To provide a technique capable of setting an appropriate incoming response mode to a telephone terminal according to a user work state.

A response message distribution device 1 includes a presence server function, and receives and manages user presence information from a plurality of devices 2-6 used by a user. Also, the response message distribution device 1 is a communication terminal used by the user, and manages communication terminals 2-4 in a response message receivable state, as a distribution terminal for the user. Whenever the user presence information is changed, the response message distribution device 1 extracts a response message associated with the changed presence information from among a plurality of response messages registered in association with the presence information, to distribute the extracted response message to the whole distribution terminals of the user.