JP2012160842A - Hands-free telephone device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hands-free telephone device which can notify a user of address information for an external terminal upon receiving an incoming call with number notification.SOLUTION: A hands-free telephone device including a transmit/receive unit that transmits and receives signals to and from a plurality of terminals that can communicate with external terminals controls one of the terminals to establish a hands-free call with an external terminal. The hands-free telephone device comprises: a retrieval unit that retrieves, when receiving an incoming call with number notification from the external terminal, address information corresponding to the external terminal from address information registered in the terminal that has received the incoming call. When address information corresponding to the external terminal cannot be retrieved, the retrieval unit retrieves the address information corresponding to the external terminal from address information registered in other terminals, and when the address information can be acquired by retrieval, notifies a user of the acquired address information through a notification unit.

Description

  The present invention relates to a hands-free call device, and more particularly to a hands-free call device that controls a registered receiving terminal to perform a hands-free call with a transmitting terminal.

  In recent years, with the remarkable spread and high functionality of mobile phones, not only the use of mobile phones while walking, but also the situation of using mobile phones while traveling by vehicle or working on a personal computer is increasing. However, the use of a mobile phone by a driver especially during movement by a vehicle is extremely problematic in terms of safety, and is prohibited by law.

  In order to cope with such a situation, a hands-free call device capable of making a call in a hands-free state has been developed. For example, the following Patent Document 1 (Japanese Patent Laid-Open No. 2002-223288) discloses a hands-free communication device that can be mounted on a vehicle. In this hands-free calling device, a plurality of mobile phones are registered as mobile phones for hands-free calling using the mobile phone numbers, and when one of the mobile phones receives an incoming call, the registered mobile phone You can select one to make a hands-free call.

  On the other hand, the mobile phone has a number notification function for displaying the telephone number of the transmitting terminal on the display of the mobile phone that is the receiving terminal. In the following Patent Document 2 (Japanese Patent Laid-Open No. 2009-81525), this number notification function is used, and when a call is received from the transmitting terminal to the mobile phone with the number notification, the mobile phone is connected and a hands-free call is made. An in-vehicle device capable of transmitting user information such as the name of a sender corresponding to a telephone number of a transmission terminal to the in-vehicle device capable of performing the above and displaying the information on a display device is disclosed.

JP 2002-223288 A (paragraphs [0022], [0036] to [0038]) JP 2009-81525 A (paragraphs [0050] to [0052])

  However, in the case of Patent Document 2, it is assumed that user information for display is registered in the mobile phone. Therefore, when the user information of the sending terminal is not registered, for example, when the receiver has not updated the address book of the mobile phone, or when the sender makes a call based on the phone number obtained from the friend of the receiver. In this case, since the user information cannot be displayed, the receiver cannot confirm the sender.

  An object of the present invention is to provide a hands-free call device capable of notifying the user information of a transmitting terminal when an incoming call accompanied by a number notification is made. It is the purpose.

In order to solve the above-mentioned problem, the invention according to claim 1 of the present application includes a transmission / reception unit that transmits and receives signals to and from a plurality of terminals that can communicate with an external terminal, and one terminal among the plurality of terminals In a hands-free call device for controlling a call with the external terminal,
A search unit that searches for address information corresponding to the external terminal from address information registered in the terminal that has received the incoming call when an incoming call with a number notification is received from the external terminal; When the address information corresponding to the external terminal cannot be searched, the address information corresponding to the external terminal is searched from the address information registered in the other terminal, and the address information can be acquired by the search. The address information is notified through a notification unit.

  The invention according to claim 2 of the present application is the hands-free call device according to claim 1, further comprising a storage unit that stores the registered address information for each of the receiving terminals, and the search unit is stored in the storage unit. The stored address information is searched.

The invention according to claim 1 includes a transmission / reception unit that transmits and receives signals to and from a plurality of terminals that can communicate with an external terminal, and controls a call between one terminal and the external terminal among the plurality of terminals. In hands-free call device,
A search unit that searches for address information corresponding to the external terminal from address information registered in the terminal that has received the incoming call when an incoming call with a number notification is received from the external terminal; When the address information corresponding to the external terminal cannot be searched, the address information corresponding to the external terminal is searched from the address information registered in the other terminal, and the address information can be acquired by the search. The address information is notified via a notification unit.

  With this configuration, even when the address information of the external terminal is not registered in the terminal that received the incoming call, the address information of the external terminal registered in the other terminal is acquired and notified to the user. can do. Thereby, even if the address information of the external terminal is not registered or the address information is not updated, the user information of the external terminal can be confirmed.

  In the invention according to claim 2, in the hands-free call device according to claim 1, address information of a plurality of registered receiving terminals is stored in a storage unit, and the corresponding external terminal is determined from these address information Can be obtained and notified to the user.

It is explanatory drawing of the hands-free call apparatus mounted in the vehicle concerning the Example of this invention. 1 is a configuration block diagram of a hands-free call device according to an embodiment of the present invention. It is a block diagram of a mobile terminal controlled by the hands-free call device according to the embodiment of the present invention. It is a processing flowchart of the hands-free call by the hands-free call device according to the embodiment of the present invention. It is a processing flowchart of the hands-free call by the hands-free call device according to the embodiment of the present invention. It is a processing flowchart of the hands-free call by the hands-free call device according to the embodiment of the present invention. It is explanatory drawing of the menu screen in the hands-free call apparatus concerning the Example of this invention. It is explanatory drawing of the registration screen of the receiving terminal registered into the hands-free call apparatus concerning the Example of this invention.

  Hereinafter, specific examples of the present invention will be described in detail with reference to examples and drawings. However, the embodiment described below exemplifies a hands-free call device for embodying the technical idea of the present invention, and is not intended to specify the present invention as this hands-free call device. However, the present invention is equally applicable to the hands-free communication device of other embodiments included in the scope of claims.

  FIG. 1 is an explanatory diagram of a hands-free call device according to an embodiment of the present invention. The hands-free call device is a navigation device 11 mounted on the vehicle 10, and a plurality of mobile phones A and B (registered terminals) and an external mobile phone C (external terminal) are connected via the navigation device 11. It is configured to be communicable. The mobile phones A and B are terminals that are registered in the navigation device 11 in advance and are brought into the vehicle 10.

  In order to perform a hands-free call with an external mobile phone C via the navigation device 11, the mobile phones A and B need to be registered in advance with the navigation device 11.

  The navigation device 11 having a hands-free function always waits for a signal transmitted from the peripheral device (cell phone A, B) when the device is activated when the vehicle engine is turned on (the presence of the peripheral device). If the hands-free function is set to ON (optional setting by the user) in mobile phones A and B having a hands-free function, a signal is always transmitted to the surroundings. Keep doing. Accordingly, when the mobile phones A and B whose hands-free function is set to ON are in the vicinity of the navigation device 11 having the hands-free function (for example, in the vehicle 10), the navigation device 11 is connected to the mobile phone A, The presence of B can be detected. And when there is an incoming call from the external mobile phone C to the mobile phones A and B in the vehicle 10, it is possible to connect to the mobile phones A and B and start a hands-free call. At this time, the users of the connected mobile phones A and B may not intend to use the hands-free function.

  For example, when a hands-free call is made, the voice of the user of the mobile phone C can be heard in the vehicle 10, so that when there is a passenger, the user who does not want to hear the conversation with the user of the mobile phone C There is also.

  For this reason, for a user who intends to make a hands-free call through the navigation device 11, the mobile phones A and B that he / she owns are registered in advance with the navigation device 11 and the registered mobile phones A and B are registered. The system allows hands-free calls only when an incoming call is received.

  FIG. 2 is a configuration block diagram of the navigation device 11, and FIG. 3 is a configuration block diagram of mobile phones A and B connectable to the navigation device 11.

  The navigation device 11 detects the current position of the vehicle 10 and displays it on the display unit 23 together with a map image. The navigation device 11 has a function of assisting the user to move to the destination, and the mobile phone A brought into the vehicle 10. , B is a hands-free call device that performs hands-free call control with B.

  The navigation device 11 includes a control unit 14, a current position detection unit 15, a route search unit 16, a map information storage unit 17, an address information storage unit 18 (storage unit), a mobile phone registration information storage unit 19, and an address information search unit 20 ( A search unit, a request unit), a short-range wireless communication unit 21 (transmission / reception unit), an operation unit 22, a display unit 23 (informing unit), a microphone 24, and a speaker 25 (informing unit) are configured.

  The control unit 14 includes a CPU 26, a ROM 27, and a RAM 28. The CPU 26 executes a control program stored in the ROM 27 and / or the RAM 28, thereby controlling and supervising operations of each unit of the navigation device 11.

  The current position detector 15 receives signals from a plurality of GPS satellites orbiting over the earth at predetermined time intervals, and based on the time information and satellite position information included in the signals, the current position of the vehicle 10 Calculate the position.

  The route search unit 16 searches for an optimum route (guide route) by referring to the map information stored in the map information storage unit 17 in accordance with the route search condition input by the user. The route search unit 16 searches for a link from the road node corresponding to the departure point or the current position to the node corresponding to the destination by a method such as the Dijkstra method, and accumulates the link length (link cost) and the required time. Then, a route having the shortest total link length (travel distance) or total required time is searched as a guide route. In addition, the route search part 16 may acquire map information from an external information provision server via a communication means, and may perform a route search. Moreover, a route search part can be installed in an external information provision server with map information, and it can also comprise so that the navigation apparatus 11 may acquire a guidance route from the outside.

  In the present embodiment, the route search unit 16 is provided as a configuration different from the CPU 26, but the present invention is not limited to this, and the CPU 26 stores the map information storage unit 17 based on the route search program stored in the ROM 27. The optimum route may be searched with reference to the map information stored in the map.

  The map information storage unit 17 holds map information composed of road data, building data, background data, and text data. The road data is composed of node data in which roads are nodes such as inflection points and branch points, and link data in which routes connecting the respective nodes are links. The node data includes data of node attributes such as node numbers, node position coordinates, intersection information and intersection name information, the number of connection links, and connection link numbers. The link data includes the node numbers that are the start and end points of the link, the road type to distinguish highways, ordinary roads, streets, etc., the road type and distance to distinguish main roads, connecting roads, and branch roads of each road. And / or including the required time, road name such as National Route ○, and data of the traveling direction.

  In addition to the above, the link data includes data such as bridges, tunnels, railroad crossings, and tollgates as link attributes. The building data includes data on building position coordinates, types of buildings such as stations, buildings, and private houses, and display colors. The background data is configured to include position coordinates and display color data to be background image data such as coastlines, lakes, river shapes, and forests. The text data includes characters (names) such as place names and river names, and data of their coordinates.

  The address information storage unit 18 stores mobile phone address information (user information) registered in the navigation device 11. The address information records the telephone number, name, etc. of the mobile phone C, and is used to select a desired call destination (mobile phone C) from the address information when making a call from the mobile phones A and B. On the other hand, when there is an incoming call from the mobile phone C, it is used to notify the user of the address information of the mobile phone C through the display unit 23 and / or the speaker 25.

  The mobile phone registration information storage unit 19 stores registration information for a plurality of mobile phones A and B registered in the navigation device 11.

  FIG. 8 shows registration information concerning four mobile phones registered in the navigation device 11. The registration information includes identification information of the registered mobile phones A and B, presence / absence of connection indicating whether or not the mobile phones A and B are connected to the navigation device 11, carriers of the mobile phones A and B, mobile phone A , B, the telephone number of the mobile phone of the call destination set as a discount target is stored.

  Note that the identification information of the mobile phones A and B is, for example, a device ID, an address, a telephone number, and the like, and any information can be used as long as the mobile phones A and B can be specified.

  Information indicating whether or not connected to the navigation device 11 refers to whether or not a setting for performing a hands-free call with the external mobile phone C is actually made with the navigation device 11. Information.

  In order to perform a hands-free call with an external mobile phone C via the navigation device 11, it is necessary to register the mobile phone in the navigation device 11 and further make a hands-free connection with the navigation device 11.

  When the mobile phone A or B registered in the navigation device 11 receives an incoming call with a number notification from an external mobile phone C, the address information search unit 20 sends the incoming call to the mobile phone A or B that has received the incoming call. Corresponding address information is read from the address information storage unit 18 to search for address information having identification information that matches the identification information included in the incoming signal from the mobile phone C that is the destination. Note that the address information does not necessarily need to be stored in the address information storage unit 18 of the navigation device 11, and when searching, the address information storage unit 37 (FIG. 3) of each of the mobile phones A and B is accessed. You may make it search.

  The short-range wireless communication unit 21 performs wireless communication with the mobile phones A and B brought into the vehicle 10, acquires address information and registration information from the mobile phones A and B, and transmits the mobile phones A and B to the mobile phone A and B. Via this, voice information for a call is exchanged with an external mobile phone C. For the short-range wireless communication unit 21, for example, Bluetooth or WiFi can be used.

  The operation unit 22 is used for various operations of the navigation device 11, for example, a means for inputting route search conditions such as a departure point, a destination, and a waypoint for route search, and necessary information including address information from the mobile phones A and B. It functions as a means for giving instructions for acquiring mobile phone A, B, registration means for mobile phones A, B, a means for selecting mobile phones A, B to be used, etc. The

  The display unit 23 is a unit for displaying the current position of the vehicle 10, a map image, a guidance route, etc., a unit for displaying address information of a call destination, a unit for displaying an operation image necessary for work using the operation unit 22, etc. For example, it is composed of a liquid crystal display panel.

  The microphone 24 is a means for instructing the navigation device 11 by voice and for making a hands-free call with the callee via the mobile phones A and B. The speaker 25 is means for outputting voice information related to route guidance information, means for notifying address information of a call destination, and means for outputting voice of the call destination via the mobile phones A and B.

  In FIG. 3, mobile phones A and B connected to the navigation device 11 are a control unit 30, an operation unit 31, a display unit 32, a microphone 33, a speaker 34, a call transmission / reception unit 35, a short-range wireless communication unit 36, and an address. An information storage unit 37 is provided.

  The control unit 30 includes a CPU 38, a ROM 39, and a RAM 40. The CPU 38 executes a control program stored in the ROM 39 and / or the RAM 40, thereby controlling and supervising the operations of the respective units of the mobile phones A and B.

  The operation unit 31 functions as various operations of the mobile phones A and B, for example, a means for inputting the telephone number of the mobile phone C that is a call destination, a means for instructing the navigation apparatus 11 to transmit address information, and the like. For example, it is composed of keys and a touch panel. The display unit 32 functions as means for displaying an operation image necessary for work using the operation unit 31, and is configured by, for example, a liquid crystal display panel. The microphone 33 is means for making a call with the destination, and the speaker 34 is means for outputting sound from the destination.

  The call transmission / reception unit 35 transmits / receives a signal for a call to / from an external mobile phone C.

  The short-range wireless communication unit 36 performs wireless communication with the navigation device 11 and transmits the address information and registration information of the mobile phones A and B to the navigation device 11. The short-range wireless communication unit 36 transmits and receives voice information for a call with the navigation device 11. For the short-range wireless communication unit 36, for example, Bluetooth or WiFi can be used.

  The address information storage unit 37 stores address information registered in each of the mobile phones A and B.

  Next, the operation of the navigation device 11 which is a hands-free call device configured as described above will be described.

  First, a route search operation by the navigation device 11 will be briefly described. When the user inputs a departure point, a waypoint, and a destination using the operation unit 22, the route search unit 16 passes from the departure point via the waypoint based on the map information stored in the map information storage unit 17. The optimum guide route to the destination is searched, and the guide route is displayed on the display unit 23 together with the map image. Further, the display unit 23 displays the current position of the vehicle 10 detected by the current position detection unit 15 together with the guidance route. The user can easily move to the destination according to the displayed information.

  Next, a case where a hands-free call is performed using the navigation device 11 will be described with reference to the flowcharts of FIGS.

  In order to perform a hands-free call, mobile phones A and B that perform a hands-free call are registered in advance in the navigation device 11 and the mobile phones A and B and the navigation device 11 can be connected. There must be. In this case, the “connectable state” means a state where the short-range wireless communication unit 36 of the mobile phones A and B can communicate with the short-range wireless communication unit 21 of the navigation device 11 (for example, a state where the hands-free setting is ON). ) Is set.

  When the power of the navigation device 11 is turned on, the control unit 14 searches for whether the mobile phones A and B registered in the mobile phone registration information storage unit 19 exist in the vicinity of the navigation device 11. Is started (step S101). Note that the cellular phones A and B can be registered in advance by selecting the “Setting” button on the menu screen shown in FIG. FIG. 8 shows a list of registered mobile phones, and FIG. 8 illustrates a case where four mobile phones are registered.

  In the following description, it is assumed that two mobile phones A and B are registered in the navigation device 11.

  First, the control unit 14 searches for whether or not the registered mobile phone A is in the vicinity of the navigation device 11, for example, in the vehicle 10 (step S102). In this case, the short-range wireless communication unit 21 of the navigation device 11 is in a state of waiting for a signal from a peripheral device within a predetermined range. When the short-range wireless communication unit 21 receives a signal from the peripheral device, the control unit 14 Compares the information (identification information) contained in the signal with the registration information of the mobile phone A registered in the mobile phone registration information storage unit 19, and the received signal is a signal from the mobile phone A If determined (step S103, YES), the presence information is temporarily stored in the RAM 28 of the control unit 14 assuming that the mobile phone A exists in the vicinity of the navigation device 11 (step S104). The process proceeds to step S105.

  If it is determined in step S103 that the mobile phone A does not exist in the vicinity of the navigation device 11, the process proceeds to step S105 without performing step S104.

  In the process of step S105, the control unit 14 searches whether the registered mobile phone B is in the vicinity of the navigation device 11, for example, in the vehicle 10 (step S105). If it is determined that the received signal is a signal from the mobile phone B (step S106, YES), it is assumed that the mobile phone B exists in the vicinity of the navigation device 11, and the presence information is temporarily stored in the RAM 28 of the control unit 14. Store (step S107) and proceed to step S108.

  If it is determined in step S106 that the mobile phone B does not exist in the vicinity of the navigation device 11, the process proceeds to step S108 without performing step S107.

  If only one of the mobile phones A and B registered in the vicinity of the navigation device 11 exists in the determination results in steps S103 and S106, or none of them exists (step S108, NO), FIG. The process proceeds to step S201 shown.

  When only the mobile phone A exists in the vicinity of the navigation device 11 (step S201, YES), the navigation device 11 connects the mobile phone A as a terminal capable of hands-free calling (step S202). If only the mobile phone B exists in the vicinity of the navigation device 11 (step S203, YES), the navigation device 11 connects the mobile phone B as a terminal capable of hands-free calling (step S204). Furthermore, if neither mobile phone A or B exists in the vicinity of the navigation device 11 (NO in step S203), the process returns to step S102, and the search processing for the mobile phones A and B is performed again.

  Next, when one of the mobile phones A and B is connected to the navigation device 11, it is determined whether or not communication with the connected mobile phones A and B can be maintained (step S205). ). For example, when it is determined that the user who has the connected mobile phone A moves out of the vehicle 10 and cannot communicate with the mobile phone A (step S205, NO), the control unit 14 sends another mobile phone. It is determined whether or not communication with the telephone B is possible (step S206). When it is determined that communication with another mobile phone B is possible (step S206, YES), the control unit 14 switches the connection destination to the mobile phone B (step S207). If communication with another mobile phone B is not possible (step S206, NO), the process returns to the process of step S102 and the search processing of the mobile phones A and B is performed again.

  If it is determined in step S205 that communication with any of the connected mobile phones A and B can be maintained, a hands-free connection with the mobile phones A and B is maintained, and the navigation device 11 is turned off (step S208, YES), the hands-free connection is terminated.

  On the other hand, in the determination results in steps S103 and S106, when both mobile phones A and B registered in the vicinity of the navigation device 11 exist (step S108, YES), the mobile phone A is in contact with the navigation device 11. If it is set in advance as a terminal for hands-free connection (step S109, YES), the mobile phone A is connected to the navigation device 11 (step S110), and the mobile phone B is connected to the navigation device 11. If the terminal is set in advance as a terminal for hands-free connection (step S109, NO), the mobile phone B is connected to the navigation device 11 (step S111).

  In this way, after the mobile phone A or B is connected to the navigation device 11, an incoming call from the external mobile phone C is awaited. In the following description, it is assumed that the mobile phone A is connected to the navigation device 11.

  Therefore, if there is an incoming call with a number notification from the mobile phone C in the connected mobile phone A (step S301, YES, FIG. 6), the mobile phone A sends the incoming information including the number notification to the short-range wireless communication unit 36. To the near field communication unit 21 of the navigation device 11.

  The address information search unit 20 of the navigation device 11 includes the identification information of the cellular phone C included in the incoming information received from the cellular phone A, and the identification information of the address information of the cellular phone A stored in the address information storage unit 18. Is matched. When the address information corresponding to the identification information of the mobile phone C is searched as a result of the collation (step S302, YES), the address information of the mobile phone C is displayed on the display unit 23, and the speaker 25 is turned on as necessary. The address information of the mobile phone C is notified to the user by driving (step S303). The address information to be notified can be, for example, the name of the owner of the mobile phone C stored in the address information storage unit 18. The user can confirm who has received the call according to the notified address information.

  On the other hand, when the address information corresponding to the identification information of the mobile phone C cannot be searched from the address information of the mobile phone A (step S302, NO), the address information search unit 20 requests the mobile phone B for the address information, The mobile phone B address information is acquired (step S304), and the identification information of the mobile phone C included in the incoming call information is compared with the acquired identification information of the mobile phone B address information. As a result of the collation, when the address information corresponding to the phone number of the mobile phone C is searched (step S305, YES), the address information of the searched mobile phone C is displayed on the display unit 23, and if necessary, The speaker 25 is driven to notify the user of the address information of the mobile phone C by voice (step S303).

  In this way, for example, even when the address information of the mobile phone A is not updated and the address information of the mobile phone C cannot be retrieved, the address information of the other mobile phone B is used to Address information can be acquired and notified.

  The user can determine whether or not to respond to the incoming call based on the address information notified in accordance with the incoming call from the mobile phone C accompanied by the number notification. When the user responds to the incoming call (step S306, YES), a hands-free call can be performed via the navigation device 11 (step S307). In this case, the user's voice input to the microphone 24 of the navigation device 11 is transmitted as a voice signal to the short-range wireless communication unit 36 of the mobile phone A connected from the short-range wireless communication unit 21, and then transmitted / received by a call The data is transmitted from the unit 35 to the external mobile phone C. On the other hand, the audio signal from the external mobile phone C is received by the call transmitting / receiving unit 35 of the mobile phone A, and then transmitted from the short-range wireless communication unit 36 to the short-range wireless communication unit 21 of the navigation device 11. The other party's voice is output from the speaker 25 of the navigation device 11.

  In addition, the user does not respond to the incoming call (step S306, NO), and can terminate the incoming call as it is (step S308, YES).

  After the call is over (step S307, YES) or no incoming response is made (step S308, YES), when the navigation device 11 is turned off, the hands-free connection is terminated (step S309).

  In addition, this invention is not limited to the Example mentioned above, It can change in the range which does not deviate from the summary of this invention.

  For example, the address information of the mobile phone A has been described as being read from the mobile phone A and stored in the address information storage unit 18 of the navigation device 11, but the mobile phones A and B can be connected to the navigation device 11. If there is an incoming call from the mobile phone C, the address information is read from each of the mobile phones A and B, and the phone number included in the address information is compared with the phone number of the mobile phone C. May be. The address information of the mobile phone B has been described as requesting the mobile phone B for the address information when the mobile phone C's address information cannot be searched, but the address information storage unit 18 stores the address information of the mobile phone B. In addition, the address information of the mobile phone B may be requested and acquired from the address information storage unit 18.

  Further, the hands-free communication device is not limited to the navigation device 11 mounted on the vehicle 10, and various devices including a personal computer can be applied as long as they can communicate with the terminal. The terminal connected to the hands-free call device may be a communication device other than the mobile phones A and B as long as it communicates with an external terminal.

DESCRIPTION OF SYMBOLS 10 ... Vehicle 11 ... Navigation apparatus 14, 30 ... Control part 15 ... Current position detection part 16 ... Route search part 17 ... Map information storage part 18, 37 ... Address information Storage unit 19 ... Mobile terminal registration information storage unit 20 ... Address information search unit 21 and 36 ... Short-range wireless communication unit 22 and 31 ... Operation units 23 and 32 ... Display units 24 and 33 ... Mic 25, 34 ... Speaker 35 ... Call transmission / reception units A to C ... Mobile phone

Claims (2)

In a hands-free call device that includes a transmission / reception unit that transmits and receives signals to and from a plurality of terminals that can communicate with an external terminal, and controls a call between one terminal and the external terminal among the plurality of terminals.
A search unit that searches for address information corresponding to the external terminal from address information registered in the terminal that has received the incoming call when an incoming call with a number notification is received from the external terminal; When the address information corresponding to the external terminal cannot be searched, the address information corresponding to the external terminal is searched from the address information registered in the other terminal, and the address information can be acquired by the search. A hands-free call device that reports the address information via a notification unit. The hands-free call device according to claim 1,
A hands-free call device comprising: a storage unit that stores the address information for each of the plurality of terminals, wherein the search unit searches for the address information stored in the storage unit.

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