SIMULTANEOUS MESSAGING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a simultaneous messaging device that simultaneously calls two notice destinations through the use of an ISDN so as to quickly and efficiently inform them of message information. SOLUTION: A storage means 17 stores a plurality of notice destination telephone numbers to which an event is to be notified and connected to an ISDN via an ISDN interface circuit 23, and on the occurrence of an event, two message transmission telephone numbers 17b that are notice destination telephone numbers stored in the storage means 17 are read. Furthermore, two communication B channels of the ISDN are reserved via the ISDN interface circuit 23 and the two notice destination telephone numbers are dialed simultaneously to call the two notice destinations and when both the notice destinations reply the call, contents of the even are simultaneously transmitted to both the notice destinations.