An object is to provide a telephone enabling a user of a telephone to readily recognize which telephone user is a source of voice under transmission. This telephone 10 has a receiver 102 for receiving telephone information to specify each of an authorized telephone and unauthorized telephones, a display surface 100 for displaying predetermined information based on the received telephone information, and a display control part 105 for specifying a content of the predetermined information, based on the telephone information received by the receiver 102, and for displaying the content on the display surface 100. The display control part 105 fixedly displays user information to specify a user of the authorized telephone, in a partial region of the display surface 100, and displays at least part of user information to specify users of telephones except for the concerned telephone 10 among the authorized telephone and unauthorized telephones, in a remaining region except for the partial region of the display surface 100.