To provide an outgoing and incoming call display capable of viewing the outgoing and incoming call of a mobile object communication equipment easily concerning the display for displaying the outgoing and incoming call of the mobile object communication equipment in the case of performing data communication with the mobile object communication equipment connected to an information processor.

The display 1 has a light emitting part and a holding part. When PC 11 and the mobile object communication equipment are connected to perform data communication, if the equipment 28 is connected to a line, a light emitting diode in the display 1 emits light. In the case of viewing the display 1 keeping light emission though reading a home page or the transmission/reception of an electronic mail on the Internet is finished, an operator can obtain that the line of the equipment 28 is connected unnecessarily. Toll charging due to unnecessary communication time can be prevented by preventing forgetting to disconnect the line.