It is an object of the present invention to improve the convenience for users by enabling messages during call out from the user of the communication terminal on the outgoing side to the user of a communication terminal on the incoming side, which are transmitted from the communication terminal on the outgoing side, to be checked by the user of the communication terminal on the outgoing side when calling out. The outgoing terminal 10a includes a display device 11, a call connection establishment unit 12 that transmits call out signals for calling out to the incoming terminal 10b, a transmitted information setting and adding unit 13 that adds display information that is displayed in the incoming terminal 10b to the call out signal, and a display control unit 14 that displays on the display device 11 the display information added to the call out signal when the call out signal is transmitted.