| 摘要 |
PROBLEM TO BE SOLVED: To provide a mail terminal and a radio terminal capable of preventing discrepancy between image display in a slave unit side and an actual status in the mail terminal that houses the radio terminal and a line and comprises a system control unit and a radio control unit for controlling the radio terminal. SOLUTION: In this mail terminal that houses the radio terminal such as a cordless slave unit, etc., and the line and comprises the system control unit and the radio terminal control unit, a system unit unitarily manages a mail status, and each time the radio terminal displays mail list data, the latest data are read from the system unit, transferred to the slave unit, and subsequently displayed on the radio terminal.
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