| 摘要 |
PROBLEM TO BE SOLVED: To prevent generation of an erroneous call and deterioration of user-friendliness even when a call is performed using data such as incoming call history created in a wireless LAN dual terminal. SOLUTION: Whether the call from a slave unit accepted through an extension I/F 13 is the call to a telephone network to be connected through an external line I/F 11 or the call to the slave unit to be connected through the extension I/F 13 is analyzed by a dial analysis part 143. When an analysis result in the dial analysis part 143 is the call to the slave unit, an identifier for identifying a system to which a call source belongs to a calling number to be notified to a call termination destination by a call control part 141. COPYRIGHT: (C)2011,JPO&INPIT
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