JP4244179B2 - In-vehicle device and communication method thereof - Google Patents

Description

  The present invention relates to an in-vehicle device and a communication method therefor, and in particular, by transferring a telephone from a mobile phone number to an IP phone number, browsing an e-mail, a homepage, downloading information, etc. at the same time as a call via the Internet. The present invention relates to an in-vehicle device and a communication method thereof.

An automobile phone is equipped with an in-vehicle device in an automobile, and a mobile phone is connected to the in-vehicle device to make a hands-free call. Recently, it has become possible to make a hands-free call without connecting a mobile phone to the in-vehicle device by wirelessly connecting the in-vehicle device and the mobile phone via Bluetooth or the like.
By the way, in-vehicle devices have become highly functional due to technological advances, and in addition to the above-mentioned car phone function, they have the same functions as a personal computer. ) Can be downloaded. In addition, an IP phone can be used by installing an Internet phone application (IP phone application). The IP telephone is a telephone using the IP network (see, for example, Patent Document 1), and is connected to the IP network and the general subscriber telephone network via a modem, and calls to the IP telephone are performed via the IP network. , 104, the call to the mobile phone is made through the general telephone network.
See JP 2000-138752 A

As described above, when a mobile phone is brought into an automobile and connected to the in-vehicle device, it is possible to make a hands-free call using the mobile phone number. However, when a phone call is made with a mobile phone, the in-vehicle device cannot connect to the Internet to browse e-mails or home pages, download various information (map data, music data), or the like.
If you make a call using an IP phone number when making a call, you can communicate with each Internet service while making a call with an IP phone, browsing e-mails and websites, and various information (map data, music data) You can download it. However, when a mobile phone number is received and a call is in progress, the in-vehicle device cannot be connected to the Internet at the same time, and e-mail and homepage browsing, downloading of various information (map data, music data), etc. cannot be performed. Conventionally, a technique for solving such a problem has not been proposed.
Accordingly, it is an object of the present invention to be able to receive various Internet services simultaneously with a call when a call is made to a mobile phone connected to an in-vehicle device.

  The present invention is a communication method for an in-vehicle device that is connected to the Internet via a mobile phone and is equipped with an IP phone application that enables an IP phone, and monitors whether the mobile phone and the in-vehicle device can communicate with each other. When communication becomes possible, the telephone network is registered so that a call to the mobile phone number is transferred to the IP phone number. When there is a call to the mobile phone number, the telephone network transfers the call to the registered IP phone number.

  According to the present invention, even when a call is made to a mobile phone connected to an in-vehicle device, a call with a caller can be made by transferring the call to an IP phone number, and at the same time, various Internet services (e-mail and homepage) Browsing, downloading map data, music data, etc.).

  In the communication method of the in-vehicle device that is connected to the Internet via a mobile phone and is equipped with an IP phone application that enables an IP phone, it is monitored whether the mobile phone and the in-vehicle device can communicate with each other. When a call to a mobile phone number is registered in the telephone network to be transferred to the IP phone number, the telephone network transfers the call to the registered IP phone number when there is a call to the mobile phone number. . As described above, since the call received from the mobile phone number is transferred to the IP phone number, it is possible to browse the mail, the homepage, download the information and the like simultaneously with the call via the Internet.

FIG. 1 is a configuration diagram of an in-vehicle device according to the present invention. In-vehicle device 10 has a function equivalent to a personal computer in addition to a hands-free function of a car phone, and is connected to the Internet via a mobile phone 20 to be used for an e-mail or a homepage. Browsing, downloading of various information (map data, music data), IP phone, etc. are possible.
The mobile phone 20 is placed on the placement unit 11 of the in-vehicle device 10, and the detection unit 12 detects that the mobile phone 20 is placed and inputs it to the control unit 13. The communication IF unit 14 can communicate with the IP network and the telephone network via the mobile phone 20, and exchanges data with the control unit 13 and voice signals with the speaker / microphone 15. Yes. The speaker / microphone 15 inputs / outputs sound under the control of the control unit 13 to enable a hands-free call, and the memory 16 stores software such as an Internet browsing application, an e-mail application, and an IP phone application. Power is supplied to the in-vehicle device 10 from the power supply unit 30. When the ignition switch is turned on, power is supplied to the in-vehicle device 10 to enable communication. The supply of power is input from the power supply detection unit 17 to the control unit 13.

FIG. 2 is a sequence example of the communication method of the present invention, and FIG. 3 is an explanatory diagram thereof.
When the in-vehicle device 10 is supplied with power and detects that the mobile phone 20 is connected, the in-vehicle device 10 performs connection processing to the IP network 40 via the mobile phone 20 in the data communication mode (S1). When the IP phone is enabled by the connection process, the mobile phone 20 is requested to execute transfer registration (S2). As a result, the cellular phone 20 sends the cellular phone number and the IP phone number of the vehicle-mounted device 10 to the general telephone network 50 for transfer registration (S3). That is, the general telephone network 50 is notified of the setting change so that the call to the mobile phone number is transferred to the IP phone number. The general telephone network 50 returns a confirmation response to the in-vehicle device 10 if the transfer setting is changed (S4).
Thereafter, the transfer is performed under the control of the general telephone network 50. That is, when the general telephone network 50 receives the telephone number of the mobile phone 20, it checks whether it is registered for transfer, and if it is registered for transfer, it transfers it to the IP telephone number via the IP network (S5). If the transfer is not registered, the incoming call arrives at the telephone number of the mobile phone 20 without being transferred. In the example of FIG. 3, a call to the mobile phone number 090-2222-2222 is transferred to the IP phone number 050-1111-1111.

In the above sequence, the IP telephone number may be stored in the mobile phone 20 in advance, or may be notified from the in-vehicle device 10 to the mobile phone 20 in the sequence S2.
As described above, since the call received from the phone number of the mobile phone 20 is transferred to the IP phone number so as to be called by the IP phone, the in-vehicle device 10 makes another service while making a call, for example, You can browse e-mails and websites, download information, and more.

  FIG. 4 shows a case where a call received from the external mobile phone 60 to the phone number (= 090-2222-2222) of the mobile phone 20 connected to the in-vehicle device 10 is transferred to the IP phone number (050-1111-1111) via the telephone network 50. In this example, the in-vehicle device 10 downloads music data from the predetermined site 70 simultaneously with the IP phone call.

  FIG. 5 shows an incoming route when the mobile phone 20 is not connected to the in-vehicle device 10, and FIG. 6 shows an incoming route when the mobile phone 20 is connected to the in-vehicle device 10. When a call is made from the cellular phone 60 to the cellular phone 20 in the unconnected state, as shown in FIG. 5, the cellular phone 60 → the exchange 90a → the general telephone network 50 → the exchange 90b in the mobile network 80 → carried along the route of the cellular phone 20 Incoming calls to phone numbers. On the other hand, when a call is made from the cellular phone 60 to the cellular phone 20 in the connected state, as shown in FIG. 6, the cellular phone 60 → the exchange 90a → the general telephone network 50 → the IP network 40 → the exchange 90b in the mobile network 80 → the cellular phone. 20 → Receives an IP phone number via the route of the in-vehicle device 10.

  As described above, according to the present invention, since the telephone number of the mobile phone connected to the vehicle-mounted device is transferred to the IP telephone number, it is possible to simultaneously browse e-mails and websites, download information, etc. while making a call. And can be used in the field of Internet services.

It is a block diagram of the vehicle equipment of this invention. It is a sequence example of the communication method of this invention. It is explanatory drawing of the communication method of this invention. It is an advantage explanatory view of the present invention. This is the incoming call route when the mobile phone is not connected to the in-vehicle device. This is an incoming route when a mobile phone is connected to the in-vehicle device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 In-vehicle apparatus 11 Placement part 12 Mobile telephone detection part 13 Control part 14 Communication IF part 15 Speaker / microphone 16 Memory 17 Power supply detection part 20 Mobile telephone 30 Power supply part 40 IP network 50 General telephone network

Claims (3)

In a communication method for an in-vehicle device connected to the Internet via a mobile phone,
Equipped with an IP phone application that enables IP phone calls to in-vehicle devices,
Monitor whether mobile phone and in-vehicle device can communicate,
When the mobile phone and the in-vehicle device become communicable, register the phone number from the in- vehicle device to the IP phone number via the mobile phone to the IP phone number.
A communication method for in-vehicle devices. The telephone network forwards the call to the registered IP phone number when a call is made to the mobile phone number;
The in-vehicle device communication method according to claim 1. In an in-vehicle device that connects to the Internet via a mobile phone,
IP telephony means for enabling IP telephony by installing an IP telephony application,
Means for detecting that the mobile phone and the in-vehicle device can communicate;
Means for registering in the telephone network so that a call to a mobile phone number is transferred to an IP phone number via the mobile phone when communication between the mobile phone and the in-vehicle device becomes possible;
An in-vehicle device characterized by comprising:

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