| 摘要 |
PROBLEM TO BE SOLVED: To provide a telephone set in which security is maintained for telephone call arrival during absence. SOLUTION: Processing to be performed by a control unit 740 constituting a telephone set 700 includes the steps of: generating a signal reporting the arrival of a telephone call from an unspecified caller (S1070) in a case where a telephone number is not registered on a telephone directory (S1030: NO); transferring the generated signal to a registration destination (S1080); and continuing a call originating operation due to the telephone set 700 (S1090). COPYRIGHT: (C)2009,JPO&INPIT
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