| 摘要 |
A portable telephone set having an additional function unit as well as communication function unit includes stopping means 106 for stopping the operation of communication function unit. In response to the stopping operation of communication function unit 110, the portable telephone set 1 is repeatedly operative for a predetermined time for checking presence of the arrival call and/or mail to its own telephone set and displaying the arrival call and/or mail and/or a telephone number for the arrival call and/or an address for the mail.
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