Abstract: A communication (on-board) device 10 of the invention has: a communication unit 110 communicating with a portable device 30; an unconfirmed information obtaining unit 120 obtaining unconfirmed information from the portable device 30 which a user has not confirmed at the portable device 30 at the time of communication establishment by the communication unit 110; and an information output unit 150 displaying or outputting audibly the obtained unconfirmed information. In this case, it is preferable that unread mail information regarding one or more electronic mails unread at the time of the communication establishment and/or missed call information regarding one or more missed calls received before the communication has been established be obtained as the unconfirmed information.

Abstract: A vehicle-mounted device or the like is provided by which a content of an electronic mail can be notified by a driver without disturbing safety driving. A vehicle-mounted device 10 has: a communication unit 110 which communicates with a portable device having an electronic mail function; an electronic mail obtaining unit 120 which obtains from the portable device 30 an electronic mail received by the portable device 30; a mail output length calculation unit 150 which calculates mail output length which is output length of the obtained electronic mail text; a destination setting unit 180 which sets a destination; and a text output unit 220 which displays or outputs audibly the electronic mail text based on the mail output length calculated by the mail output length calculation unit 150 and a predetermined condition corresponding to the destination set by the destination setting unit 180.

Abstract: An on-board device 10 has: a communication unit 110 that carries out communication with a portable device 30 that has a transfer reservation function of place information indicating an arbitrary place; a place information acquisition unit 130 that acquires the place information from the portable device 30 after the communication is established; a place information determination unit 140 that determines a category of processing relating to the place information acquired by the place information acquisition unit 130; a place information processing unit 200 that at least registers a place or sets a destination using the place information based on the category determined by the place information determination unit 140; and a route guidance unit 180 that guides a route to a destination when the destination has been set.

Abstract: An on-board device 10 of the invention has: a destination setting unit 110 with which a destination is set; a route guidance unit 130 that provides route guidance for a vehicle until a parking location that corresponds to the destination; a destination information transmitter 140 that transmits destination information indicating the destination to a portable device 30; and an arrival confirmation information receiver 160 that receives from the portable device 30 arrival confirmation information indicating that the destination has been reached. The route guidance unit 130 ends the route guidance for the vehicle to the parking location when the destination information has been transmitted or the arrival confirmation information has been received.