KR20020015909A - Method for connecting a phone using voice over ip and bluetooth - Google Patents

Abstract

A call connection method using Bluetooth and voice over IP, which is inexpensive to use a mobile communication network and can easily install a Bluetooth access point in a shaded area of a building, can extend the service area of a mobile communication terminal. If the existing Bluetooth service area is located in the area where the mobile communication service cannot be provided, the mobile communication terminal can use the Bluetooth service network in the case of the outgoing call, but cannot receive the Bluetooth service in the case of the reception. Therefore, the present invention can provide a low-cost voice over IP voice call service using a mobile phone network indoors such as a home or an office, and expand the service area of the mobile phone network by installing a simple Bluetooth access point in a shaded area of a building. Get the effect.

Description

Call connection method using Bluetooth and voice over IP service {METHOD FOR CONNECTING A PHONE USING VOICE OVER IP AND BLUETOOTH}

The present invention relates to a call connection method using Bluetooth and voice over IP, and more particularly, to a call connection method using Bluetooth and voice over IP to connect a Bluetooth and mobile communication terminal using a voice over IP gateway. It is about.

Recently used Bluetooth is a short-range wireless access standard that can make point-to-point and point-to-multipoint connections economically and conveniently. For example, until now, a mobile terminal has been used to provide wireless data services. In order to be provided, a cable between the mobile terminal and the PC was required. However, as Bluetooth is used, the connection between the mobile communication terminal and the PC becomes wireless.

As the representative technology of short-range wireless communication together with the Bluetooth, technologies that are currently used include IrDA (Infrared Data Association) and wireless LAN.

However, while these technologies point out that there is a problem with perfect interconnection of the surrounding period, Bluetooth defines a profile for each application service in order to secure interconnection.

Currently, there are 12 kinds of definition profiles in Bluetooth, such as cordless phones and headsets, and device manufacturers can apply the profiles according to their application and install a software stack to interconnect with third-party devices. The certification of Bluetooth products also ensures complete interconnection between third-party devices.

In order to be certified by the Bluetooth SIG, certification tests performed by Deustsch Cetecom, etc. of Germany must be performed, and the Bluetooth logo is only allowed on certified products.

Among them, a mobile communication terminal can be used as a wireless telephone in a room where a Bluetooth access point is installed. In this case, the mobile communication terminal equipped with Bluetooth serves as a wireless telephone connected to the public telephone network. In this case, the mobile phone subscriber is inexpensive and convenient because only one mobile communication terminal is charged for a landline phone.

However, in the above Bluetooth service area, a mobile communication terminal equipped with Bluetooth may use a general telephone network using Bluetooth, but a service is provided using a mobile communication network to receive a call received through the mobile communication telephone. That is, when the Bluetooth service area is located in the area where the mobile communication service cannot be provided, the mobile communication terminal may use Bluetooth in case of origination, but may not receive Bluetooth service in case of reception.

The present invention has been made in order to receive a service even when receiving the above, an object of the present invention is to provide a low-cost mobile communication network, simply install a Bluetooth access point in the shadow area of the building service of the mobile communication terminal The purpose of the present invention is to provide a call connection method using Bluetooth and voice over IP, which can expand the area.

Call connection method using Bluetooth and voice over IP according to the present invention for achieving the above object,

a) if it is determined that the mobile terminal has entered the Bluetooth service area and enters the Bluetooth service area, the location server of the mobile telephone network is used and the location and voice over IP service usage information for the entered mobile terminal is set and registered. Setting to a standby mode after;

b) checking whether the user is out of the Bluetooth service area during the standby mode of step a) and determining whether the mobile terminal is in a reception mode for requesting a call connection to the mobile terminal in the Bluetooth service area when it is determined that the Bluetooth service area is out of the Bluetooth service area;

c) If it is determined in step b) that a call connection is requested from an external originating mobile terminal to a receiving mobile terminal in a Bluetooth service area, the handset signal of the originating mobile terminal is received according to the location register registration information and voice over IP related information of the location server. Supplying a voice over IP processing unit of a Bluetooth access point through a voice over gateway to make a call connection with a receiving mobile terminal in a Bluetooth service area;

d) checking whether an origination mode for requesting a call connection by the mobile terminal in the Bluetooth service area is selected when it is determined in step b) that the reception mode is not set;

e) If it is determined in step d) that the calling mobile terminal in the Bluetooth service area has requested a call connection, and it is determined whether the receiving mobile terminal is in the Bluetooth service area and determined that the receiving mobile terminal is in the same Bluetooth service area, the Bluetooth access is performed. Connecting a call originating mobile terminal and a receiving mobile terminal processed by the voice over IP processing unit of the point;

f) If it is determined in step (e) that the receiving mobile terminal is not in the same Bluetooth service area and the receiving mobile terminal exists in the primary database, and it is determined that the receiving mobile terminal exists in the primary database, After confirming the location information and the voice over IP related information on the receiving mobile terminal in the database, the voice over IP processing unit of the receiving mobile terminal and the voice over IP processing unit of the calling mobile terminal are connected to make a call. If it is determined that it does not exist in the head database, the calling mobile terminal is authenticated using the registered location server, and then a call is connected between the calling mobile terminal and the receiving mobile terminal in the Bluetooth service area through the voice over IP gateway. system; And

g) if it is determined in step b) that the mobile terminal is out of the Bluetooth service area, releasing location information and voice over IP related information on the mobile terminal of the location server.

Preferably, the call connection method using the Bluetooth and voice over IP service of the present invention is characterized in that the mobile terminal comprises one of a wired communication device, a mobile communication device, and a mobile terminal.

According to the present invention, since the voice over IP service is used for both the transmission and reception of the mobile terminal, the mobile communication network can be expanded while minimizing one of the modifications and modifications of the mobile communication network, without a separate line and a separate maintenance. Since only the Bluetooth access point is connected to the Internet, installation and service costs are low.

1 is a diagram showing the configuration of a call connection device using Bluetooth and voice over IP applied to an embodiment of the present invention.

FIG. 2 is a diagram illustrating a configuration of a Bluetooth access point of FIG. 1.

3 and 4 are flowcharts illustrating a call connection process using Bluetooth and voice over IP according to an embodiment of the present invention.

5 is a flowchart for explaining a process of requesting an update of location information from a mobile communication terminal according to the present invention.

<Explanation of symbols for main parts of drawing>

11-1, 11-2, 11-3: mobile communication terminal

12: primary database

13-1, 13-2: Bluetooth Access Point

17: mobile phone network 19: location server

21: Location Register 23: Voice over IP

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing the configuration of a call connection device using Bluetooth and voice over IP (hereinafter, abbreviated as VoIP) to which an embodiment of the present invention is applied. Referring to FIG. 1, a call connection device using Bluetooth and VoIP according to the present invention includes a plurality of mobile communication terminals 11-1, 11-2, and 11-3, and a plurality of Bluetooth access points 13-1 and 13-. 2), an internet network 15, a mobile telephone network 17, a location server 19, a location register 21, and a VoIP gateway 23.

The plurality of Bluetooth access points 13-1 and 13-2 are connected to each other via a LAN, and the data of the plurality of Bluetooth access points 13-1 and 13-2 are shared between the LANs. Primary database 12 for further connection is further connected.

Here, the plurality of Bluetooth access points 13-1 and 13-2 are connected to the VoIP service of the mobile telephone network 17 by using the location information stored in the location server 19 when a hand signal is input in an area other than the Bluetooth service area. Calling between the calling mobile terminal and the receiving mobile terminal using the VoIP service of the Bluetooth access point, and when the mobile communication terminal 11 in the blue pitcher service area generates an outgoing signal, the Bluetooth access point ( It is provided to call connection between the calling mobile terminal and the receiving mobile terminal using one of the voice over IP service of 13) and the voice over IP service of the mobile telephone network, or by using only the VoIP service of the Bluetooth access point.

The embodiment of the present invention is provided with a plurality of mobile terminals 11-1, 11-2, 11-3, but may also be provided with a wired communication device or a wireless communication device.

As shown in FIG. 2, the Bluetooth access point 13 includes a general Bluetooth interface 111, an Internet interface 113, a user database 115, a VoIP processing unit 117, and a controller 119. do.

3 to 5 are flowcharts illustrating a call connection device using Bluetooth and VoIP according to an embodiment of the present invention. A call connection process using Bluetooth and VoIP will be described in detail with reference to FIGS. 3 to 5.

First, the case where the mobile terminal 11 is input in the Bluetooth service area will be described. The user database 115 of the Bluetooth access point 13 controls the location registration information of the mobile terminal 11, the telephone number of the mobile terminal 11, the Internet address of the location server, and the voice over under the control of the controller 19. Voice over IP service usage information including IP gateway information is set (step 301).

The step 301 may be able to receive information from the location server at the time of origination.

The Bluetooth access point 13 checks whether the mobile terminal 11 has entered the Bluetooth service area (step 303), and if it is determined that the mobile terminal 11 has entered the Bluetooth service area, the Bluetooth access point 13 ) Checks whether the voice over IP service is available using the telephone number of the mobile terminal 11 (step 305).

Thereafter, when the mobile terminal 11 determines that the voice over IP service is enabled in step 305, the mobile telephone network 17 connects to the Bluetooth access points 13-1 and 13-2 and the mobile communication terminal 11-1. 11-2), the voice over IP service right is authenticated by the location server 19 (step 306).

The Bluetooth access point 13 is a parameter corresponding to the location information of the mobile terminal 11 set in the user database 115 through the internet network 15, that is, the Bluetooth access point 13 Internet address and voice over IP. , Register with the location server 19 (step 307).

Here, before registering the location information with the location server 11 through the above process, the location server 19 stores the location information of the previous telephone network as auxiliary location information (step 309) and sets the standby mode (step 309). Step 311). The auxiliary location information always stores only location information in the mobile telephone network.

On the other hand, during execution of the standby mode, it is checked whether the mobile communication terminals 11-1 and 11-2 have left the service area of each Bluetooth network (step 313).

Since it is determined that the mobile communication terminals 11-1 and 11-2 have not left the service area of each Bluetooth network, a call request is made from an external mobile terminal 11-3 to the mobile terminal 11 within the Bluetooth service area. The reception mode has been described. Here, in the following operation description, the called mobile terminal is called the calling mobile terminal, and the mobile terminal 11 in the Bluetooth service area is called the receiving mobile terminal.

The mobile telephone network 17 checks whether the hand signal requested by the call connection is input from the calling mobile terminal (step 315), and if it is determined that the hand signal is input, the mobile telephone network 17 is stored in the location register 21. After receiving the location related information of the receiving mobile terminal 11 and receiving the location information stored in the location server 19 according to the location-related information, the receiving mobile terminal 11 of the location information stored in the location server 19 Voice over IP gateway information for connection to the voice over IP gateway is output, and a hand signal is transmitted to the voice over IP gateway according to the voice over IP gateway information (step 319).

Then, the voice over IP gateway 23 checks the Bluetooth access point Internet address and voice over IP related information for the receiving mobile terminals 11-1 and 11-2 from the location server 19 (step 321). The hand signal is supplied to the voice over IP processing unit 117 of the Bluetooth access point 13 and processed according to the Bluetooth access point Internet address and voice over IP related information for the receiving mobile terminal 11 (step 323).

The received hand signal is transmitted to the receiving mobile terminals 11-1 and 11-2 through the Bluetooth network, and the call is connected between the calling mobile terminal 11-3_ and the receiving mobile terminals 11-1 and 11-2. (Step 325).

Meanwhile, a case in which the mobile terminal 11 in the Bluetooth service area makes a call request to another mobile terminal while setting the standby mode in step 311 will be described. Here, in the following description of the embodiment of the present invention, the mobile terminals 11-1 and 11-2 in the Bluetooth service area are called outgoing mobile terminals, and the mobile terminal 11 that has received a call request is called a receiving mobile terminal.

First, the Bluetooth access point 13-1 checks whether a call request signal is input from the calling mobile terminals 11-1 and 11-2 (step 327), where the calling mobile terminal 11-1, If it is determined from 11-2) that a call request signal is input, it is checked whether the telephone numbers of the receiving mobile terminals 11-3 supplied from the calling mobile terminals 11-1 and 11-2 are in the same Bluetooth service area. (Step 329).

If it is determined that the calling mobile terminal and the receiving mobile terminal are not in one Bluetooth network, it is determined whether the receiving mobile terminal is registered in the primary database 12 (step 331).

If it is determined in step 331 that the receiving mobile terminal is not registered in the primary database, it is determined that the receiving mobile terminal does not have the same Bluetooth network as the calling mobile terminal and requests authentication from the location server of the mobile telephone network 17. In step 333, if authentication is received from the location server, the calling mobile terminal and the receiving mobile terminal are connected through the VoIP gateway of the mobile telephone network 17 (step 335). In step 335, the VoIP gateway related information of the Bluetooth access point may be supplied from the location server.

If the Bluetooth access point 13 determines that there is a receiving mobile terminal in another area on the same LAN in steps 329 and 331, the location information of the receiving mobile terminal of the primary database 12 is determined. That is, after confirming the Bluetooth access point Internet address and VoIP related information to which the receiving mobile terminal belongs (step 333), the call connection is performed by connecting to the VoIP processing unit of the Bluetooth access point to which the receiving mobile terminal belongs (step 337).

On the other hand, the process of the mobile terminal 11 automatically releases the Bluetooth service out of the Bluetooth service area in step 313 will be described.

The Bluetooth access point 13 determines in step 313 that the mobile terminal 11 is out of the Bluetooth service area and checks whether the mobile terminal 11 has a VoIP service set (step 341). If it is determined (11) that the VoIP service is set, the location information and the VoIP related information for the mobile terminal 11 registered in the location server 19 are released using the Internet network 15 (step 343).

The location server 19 updates the auxiliary location information with the location information in step 313 (step 345), and at this time, the Bluetooth access point 13 releases the location registration information registered in the user database (step 347).

A case where an update of the location information is requested from the mobile terminal in the midst of the standby mode, the reception mode, and the origination mode will be described with reference to FIG.

The mobile telephone network 17 determines whether there is a location information update request (step 401), and if it is determined that there has been a location information update request, the location server 19 checks whether the Bluetooth access point 13 is registered and then (Step 403) If determined to be registered, it is checked whether the mobile terminal 11 is currently receiving a Bluetooth service from the Bluetooth access point (step 405).

In addition, if it is determined that the mobile terminal 11 receives the Bluetooth service, the location server 19 registers the location information of the mobile terminal 11 input in step 401 as auxiliary location information (step 407). If it is determined that the mobile terminal 11 is not receiving a Bluetooth service, the mobile terminal 11 updates the location information of the mobile terminal 11 input in step 307 (step 409).

As described above, the call connection method using Bluetooth and voice over IP according to the present invention can be provided with a voice over IP voice call service at a low price using a mobile telephone network in a room such as a home or an office. With the installation of a simple Bluetooth access point, the shadow area can be extended to extend the service area of the mobile telephone network.

While the invention has been shown and described with respect to specific preferred embodiments thereof, the invention is not limited to the embodiments described above, and is commonly used in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Anyone with knowledge will be able to make various variations.

Claims (8)

a) if it is determined that the mobile terminal has entered the Bluetooth service area and enters the Bluetooth service area, the location server and voice over IP service information for the entered mobile terminal is set and registered using the location server of the mobile telephone network. Setting to a standby mode after; b) checking whether the user is out of the Bluetooth service area during the standby mode of step a) and determining whether the mobile terminal is in a reception mode for requesting a call connection to the mobile terminal in the Bluetooth service area when it is determined that the Bluetooth service area is out of the Bluetooth service area; c) If it is determined in step b) that a call connection is requested from an external originating mobile terminal to a receiving mobile terminal in a Bluetooth service area, the handset signal of the originating mobile terminal is received according to the location register registration information and voice over IP related information of the location server. Supplying a voice over IP processing unit of a Bluetooth access point through a voice over gateway to connect a call with a receiving mobile terminal in a Bluetooth service area; d) checking whether an origination mode for requesting a call connection by the mobile terminal in the Bluetooth service area is selected when it is determined in step b) that the reception mode is not set; e) If it is determined in step d) that the calling mobile terminal in the Bluetooth service area has requested a call connection, and it is determined whether the receiving mobile terminal is in the Bluetooth service area, and it is determined that the receiving mobile terminal is in the same Bluetooth service area, the Bluetooth service network Using a call connection between the calling mobile terminal and the receiving mobile terminal; f) If it is determined in step (e) that the receiving mobile terminal is not in the same Bluetooth service area and that the receiving mobile terminal exists in the primary database and it is determined that the receiving mobile terminal exists in the primary database, After confirming the location information and the voice over IP related information on the receiving mobile terminal in the database, the voice connection is performed by connecting the voice over IP processing unit of the Bluetooth access point to which the receiving mobile terminal and the calling mobile terminal belong. If it is determined that it does not exist in the head database, after authentication using the location server for the originating mobile terminal, the information on the VoIP gateway is checked, and the outgoing movement in the Bluetooth service area is performed through the voice over IP gateway. The step of the call connection with the receiving end of the mobile terminal; And g) if it is determined in step b) that the mobile terminal is out of the Bluetooth service area, releasing location information and voice over IP related information on the mobile terminal of the location server. Call connection method using Bluetooth and voice over IP. The method of claim 1, wherein step a) a-1) setting voice over IP service usage information including location information of a mobile terminal and a mobile terminal telephone number, an Internet address of a location server, and voice over IP gateway related information; a-2) checking whether the mobile terminal has entered a Bluetooth service area; a-3) if it is determined that the mobile terminal has entered the Bluetooth service area, checking whether a voice over IP service is available using the mobile terminal telephone number; a-4) when the mobile terminal determines that the voice over IP service is enabled in step a-3), the location server authenticating the voice over IP service rights of the Bluetooth access point and the mobile terminal through the mobile telephone network; a-5) if the location information in the mobile telephone network is stored as the main location information, storing the already stored location information as the auxiliary location information; And a-6) If the location server authenticates in step a-4), the mobile station registers the location information of the mobile terminal including the Bluetooth access point Internet address and parameters corresponding to the voice over IP to the location server through the Internet network. If it is determined that the head database is checked, registering the location information of the mobile terminal including the Bluetooth access point Internet address and the parameter corresponding to the voice over IP in the primary database and setting the standby mode. Call connection method using a Bluetooth and voice over IP, characterized in that provided with. The method of claim 1, wherein step c) c-1) If it is determined that a hand signal requesting for call connection is input from the mobile terminal in the Bluetooth service, after receiving the location related information of the call requesting mobile terminal stored in the location register, the received location information is stored in the location server according to the location related information. Receives the location information, and outputs the voice over IP gateway information for connecting to the mobile terminal in the Bluetooth service of the location information stored in the location server, and transmits a hand signal to the voice over IP gateway according to the output voice over IP gateway information Doing; c-2) confirming, from the location server, the Bluetooth access point Internet address and voice over IP related information for the mobile terminal in the Bluetooth service area; c-3) Voice call processing by supplying a hand signal to the voice over IP processing unit of the Bluetooth access point according to the Bluetooth access point Internet address and voice over IP related information for the mobile terminal in the Bluetooth service area supplied from step c-2). Doing; And c-4) transmitting a hand signal processed in step c-3 to a receiving mobile terminal through a Bluetooth network and making a call connection between a mobile terminal requesting a call and a mobile terminal in a Bluetooth service area. And call connection using voice over IP service. The method of claim 1, wherein step e) e-1) if it is determined that a call request signal is input from the mobile terminal in the Bluetooth service area, checking whether the phone number of the mobile terminal receiving the call request from the mobile terminal in the Bluetooth service area is in the same Bluetooth service area; And e-2) if it is determined in step e-1) that there is a call requesting mobile terminal in the Bluetooth service area, a call connection is made between the call requesting mobile terminal and the call requesting mobile terminal using a Bluetooth access point. Call connection method using Bluetooth and voice over IP service. The method of claim 1, wherein f) is f-1) if it is determined in e-1) that the mobile terminal in the Bluetooth service area and the mobile terminal receiving the call request are not in one Bluetooth network, determining whether the receiving mobile terminal is registered in the primary database. ; f-2) If it is determined that the receiving mobile terminal is not registered in the primary database, it requests authentication through the location server of the mobile telephone network, and if authentication is received from the location server, confirms the VoIP gateway related information requesting the call. Connecting the call requesting mobile terminal with the call requesting mobile terminal through the VoIP gateway; f-3) If it is determined in step f-2) that the receiving mobile terminal is registered in the primary database, reception of the primary database including the Internet address and VoIP related information of the Bluetooth access point to which the receiving mobile terminal belongs; Identifying location information for the mobile terminal; And f-4) connecting to the VoIP processing unit of the Bluetooth access point for the receiving mobile terminal, and then proceeding to step e-2). According to claim 1, wherein g), g-1) if it is determined in step b) that the mobile terminal is out of the Bluetooth service area, the mobile terminal checks whether the VoIP service is established; g-2) in step g-1), if the mobile terminal determines that the VoIP service is set, releasing location information and VoIP related information on the mobile terminal registered in the location server using the Internet network; And g-3) updating the auxiliary location information with main location information; And g-4) releasing location registration information registered in the user database of the Bluetooth access point, and if there is a primary database, releasing location information of the primary database. Call connection method using service. The method of claim 1, h) checking whether an update of the location information is requested from the mobile telephone network; I) if it is determined in step h) that the location information update is requested, checking whether the Bluetooth service is in progress; j) if it is determined that the Bluetooth service is in progress, storing the location information input in step h) as auxiliary location information; And k) if it is determined that the current Bluetooth service is not in progress, updating the location information input in the step h) to the current location information, characterized in that the call connection method using the Bluetooth and voice over IP service. 10. The call connection method according to any one of claims 1 to 9, wherein the mobile terminal is one of wired and wireless communication devices.