a call at a point in time when the field strength recovers to its original state by dialing the telephone number of the calling party registered by the user.

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First Claim