KR100376228B1 - System and method for providing a internet public phone service - Google Patents

Abstract

The present invention relates to a system and method for Internet telephony service. In particular, the present invention provides a list of callers who can make a call through the internet network, and automatically connects to a computer of a user who selects a call to make a voice / video call. In addition, the present invention relates to an internet public telephone system and a call method for enabling a video / voice call with vivid picture quality without interruption with a counterpart during a call.

According to the present invention, when a party to be called is selected by referring to a caller list transmitted by an Internet public telephone control server through the Internet, the video / audio communication is automatically executed after being connected to the other party's computer using the IP address of the other party. By controlling it, the effect of the first call can be easily checked on the Internet, and the second time, the computer and the connection of the other party selected for the call are automatically executed on the Internet. Secondly, by converting the digital signal transmitted to an analog signal and reproducing the RGB monitor, the processing speed of the data is increased, resulting in a clear and seamless image communication through the entire screen.

Description

System and method for providing a internet public phone service

The present invention relates to a system and method for Internet telephony service. In particular, the present invention provides a list of callers who can make a call through the internet network, and automatically connects to a computer of a user who selects a call to make a voice / video call. The present invention relates to an Internet public telephone service system and a method for enabling a video / voice call with vivid picture quality without interruption with the other party during a call.

In general, the video / voice telephone call using the Internet network, such as PC TO PHONE, PHONE TO PC, PC TO PC.

According to the conventional Internet video / voice communication method, it is not possible to grasp whether the other party wants to talk to the Internet and work status, and is automatically connected to the other party's computer through the Internet network while being connected to the Internet network. There was a problem that you cannot make a voice call.

In the conventional call system, the amount of data transmitted is relatively high due to the transmission of digital data (voice and image) and digital reproduction at the time of reproduction. There was a problem in that it is not possible to deliver a clear picture quality due to the unnatural switching such as the screen is broken late.

In addition, the image transmission technology using the PC TO PC between the Internet has recently been developed, but since the transmitted image does not keep up with the speed of the internet network, it does not operate smoothly, and of course, the partial screen on the monitor is reduced to reduce the amount of image data transmitted. There was a problem that can not play video calls clearly on the big screen by playing on the small screen of the display.

The technical problem to be achieved by the present invention is to provide a list of callers available through the Internet network in order to solve the above-mentioned problems, and to automatically connect to the computer of the user selected to call through the Internet network to enable voice / video phone calls In addition, the present invention provides an Internet public telephone service system and method for adopting an analog monitor having a relatively small amount of video data during a call to enable a video / voice call with clear picture quality without disconnection from the other party.

1 is a block diagram of an Internet payphone service system according to the present invention.

FIG. 2 is a detailed block diagram of the Internet pay phone control server shown in FIG. 1.

3 is a configuration example of an authenticated user information list stored in the database of FIG. 2.

FIG. 4 is a detailed block diagram of the computer for Internet payphone shown in FIG.

FIG. 5 is a detailed configuration diagram of the graphics card shown in FIG. 4.

6 is a diagram for explaining the concept of the Internet public telephone service method according to the present invention.

7 is a flowchart of a method for Internet public telephone service according to the present invention.

In order to achieve the above technical problem, the Internet public telephone service system according to the present invention includes a program and hardware for providing a video / voice Internet phone service, which is accessible to the Internet network in a telephone service system using the Internet network. A client computer connected to the Internet network, searched for a database embedded in response to a connection request of the client computer, and added to the list of authenticated user information, and the authenticated user when connected from an Internet public telephone user. An Internet payphone control server for transmitting a user information list and for transmitting an IP address corresponding to user information selected from the authenticated user information list and the Internet network, and providing a video / voice Internet phone service. Program and Hardware A has a built, to automatically connect to the IP address transmitted from the public telephone Internet control server characterized in that it comprises a running a client computer and a real-time video / audio communication connection Internet Public telephone.

In order to achieve the above technical problem, the Internet pay phone service method according to the present invention is a telephone call method using the Internet network, wherein (a) the Internet pay phone control when the Internet pay phone is connected to an Internet pay phone control server; Transmitting the currently accessed authenticated user information list information stored in the database of the server to the internet payphone, (b) selecting the user to communicate from the authenticated user information list information by the internet payphone user. In the case, transmitting the IP address of the selected user from the Internet payphone control server to the Internet payphone, (c) accessing a computer having the IP address from the Internet payphone, and (d) IP address computer and the Internet Characterized in that it comprises the step of executing the real-time video / audio communication to the telephone period.

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

As shown in FIG. 1, the Internet public telephone service system according to the present invention includes an internet network 100, a client computer 110, a camcorder 1 120, a telephone 130, an internet public telephone control server 140, A computer 150 for Internet payphones, a camcorder 2 (160), a monitor (170), and a handset (180) are provided.

The computer 150 for the Internet payphone 150, the camcorder 2 160, the monitor 170, and the handset 180 are the constituent means of the Internet payphone 1000.

In order to receive an Internet service, a client uses an Internet service provider (ISP), which uses a Point-to-Point Protocol (PPP), which is a modem embedded in the client computer 110 and software for accessing the Internet. (Not shown) to be assigned an Internet Protocol (IP) address and become a member of the Internet. In this way, after the client computer 110 is registered as an Internet terminal, the Internet service may be used through a World Wide Web (WWW) browser or the like.

In this manner, the client computer 110 may access the Internet payphone control server 140, which is one of websites registered on the Internet network.

The Internet payphone control server 140 is composed of a firewall server 201, a web server 202, a database 203, a control unit 204, and an application program 205.

The firewall server 201 is composed of hardware and software for protecting the information assets inside the Internet payphone control server 140 at the time of information exchange using the Internet network 100 and blocking the inflow of harmful information from the outside. For example, an illegal information leakage is protected by a program that restricts external access by using an IP address, a user authentication number, and a port number.

The web server 202 is connected to the Internet public telephone service according to the present invention when the client computer 110 and the Internet public telephone computer 150 are connected to the Internet public telephone control server 140 through the Internet network 100. Transmitting menu screen information for selecting and executing various processes related thereto, the Internet network 100 transmits data on a result of executing the process by the application program 205 corresponding to the menu and input data selected from the menu screen information. In the transmission protocol used in the public to the client computer 110 or the Internet pay phone computer 150 performs the role of transmitting.

The database 203 stores various contents information and homepage information related to the Internet public telephone service. That is, it stores personal information and IP address of registered members, classifies and stores user information currently connected to the Internet payphone control server, and stores contents related to various services provided by the Internet payphone control server. Doing.

The control unit 204 collectively controls the Internet payphone control server 140, and executes the processes by operating the Internet payphone service application program 205 related to the input data.

Application program 205 is programs for executing various processes for Internet payphone services. That is, when connected to the Internet payphone control server 140, it transmits the home page screen, authenticates whether the connected user is a registered member, and is an authenticated user who is currently connected to the Internet payphone control server 140 Programs that create a list of information, send a list of authorized user information to a connected Internet payphone, and execute a series of processes to send the IP address of the user selected by the Internet payphone user.

As shown in FIG. 3, the authenticated user list includes a user ID currently connected to the Internet public telephone control server 140, a work status indicating waiting or busy, and an IP address of the corresponding user. The IP address is processed so that it is not directly displayed on the screen.

Next, the operation of the Internet payphone 1000 will be described.

As shown in FIG. 4, the Internet public telephone computer 150 includes an input unit 401, a memory 402, a control unit 403, an internet access program 404, a modem 405, and a demultiplexer (De-MUX). 406, a multiplexer (MUX) 407, a sound card 408, and a graphics card 409.

The input unit 401 is composed of a keyboard and a mouse, and serves to select commands and input data.

Various programs and data are stored in the memory 402, and in particular, a program for initiating a connection with a counterpart computer using an IP address transmitted from the Internet payphone control server 140 is incorporated.

The controller 403 controls the Internet payphone 1000 to provide the Internet payphone service.

The internet access program 404 refers to a program that accesses the internet network 100 to enable the use of internet services.

The modem 405 performs a role of executing signal modulation / demodulation and encoding / decoding in order to transmit / receive data through the Internet network 100.

The demultiplexer 406 demodulates the data received through the Internet network 100 in the modem 405, and then decodes the decoded video / audio data into video data and audio data, respectively.

The multiplexer 407 combines input video data and audio data according to a predetermined standard and outputs the synthesized data to the modem 405.

The sound card 408 converts the audio signal input from the microphone of the transceiver / receiver 180 into digital data, outputs the signal to the multiplexer 407 after performing digital signal processing such as compression and error correction, and then demultiplexer 406. After decoding the digital audio signal input from the ()) and converts the analog signal and performs the role of outputting to the speaker of the transceiver / receiver 180.

The graphics card 409 converts the image data output from the demultiplexer 406 into a standard suitable for output to an analog monitor, converts the image signal input from the camcorder 2 160 into digital data, and outputs it to the multiplexer 407. It plays a role.

The graphics card 409 is configured as shown in FIG. 5 and the operation of each block is as follows.

The graphics memory 501 stores video graphic information output from the demultiplexer 406 and graphic information output from a video chip (not shown).

The graphics core module 502 acts like a CPU of the computer, which controls the entire graphics card 409.

The ROM BIOS 503 records information on the shape, size, position, and the like of the cursor appearing on the monitor 170. When the information stored therein is used, the display of the screen is quickly performed.

The RAMDAC 504 converts digital data into an analog signal, and processing performance is expressed by the number of bits and speed, and an output terminal is connected to the analog monitor 170.

The panel link transmitter 505 receives the parallel data, the control signal, and the clock signal having the color information from the graphic core module 502 as an input signal, and the parallel data is captured, parallelized, and serial converted to a digital monitor (not shown in the drawing). Output to the

Next, the concept of the Internet public telephone service method according to the present invention will be described with reference to FIG.

The Internet payphone control server 140 stores the personal information and IP address of the member registered in the database 203 and classifies and stores user information currently connected to the Internet payphone control server 140. .

In this way, in the state in which the database 203 of the Internet payphone control server 140 is constructed, the Internet payphone 1000 connects to the Internet payphone control server 140, and authenticated user information as shown in FIG. After receiving the list, if the user ID of the user to call is selected (①), the Internet payphone control server 140 transmits the IP address information corresponding to the selected user ID to the Internet payphone 1000 (②). . Then, the Internet payphone 1000 attempts to connect through the computer of the received IP address and the Internet network 100 (③).

If the computer of the corresponding IP address and the Internet payphone 1000 are connected, a video call is performed through the transmission / reception of video / audio data in real time (4). At this time, the Internet payphone control server 140 checks the call path in real time to ensure the connection between the Internet payphone 1000 and the client computer 110.

Next, the Internet pay phone service method according to the present invention will be described in more detail with reference to the flowchart of FIG. 7.

First, as an initial step, the Internet payphone control server 140 establishes a database 203, which registers a person who wants to provide Internet payphone service as a member and stores the client ID / PASSWORD and IP address information in the database 203. After the client requests the connection to the Internet payphone control server 140, the client passes the authentication process to determine whether the member is registered in the database 203. It adds to the current accessor of the authorized user information list as shown in 3, checks in real time to check whether the call is in progress, and displays the registered work status during the call / waiting time.

In this manner, the control unit 204 determines whether the Internet payphone 1000 is connected to the Internet payphone control server 140 while the database 203 is established (step 701).

The method of accessing the Internet payphone control server 140 from the Internet payphone 1000 is a method of manually inputting the address of the site of the Internet payphone control server 140 after the user connects to the Internet network 100. Although it may be executed, it recognizes that a specific key button is input or the hook of the handset / handset is turned off, and automatically accesses the Internet network 100 and then accesses the site of the Internet payphone control server 140. It is effective to program it to run automatically.

When the Internet payphone 1000 is connected to the Internet payphone control server 140, the database 203 of the Internet payphone control server 140 is searched to read a list of currently connected user information. It is edited as shown in step 702 and transmitted to the connected Internet payphone 1000 (step 703).

When the user of the Internet payphone 1000 selects the other party to be called using the keyboard of the input unit 401 of the computer 150 for Internet payphones (step 704), the Internet payphone control server 140 selects the user. IP address information is transmitted to the Internet payphone 1000 (step 705).

Then, the Internet payphone computer 150 of the Internet payphone 1000 attempts to connect through the Internet network 100 with the transmitted IP address and connects with the client computer 110 of the counterpart to be called (step) 706).

After the Internet payphone computer 150 and the client computer 110 of the Internet payphone 1000 are connected through the Internet network 100, video / voice communication can be performed in real time.

In order for the user of the client computer 110 side and the Internet payphone 1000 to perform video / voice communication, as shown in FIG. 1, the camcorders 1 and 2 (120 and 160) are connected to a computer, and each computer is connected to the Internet. Graphic card and sound card for transmitting / receiving image signal and audio signal should be built.

Here, the graphic card is configured to output directly to an analog monitor as well as a digital monitor, as shown in FIG.

In particular, the present invention employs a monitor 170, which is an image output means of the Internet payphone 1000, as an analog RGB monitor (general analog TV). This is to output in real time and to clearly output through the analog monitor full screen.

As described above, according to the present invention, when the other party to select a call is referred to by referring to the caller list transmitted by the Internet public telephone control server through the Internet, the image is automatically connected to the other party's computer using the other party's IP address. / By controlling the voice communication, it is possible to easily check the availability of the first call on the Internet, and secondly, it is convenient to use by automatically executing the connection with the computer of the other party selected for the call. By converting the third transmitted digital signal into an analog signal and reproducing the RGB monitor, the processing speed of the data is increased, resulting in the effect of clear and seamless video communication through the entire screen.

Claims (9)

In the telephone service system using the Internet network, A client computer accessible to the Internet network and including a program and hardware for providing a video / voice Internet phone service; Accesses the Internet network, searches the embedded database corresponding to the connection request of the client computer, adds to the authenticated user information list, and adds the authenticated user information list when connected to the Internet public telephone user. An Internet payphone control server for transmitting and for transmitting an IP address corresponding to user information selected from the authenticated user information list; And Internet public telephone computer with built-in Internet access program and a program / hardware for providing a video / voice Internet phone service, and a program / hardware for automatically connecting to an IP address transmitted from the Internet public telephone control server; An Internet including a camcorder for capturing an image of a caller and transmitting it to the Internet payphone computer when the address is connected, and an analog RGB monitor for displaying and processing an analog video signal connected to the Internet payphone computer. Internet public telephone service system comprising a payphone. The method of claim 1, wherein the Internet payphone control server A database for storing personal information and IP addresses of registered members, classifying and storing currently connected user information, and storing menu screen information including a menu related to a service provided by the Internet payphone control server; After searching the database corresponding to the connection request of the client computer, the database is added to the authenticated user information list, and when the Internet payphone is connected, the authenticated user information list is outputted, and the authenticated user information list. A control unit for outputting an IP address corresponding to the selected user information, and controlling the system as a whole; And And a web server for receiving data through the internet network and transmitting the result executed by the controller to a computer connected to the internet network by a transmission protocol commonly used in the internet network. Internet pay phone service system. The Internet public telephone service system according to claim 1, wherein the authenticated user information list includes a currently connected user ID, a work status indicating waiting / calling, and IP address information. The system of claim 3, wherein the IP address information is controlled to not be displayed on the screen. delete The computer of claim 1, wherein the Internet payphone computer is A modem connected to the Internet network for converting / demodulating and encoding / decoding data transmitted / received; A demultiplexer for inputting data decoded by the modem and separating and outputting audio data and video data; A sound card for converting the voice data output from the demultiplexer into an analog signal and converting the analog voice signal input from the handset into digital data; A graphics card for converting image data output from the demultiplexer into a standard suitable for output to an analog monitor, and converting image signals input from the camcorder into digital data; A multiplexer for synthesizing the signals input from the sound card and the graphics card according to a predetermined standard and outputting the synthesized signal to the modem; And And a control unit for executing a program for collectively controlling a program and a system for connecting the modem to an IP address transmitted from the Internet payphone control server. In the telephone call method using the Internet network, When the internet payphone is connected to an internet payphone control server, transmitting to the internet payphone a list of currently connected authenticated user information stored in a database of the internet payphone control server; When the user of the Internet payphone selects a user to call from the authenticated user information list information, transmitting the IP address of the user selected by the Internet payphone control server to the Internet payphone; Connecting to the computer having the IP address at the Internet payphone; And Performing a real-time video / audio communication between the computer of the connected IP address and the internet payphone period while displaying the video signal transmitted to the internet payphone. Way. 8. The Internet public telephone according to claim 7, wherein the authenticated user information list information includes a user ID currently connected to the Internet public telephone control server, a work status indicating waiting / calling, and IP address information. Service method. delete