KR100462570B1 - Apparatus And Method of VoIP Service Interface with Bluetooth - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention provides a VoIP-based VoIP service for providing a VoIP service by connecting a computer connected to a network for performing a VoIP (Voice Internet Protocol) program to connect to a VoIP service provider and a wireless telephone terminal supporting Bluetooth data transmission. A connection device and a method thereof.

2. The technical problem to be solved by the invention

The present invention provides a VoIP service access device for allowing users to easily use VoIP service by interfacing a wireless telephone with an application program providing a VoIP (Voice Internet Protocol) service performed on a PC connected to the Internet network using Bluetooth. The purpose is to provide a method.

3. Summary of the Solution of the Invention

The present invention provides a VoIP-based VoIP service for providing a VoIP service by connecting a computer connected to a network for performing a VoIP (Voice Internet Protocol) program to connect with a VoIP service provider and a wireless telephone terminal supporting Bluetooth data transmission. A service connection device, comprising: a universal serial bus (USB) connection means for data connection with the computer; Bluetooth wireless access means for voice connection with the wireless telephone terminal; Authentication key storage means for storing the authentication key for accessing the VoIP service provided by the VoIP service provider to the computer via the USB connection means and the authentication key of the authentication key storage means in accordance with the execution of the VoIP program. And performing automatic authentication in the VoIP service provided by the VoIP service provider, and controlling means for controlling voice data transmission through the Bluetooth wireless access means and the USB access means after authentication.

4. Important uses of the invention

The present invention is used for the Internet service.

Description

Apparatus and method of VoIP service interface with Bluetooth based on Bluetooth

The present invention provides a VoIP-based VoIP service for providing a VoIP service by connecting a computer connected to a network for performing a VoIP (Voice Internet Protocol) program to connect to a VoIP service provider and a wireless telephone terminal supporting Bluetooth data transmission. A connection device and a method thereof.

Voice over Internet Protocol (VoIP) technology uses the established Internet network to transmit voice signals through packet-based data communication. Compared to the circuit network that has to allocate resources, the communication fee is cheaper, and in the countries where the infrastructure for the Internet is extended to individual homes such as Korea, the use of the service is very wide because it is easy to access the service.

However, the existing Internet telephony service uses a VoIP application running on a computer to access a VoIP application of the other party and a PSTN network by accessing a web site of a company providing a VoIP service using a browser. There is a method of directly calling a telephone subscriber connected to the service. In this method, a user attempts to make a call according to an interface provided by an application using a computer, or a service by directly accessing a web browser. For VoIP service, the user is provided with the authentication method provided by the service company registered in advance. Certification is a necessary task for charging the sale of a service. Therefore, in order for the user to utilize the VoIP service provided by the service company, the user needs to learn how to use the computer, how to use the user interface provided by the service company, and how to authenticate the service company. Due to such a complicated interface, there is a problem that many users who want a voice call using VoIP service act as an obstacle to service use.

The present invention has been proposed to solve the above problems, and users can easily interface with an application program providing a VoIP (Voice Internet Protocol) service performed on a PC connected to the Internet and a wireless telephone using Bluetooth. An object of the present invention is to provide a VoIP service access device and a method for enabling VoIP service.

Accordingly, the present invention is inconvenient for users to know the basic usage of the computer when using VoIP performed on a computer connected to the Internet network, and inconvenient to learn how to execute an application or use a complicated web page. In order to solve the problem, VoIP service daemon, which is executed inside the computer, is connected to external wireless phone or mobile phone by using Bluetooth communication protocol, which is a short-range wireless communication method, to easily operate VoIP service by pressing a button directly on the phone. It will be able to increase the efficiency of using the WEP2WEP and WEP2Phone.

An object of the present invention is to provide a method for providing a Bluetooth-based wireless telephone (terminal device) so that a user can easily use a VoIP service in a home or office so that a VoIP application program used in a PC can be easily used.

1 is a configuration diagram of an embodiment system for a Bluetooth-based VoIP service according to the present invention;

2 is a configuration diagram of an access device in a system for a Bluetooth-based VoIP service according to the present invention;

3 is a flowchart illustrating an embodiment of a Bluetooth-based VoIP service according to the present invention;

4 is a signal flow diagram of an embodiment for a Bluetooth-based VoIP service according to the present invention;

* Explanation of symbols for the main parts of the drawings

21: USB connection 22: Bluetooth wireless connection

23: authentication key storage unit 24: control unit

In order to achieve the above object, the present invention provides a VoIP service by connecting a computer connected to a network for performing a VoIP (Voice Internet Protocol) program to connect with a VoIP service provider and a wireless telephone terminal supporting Bluetooth data transmission. A Bluetooth-based VoIP service access device, comprising: a universal serial bus (USB) connection means for data connection with the computer; Bluetooth wireless access means for voice connection with the wireless telephone terminal; Authentication key storage means for storing the authentication key for accessing the VoIP service provided by the VoIP service provider to the computer via the USB connection means and the authentication key of the authentication key storage means in accordance with the execution of the VoIP program. And performing automatic authentication in the VoIP service provided by the VoIP service provider, and including a control means for controlling voice data transmission through the Bluetooth wireless access means and the USB access means after authentication.

Bluetooth-based Voice Internet Protocol (VoIP) service access method for providing VoIP service by connecting a computer connected to a network for performing VoIP program and connecting to a wireless telephone terminal supporting Bluetooth data transmission. A first step of receiving the execution of the VoIP program from the computer to pass the authentication key; A second step of confirming whether the user is a legitimate user by authentication of the VoIP service provider with respect to the authentication key; And a third step of error checking if the user is not a legitimate user, and connecting the wireless telephone terminal via Bluetooth to the VoIP service if the legitimate user is found.

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

In order to easily use the VoIP service, it is advantageous to adopt a user interface method that is familiar and known to general users. The present invention has a VoIP service daemon provided by a VoIP service company in a computer, and the service daemon is connected to a mobile phone or a wireless telephone that the user has through Bluetooth. Through the Bluetooth communication protocol, the wireless telephone transmits the call processing protocol to the VoIP service daemon executed in the computer to perform the call processing. When the call processing protocol is completed and the voice call is started, the voice data is transmitted to the wireless telephone through Bluetooth. In other words, the VoIP daemon receives the information necessary for call processing through wireless phones and Bluetooth, and when a call is initiated, it receives voice data from the wireless phone and sends it to the VoIP network through the Internet or sends voice data from the VoIP network to the wireless phone. do.

1 is a configuration diagram of an embodiment system for a Bluetooth-based VoIP service according to the present invention.

The system for a Bluetooth-based VoIP service according to the present invention is a Bluetooth-based wireless telephone terminal equipped with a personal computer (PC) 11 connected to a network for using a VoIP service and a Bluetooth modem for transmitting data to Bluetooth. 12) connected to the PC 11 in a USB manner and connected to the wireless telephone terminal 12 via Bluetooth to perform authentication of a VoIP service and connection between the PC 11 and the wireless telephone terminal 12. Device 13. Here, the PC 11 is connected to the Internet network by ADSL, a dedicated line, or the like. The VoIP application program executed in the PC is started when the PC 11 is booted and the operating system is mounted to the PC 11, and thus becomes a background process.

2 is a configuration diagram of an access device in a system for a Bluetooth-based VoIP service according to the present invention.

As shown in FIG. 2, a connection device in a system for a Bluetooth-based VoIP service according to the present invention includes a USB connection 21 and a voice connection with a wireless telephone terminal 12 for data connection with a PC 11. Bluetooth wireless access unit 22 for the authentication, authentication key storage unit 23 for storing the authentication key for accessing the VoIP service, and performs automatic authentication according to the execution of the VoIP program, after authentication, the operation of the VoIP service through Bluetooth And a control unit 24 for controlling.

That is, when the VoIP program is started, the control unit 24 receives the corresponding authentication key from the connected authentication key storage unit 23 and delivers the authentication key to the PC 11 through the USB connection unit 21, and when authentication is completed, performs the VoIP service. For this purpose, the control unit 24 connects to the wireless telephone terminal 12 through the Bluetooth wireless connection unit 22 and to the PC 11 via the USB connection unit 21.

3 is a flowchart illustrating an embodiment of a Bluetooth-based VoIP service according to the present invention.

First, when the VoIP program in the PC is executed (301), the authentication key for the VoIP stored in the USB access device is transmitted through the USB access device (302).

Using the transmitted authentication key, the VoIP program in the PC performs authentication with the server providing the VoIP service (303), and receives authentication from the server (304). In order to use the VoIP service more easily, a USB transceiver is provided with a Bluetooth transceiver and a wireless terminal using Bluetooth is used.

In the process 303 for server authentication, server authentication is performed through an authentication key value embedded in the USB access device and billing is performed. In addition, VoIP application applications will support the Bluetooth interface through a USB connection device.

It is possible to add a process of authenticating a user even for a wireless terminal supporting Bluetooth.

That is, when a user registers a password for a wireless terminal that supports Bluetooth on a server providing VoIP service in advance, when the user turns on the wireless terminal that supports Bluetooth, the user inputs a password through a key input unit of the wireless terminal. The password is combined with the authentication key value entered in the USB connection device and sent to the server after going through an encryption algorithm. After decrypting the encrypted data in the server to perform authentication, the authentication result is sent back to the VoIP program to confirm that the user is an authenticated user to perform a call.

As such, whether the password is entered every time the wireless terminal that supports Bluetooth is turned on or continuously used once is set as an option of the wireless terminal that supports Bluetooth and the user uses it.

After the authentication process, the VoIP program waits for user events from wireless devices that support Bluetooth.

At this time, the user password is set as an option to secure the mobile phone.

4 is a signal flow diagram between a USB access device and a wireless telephone terminal connected with Bluetooth in a Bluetooth-based VoIP service according to the present invention.

The USB access device and the wireless telephone terminal process only basic call functions of the VoIP service, and the signal flow is as shown in FIG.

Instead of using Bluetooth's telephony profile or complicated specifications for call processing, it only transmits information for basic calls, and all functions necessary for call processing are handled by VoIP applications in the PC. VoIP application program receives basic information transmitted from wireless telephone terminal for call processing and executes call processing using "SIP" or "H.323" protocol.

In more detail, when the outgoing operation is performed for the VoIP service using the wireless telephone terminal 12, the wireless telephone terminal 12 transmits a call connection attempt message to the access device 13 using Bluetooth. In a method 401.

The access device 13 attempts to connect a call to the VoIP service (402). This is provided by passing it to a computer via a USB connection and accessing the VoIP service over the network.

Then, the connection device 13 transmits a call back tone (Call Back Tone) for the call connection attempt to the radiotelephone terminal 12 (403) and performs a call connection with the other party (404).

In addition, when performing an incoming call to a connection by the VoIP service using the wireless telephone terminal 12, the connection device 13 receives a call connection attempt from a computer connected to the VoIP service through a network through a USB connection unit. Forwards the call connection attempt message to the wireless telephone terminal 12 (405).

When the incoming call operation is performed through the wireless telephone terminal 12 (406), the call connection with the other party is performed (407).

It is advantageous to use the tray icon to interface with the user when it starts to run on a PC.

The wireless telephone terminal provides only this basic user interface, and call processing for VoIP is performed through the VoIP program inside the PC. Results and events for call processing are sent over the air to the wireless telephone terminal. When call processing is performed, voice data for a voice call is transmitted. Voice data is encoded by PCM (Pulse Code Modulation) method and sent to PC. VoIP program of PC converts voice data transmitted by PCM method into voice compression method for VoIP. On the contrary, when the voice data sent by the other party arrives through the VoIP program executed in the PC, the voice data is converted into the PCM method and sent to the wireless telephone terminal.

To prevent eavesdropping of voice data, encryption is inserted between the Bluetooth-enabled cordless phone and the VoIP application. Voice data encoded in PCM is encrypted using a symmetric key method such as "DES" or an asymmetric key method such as "RSA" to prevent eavesdropping on the voice data.

Bluetooth-enabled wireless telephony terminal for VoIP program supports all phone terminals registered in VoIP program, i.e., all phone terminals that have been verified and received a password input. Only support.

As described above, the method of the present invention may be implemented as a program and stored in a recording medium (CD-ROM, RAM, floppy disk, hard disk, magneto-optical disk, etc.) in a computer-readable form.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings.

As described above, the present invention has the effect of enabling users who are not familiar with PCs to use VoIP-type Internet phone services in the same way as using a regular telephone without knowing the specific method of starting and operating a VoIP application. have.

In addition, the present invention, by providing the convenience of VoIP-type Internet phone service to the users, it is possible to help users to easily use the VoIP solution to secure the market of VoIP operators.

Claims (5)

A Bluetooth-based VoIP service access device for providing VoIP service by connecting a computer connected to a network to execute a VoIP (Voice Internet Protocol) program to connect to a VoIP service provider and a wireless telephone terminal supporting Bluetooth data transmission. In USB (Universal Serial Bus) connection means for data connection with the computer; Bluetooth wireless access means for voice connection with the wireless telephone terminal; Authentication key storage means for storing an authentication key for accessing a VoIP service provided by the VoIP service provider and transferring the authentication key to the computer through the USB access means; Providing an authentication key of the authentication key storage means according to the execution of the VoIP program to perform automatic authentication in the VoIP service provided by the VoIP service provider, and after authentication the Bluetooth wireless access means and the USB access means Control means for controlling voice data transmission through Bluetooth-based VoIP service access device comprising a. The method of claim 1, Wireless telephone authentication key storage means for storing an authentication key for authentication for the wireless telephone terminal Bluetooth-based VoIP service access device further comprising. The method of claim 2, The authentication key for authentication of the wireless telephone terminal stored in the wireless telephone authentication key storage means is transmitted to the VoIP service provided by the VoIP service provider by inputting a password for the corresponding wireless telephone terminal in the wireless telephone terminal. To be certified Bluetooth-based VoIP service access device characterized in that. Bluetooth-based Voice Internet Protocol (VoIP) service access method for providing VoIP service by connecting a computer connected to a network for performing VoIP program and connecting to a wireless telephone terminal supporting Bluetooth data transmission. In A first step of receiving an execution of a VoIP program from the computer and delivering an authentication key; A second step of confirming whether the user is a legitimate user by authentication of the VoIP service provider with respect to the authentication key; And A third step of connecting to the VoIP service by connecting the wireless telephone terminal via Bluetooth if the legitimate user is error handling, if the legitimate user is found. Bluetooth-based VoIP service access method comprising a. The method of claim 1, A fourth step of performing authentication on the wireless telephone terminal Bluetooth-based VoIP service access method further comprising.