摘要 |
PROBLEM TO BE SOLVED: To display information despite of a communication mode of a terminal equipment by displaying a message for non-routine communication with an information center when a display is in a display state. SOLUTION: When a time starting periodic communication is informed by a clock 13, whether or not a display state of a display 20 is discriminated. When the display 20 is in the display state, after a connection line between the terminal equipment 1 and the information center 2 is established independently of the communication mode of the terminal equipment 1, aperiodic communication is displayed onto the display 20. When the display 20 is not in the display state, after the connection line between the terminal equipment 1 and the information center 2 is established, it is informed to the information center 2 to execute periodic communication automatically. Through such a constitution, the information is displayed, regardless of the communication mode of the terminal equipment. |