MAIN DEVICE AND NOTIFICATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a technology for notifying a person concerned of various notification content in an appropriate timing by using a telephone set without adding a dedicated device.SOLUTION: A main device 1 includes: a notification event data storage unit 16 for storing notification event data including at least notification time, notification destination information and notification content; and a notification event processing unit 20 for monitoring the arrival of the notification time of the notification event data stored in the notification event data storage unit 16 to process the notification event data whose notification time has arrived. The notification event processing unit 20 specifies an extension telephone set 2 of the notification destination from among a plurality of extension telephone sets 2 stored in the main device 1 on the basis of the notification destination information of the notification event data whose notification time has arrived, and allows the extension telephone set 2 of the notification destination to display the notification content included in the notification event data.