PURPOSE: To surely secure privacy of a message between users by storing the message to a store device corresponding to a password added thereto and reading only a relevant message based on the password in a message reception request signal and sending the message to a called terminal equipment.
CONSTITUTION: When information representing the reception disable state of a called terminal equipment 17 and the enable state of intercept reception is returned from a controller 22 of a called exchange 4, a caller exchange 3 connects a caller terminal equipment 16 to a message transmitter-receiver 9 and the controller 22 of the called exchange 4 stores the information to relevant buffers 19-21 of a store device 18. When the called terminal equipment 17 sends a message reception request signal RQ1 added with a password '1', the controller 22 reads a message M1 added with the password '1' stored in the buffer 20 of the store device 18 and sends the message to the called terminal equipment 17.
TANIGUCHI JUN
ARAYA KAZUNORI