A unit for realizing a TV phone by using an image and a character message by a relatively simple method in a manner mode is provided. In the manner mode of one mobile TV phone terminal, a control unit for controlling the operation of the one mobile TV phone terminal prohibits the sound input via a microphone of the one mobile TV phone terminal and the sound output via a speaker and operates an SMS function with a TV phone function. A line between the one mobile TV phone terminal and another one is connected, an SMS message is created by operating a key input unit of the one mobile TV phone terminal, and a send key is pressed. Then, the message data is sent to the other mobile TV phone terminal via one base station, an SMS server, and another base station. A display unit of the other mobile TV phone terminal displays the message together with the image sent via a TV phone exchange.