KR100901630B1 - Method for Automatically Allocating Internet Phone Location Information - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

It is about how a fixed number internet phone can automatically provide location information of the current region.

2. Technical problem to be solved by the invention

A computer-readable recording medium recording a method for receiving a special number service that requires a user to use calling location information without using a separate setting while using a fixed number regardless of a region. Provided.

3. Summary of the Solution of the Invention

The present invention provides a method for automatically assigning location information to an Internet telephone terminal in an Internet telephony system in which a call agent and an Internet address management server are connected to the Internet. Receiving a corresponding Internet address from the Internet telephone terminal performing any one of a setting request process; Requesting, by the call agent, location information of the Internet telephone terminal by transmitting the Internet address of the Internet telephone terminal to the Internet address management server; Reading, by the Internet address management server, location information of a location to which the Internet telephone terminal belongs from the database based on the Internet address, and transmitting the location information to the call agent; And managing, by the call agent, by mapping the Internet address and the location information.

4. Important uses of the invention

Used for Internet telephony service.

Internet, telephony, local information, special number

Description

Method for Automatically Assigning Location Information to Internet Phone Terminal with Fixed Number {Method for Automatically Allocating Internet Phone Location Information}             

1 is a block diagram of an Internet telephony service system,

2 is a diagram showing a data structure of registration information transmitted to a call agent by an Internet telephone terminal;

3 is a diagram showing a data structure of registration information of an Internet telephone terminal managed by an Internet address management server;

4 is a flowchart illustrating a method for automatically providing location information according to an embodiment of the present invention;

5 is a data structure diagram showing registration information of an Internet telephone terminal managed by a call agent according to the present invention;

6 is a flowchart illustrating a method for automatically providing location information according to another embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

101: Internet 103: Internet Telephone Terminal                 

105: call agent 107: Internet address management server

109: public telephone network 111: general telephone terminal

The present invention relates to Internet telephony, and more particularly, to a method for automatically providing location information of a region to which a fixed number Internet telephone currently belongs.

1 is a block diagram of an Internet telephony service system. As shown in the figure, the Internet telephony service system includes an Internet telephone terminal 103, a call agent 105, and an Internet address management server 107, which are user terminals, and each component is connected to the Internet 101. . The Internet 101 is connected to a public switched telephone network (PSTN) 109 through a gateway, and a general telephone terminal 111 is connected to a public switched telephone network (PSTN) 109.

The call agent 105 performs a function of relaying registration processing and call setup between the Internet telephone terminal and another telephone terminal. The Internet phone terminal 103 periodically transmits a registration request message including the registration information of the Internet phone terminal 103 to the call agent 105 in order to notify its status.                         

FIG. 2 is a diagram showing the data structure of the registration information transmitted by the Internet telephone terminal 103 to the call agent 105. As shown in the drawing, the registration information includes the ID, that is, the telephone number ( Terminal ID 201), Internet address (terminal IP, 203) and communication port (terminal PORT, 205) information are included.

The telephone number 201 of the Internet telephone terminal 103 means an E.164 telephone number and is a fixed number of the Internet telephone terminal 103. The Internet address 203 is an IP (Internet Protocol) address of the Internet telephone terminal 103. The communication port 205 is a port address used by the Internet telephone terminal 103 for communication.

The call agent 105 receives the registration information from the Internet phone terminal 103 to register and update the information of the Internet phone terminal 103.

The Internet address management server 107 is a server managed by an Internet service provider (ISP) and manages local information on an internet address assigned to the internet phone terminal 103 by the internet service provider (ISP). Is possible.

3 is a data structure showing registration information of the Internet telephone terminal 103 managed by the Internet address management server 107. As shown in FIG. As shown in the figure, the registration information of the Internet telephone terminal 103 managed by the Internet address management server 107 includes an Internet address 203, area display information 301, and an address 309.

The Internet address 203 is an Internet Protocol (IP) address of the Internet telephone terminal 103. The area display information 301 and the address 309 are the home general telephone information and address of a home where the Internet telephone terminal 103 belongs, for example, the home telephone using the Internet telephone terminal 103. The Internet Service Provider (ISP) must manage the user's Internet address 203, location information 301, and address 309 for user management, and this function is controlled by the Internet address management server 107. Is in charge. The area display information 301 includes area code 303, station number 305, and number 307 information. The region display information 301 may identify the region of the user.

Currently, the Internet phone terminal 103 can be serviced by a fixed number (terminal ID, 201) regardless of region, and can use the service without changing the number or changing a separate setting even if the location is moved.

However, in the conventional Internet phone terminal, in order to effectively accommodate the service to the special number requiring the information about the calling location-for example, 112, 119, 080, etc.-where the calling number is required, the location for the Internet phone terminal must be determined. There should be information indicating, but according to the prior art there is a problem that can not determine the location of the Internet phone terminal.

Accordingly, the present invention has been made to solve the above problems, the Internet phone terminal users can receive a special number service that must use the calling location information without using a separate setting, even if you use a fixed number irrelevant to the region It is an object of the present invention to provide a computer-readable recording medium having recorded thereon a method and a program for realizing the method.

Those skilled in the art to which the present invention pertains can easily recognize other objects and advantages of the present invention from the drawings, the detailed description of the invention, and the claims.

In order to achieve the above object, the present invention provides a method for automatically providing location information for an Internet telephone terminal in an Internet telephony system in which a call agent and an Internet address management server are connected to the Internet. Receiving a corresponding Internet address from the Internet telephone terminal performing any one of a registration process or a call setup request process to a special number; Requesting, by the call agent, location information of the Internet telephone terminal by transmitting the Internet address of the Internet telephone terminal to the Internet address management server; Reading, by the Internet address management server, location information of a location to which the Internet telephone terminal belongs from the database based on the Internet address, and transmitting the location information to the call agent; And managing, by the call agent, mapping and managing the internet address and the location information.

In addition, in order to achieve the above object, the present invention, the call agent receives the Internet address from the Internet phone terminal performing any one of the Internet phone terminal registration process or the call setup request process to the special number function; Requesting, by the call agent, location information of the Internet telephone terminal by transmitting the Internet address of the Internet telephone terminal to the Internet address management server; A function of the Internet address management server reading out location information of a location to which the Internet telephone terminal belongs from the database based on the Internet address and transmitting the location information to the call agent; And a computer-readable recording medium having recorded thereon a program for realizing a function of mapping and managing the Internet address and the location information by the call agent.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same components have the same number as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related known technology may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

According to the present invention, there are two methods of receiving location information of a region to which an Internet telephone currently belongs. According to an embodiment of the present invention, when the Internet phone terminal 103 periodically registers its information, the call agent 105 sends the Internet address 203 of the Internet phone terminal 107 to the Internet address management server 107. ) And a local information 301 corresponding to the Internet address 203 from the Internet address management server 107 to be used for the service. Another embodiment according to the present invention is an Internet phone terminal 107. If the called number is a special number in the process of attempting to set up a call to the call agent 105, the call agent 105 sends the Internet address 203 of the calling terminal, that is, the Internet telephone terminal 103, to the Internet address management server 107. And the local information 301 corresponding to the Internet address 203 is received from the Internet address management server 107 and used for the service.

In one embodiment according to the present invention, since the call agent 105 manages the location information 301 of the Internet telephone terminal 103 even when there is no call attempt by the Internet telephone terminal 103, the Internet telephone terminal ( When the 103 attempts to set up a call with a special number, there is an advantage in that the call setup can be quickly performed using the location information 301.

On the other hand, according to another embodiment of the present invention, when the Internet phone terminal 103 attempts to set up a call, the location information 301 of the Internet phone terminal 103 is managed, thereby reducing the load of the Internet telephony system. There is an advantage. The above two embodiments can be selectively applied according to the system designer.

4 is a flowchart illustrating a method for automatically providing location information according to an embodiment of the present invention.                     

As shown in the figure, the Internet telephone terminal 103 periodically includes its registration information (see FIG. 2) composed of the terminal ID 201, the terminal IP 203, and the terminal PORT 205 in the registration request message. Whenever information is updated by transmitting to the call agent 105 (S401), the call agent 105 checks whether or not the Internet telephone terminal 103 is a valid user terminal based on the registration information, and then calls the call agent 105. After updating the registration information for the Internet telephone terminal 103 stored / managed by the call agent 105, the call agent 105 transmits the terminal IP 203 included in the registration information to the Internet address management server 107. By doing so, the Internet address management server 107 requests the position information of the Internet telephone terminal 103 (S403). The Internet address management server 107 is based on the terminal IP 203 received from the call agent 105 in the data structure shown in Fig. 3 in the area display information 301 where the Internet telephone terminal 103 is currently located. Extract it and send it to the call agent 105 (S405). The call agent 105 receives, stores and manages the area display information 301 of the Internet telephone terminal 103 received from the Internet address management server 107.

Fig. 5 is a data structure showing registration information of the Internet telephone terminal 103 managed by the call agent 105 according to the present invention. The data structure of FIG. 5 differs from the data structure representing the registration information of the Internet telephone terminal 103 managed by the call agent 105 according to the prior art of FIG. The difference is the home general telephone information of the home using the Internet telephone terminal 103 corresponding to the registered information of FIG. 5, and the area display information including the area code 303, the station number 305, and the number 307 information. 301). The region display information 301 can identify the location to which the Internet telephone terminal 103 belongs.

Referring back to FIG. 4, through step S401 to step S405, the call agent 105 manages the location information of the Internet phone terminal 103 by the data structure of FIG. ) Transmits a call attempt request for establishing a call to the general telephone terminal 111 to the call agent 105 (S407), the call agent 105 requests a call attempt from the Internet telephone terminal 103 (S407). According to the existing routing policy, if the telephone number of the called terminal is a general number (refer to "111"), the process of checking the internet address of the gateway based on the called number If the destination number is a special number-for example, a number such as 112, 119, 080, etc., where the calling number is required, the call agent 105 stores the information through steps S401 to S405. Outgoing terminal That is, the call setting is attempted by determining the routing using the area information of the Internet telephone terminal 103, that is, the area display information 301 and the called number (S409).

The call setup from the Internet telephone terminal 103 to the general telephone terminal 111 uses a gateway installed in an area to which the general telephone terminal 111 belongs. Generally, the gateway is selected using the area code of the called number. However, since there is no area code for the special number, the location information of the outgoing call is used as the gateway selection information.                     

6 is a flowchart illustrating a method for automatically providing location information according to another embodiment of the present invention.

The automatic location information assignment method according to another embodiment of the present invention is different from the automatic location information assignment method according to the embodiment of the present invention described with reference to FIG. 4, and periodically between the Internet phone terminal 103 and the call agent 105. The location information is not managed in the terminal information registration process.

As shown in Fig. 6, when there is a call attempt request for a special number from the Internet telephone terminal 103 to the call agent 105 (S601), the call agent 105 receives the registration information included in the call attempt request. After confirming whether or not the Internet telephone terminal 103 is a valid user terminal on the basis, and updating the registration information for the Internet telephone terminal 103 stored / managed by the call agent 105, the call agent 105 Transmits the terminal IP 203 included in the registration information to the Internet address management server 107 to request the location information of the Internet telephone terminal 103 to the Internet address management server 107 (S603). The Internet address management server 107 is based on the terminal IP 203 received from the call agent 105 in the data structure shown in Fig. 3 in the area display information 301 where the Internet telephone terminal 103 is currently located. Extract it and send it to the call agent 105 (S605).

Next, the call agent 105 in accordance with the call attempt request (S601) of the Internet phone terminal 103-the process of verifying the gateway's Internet address based on the incoming call address translation-called number-if the incoming call terminal If the phone number is a general number (see "111"), address translation is based on the called number according to the existing routing policy, and the called number is a special number-for example, 112, 119, 080 If the number is required, the call agent 105 performs routing using the area information, that is, the area display information 301, and the destination number of the calling terminal, i.e., the Internet telephone terminal 103, stored in steps S603 to S605. The call setting is attempted by determining (S607).

The call setup from the Internet telephone terminal 103 to the general telephone terminal 111 uses a gateway installed in an area to which the general telephone terminal 111 belongs. Generally, the gateway is selected using the area code of the called number. However, since there is no area code for the special number, the location information of the outgoing call is used as the gateway selection information.

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

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible in the technical field of the present invention without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.

The present invention provides a fixed number without a local concept in the Internet telephony system by using the advantage that the user can always use a fixed number even if the location of the terminal changes, while the user is convenient to use the terminal location without changing settings or applications By using the telephone service as it is, there is an effect of providing a more convenient function to the user and the effect of increasing the call rate.

Claims (7)

Claims [1] A method for automatically providing location information for an Internet telephone terminal in an Internet telephony system in which a call agent and an Internet address management server are connected to the Internet. Receiving, by the call agent, a corresponding Internet address from the internet telephone terminal performing any one of an internet telephone terminal registration process or a call setup request process to a special number; Requesting, by the call agent, location information of the Internet telephone terminal by transmitting the Internet address of the Internet telephone terminal to the Internet address management server; Reading, by the Internet address management server, location information of a location to which the Internet telephone terminal belongs from the database based on the Internet address, and transmitting the location information to the call agent; And Managing by the call agent mapping the internet address and the location information Method for automatically providing location information for the Internet phone terminal comprising a. The method of claim 1, The above internet address is Being included in a registration request message transmitted by the internet telephone terminal to the call agent during the registration process of the internet telephone terminal periodically performed between the internet telephone terminal and the call agent.  Method for automatically providing location information for the Internet phone terminal, characterized in that. The method of claim 1, The above internet address is Contained in a call establishment request message to a special number transmitted by the Internet telephone terminal to the call agent Method for automatically providing location information for the Internet phone terminal, characterized in that. The method of claim 1, The location information is Including the area code, station number and subscriber identification number of the location to which the Internet telephone terminal belongs Method for automatically providing location information for the Internet phone terminal, characterized in that. The method according to any one of claims 1 to 4, Performing call setup by determining routing by using the location information and the called number managed by the call agent when the call setup called number requested from the Internet telephone terminal is a special number; Method for automatically providing location information for the Internet phone terminal further comprising. In an Internet telephony system having a processor in which a call agent and an Internet address management server are connected to the Internet, A function of receiving, by the call agent, a corresponding Internet address from the Internet telephone terminal performing any one of an internet telephone terminal registration process or a call setup request process to a special number; Requesting, by the call agent, location information of the Internet telephone terminal by transmitting the Internet address of the Internet telephone terminal to the Internet address management server; A function of the Internet address management server reading out location information of a location to which the Internet telephone terminal belongs from the database based on the Internet address and transmitting the location information to the call agent; And The call agent maps and manages the Internet address and the location information A computer-readable recording medium having recorded thereon a program for realizing this. The method of claim 6, A function of performing call setup by determining routing by using the location information and the called number managed by the call agent when the call setup called number requested from the Internet telephone terminal is a special number; A computer-readable recording medium that records a program for further realization.

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