| 摘要 |
PROBLEM TO BE SOLVED: To provide a telephone system wherein a duplicate return call of a telephone number of a missed call to which any telephone terminal in a group can apply return call is prevented and a storage capacity of a missed call history can be reduced. SOLUTION: The telephone system capable of establishing a group incoming call telephone number, whereby each of a plurality terminals 50 can make a return call to one incoming call number, includes the terminals 50 each including a display section 503 for displaying a missed call history and a server 40 that applies deletion of the missed call history display to telephones in the group not executing the return call when the return call is made. COPYRIGHT: (C)2008,JPO&INPIT
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