| 摘要 |
PURPOSE: To always surely deliver an intended message by providing a message table synchronizing means matching the set contents of the message table on the side of a callee with the message table on the side of a caller. CONSTITUTION: If the side of a caller also possesses the device 27 having the same constitution as that of the device 31 of the side of a callee and the data tables having the same contents are always held within each message memory of the device 27 and the device 31, the message that the side of the caller intends and the message that the side of the callee receives are prevented from going crisscross with each other due to the difference of the correspondence of the message and the message number. By transmitting the contents of the message table which is newly prepared in the device 27 on the side of the caller and is stored in the message memory by radio by using the portable telephone set 29 in the device 27, receiving this contents by using the portable telephone part in the device 31 on the side of the callee and storing the contents within the message memory within the device 31, the contents of the message table of the device 31 is matched with the contents of the device 27. |
