| 摘要 |
In order to facilitate an operation of registering a telephone number from history information into a group, a mobile phone includes a flash memory for storing a phone book, a history storing portion which stores history information including telephone numbers of past communication partners, a history displaying portion which displays history information, a selecting portion which selects, as a process target, one of a plurality of pieces of the history information being displayed, and a display switching portion which, when the phone book includes a first telephone number and a second telephone number, switches a display to either the first telephone number or the second telephone number in response to an input of an operation of switching a display. When the process target is changed, the display switching portion displays one of the first communication identification information and the second communication identification information, included in the history information newly selected as the process target, that is the same as the one that had been displayed when the history information was previously selected as the process target.
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