KR20030025388A - Method and system for telephone connetion internet - Google Patents

Abstract

PURPOSE: An Internet call system and a call connection method are provided to pass through key wireless service exchanges by a general telephone line for Internet-based communication network interworking, and to pass through an Internet communication network when moving to another area or other country, thereby making a call at a local call rate. CONSTITUTION: An Internet phone(200) has a long-distance/international discount fee button transceiving an inputted voice signal to an Internet communication network(100) or key wireless service exchanges(201,211). A data center(202) interworks the key wireless service exchanges(201,211) with the Internet communication network(100), confirms client information transmitted from the key wireless service exchanges(201,211) and the Internet communication network(100), and authenticates the information to make a call through the key wireless service exchanges(201,211) and the Internet communication network(100).

Description

Internet call system and call connection method {METHOD AND SYSTEM FOR TELEPHONE CONNETION INTERNET}

The present invention relates to an Internet telephony service, and more particularly, to provide a telephone call service between subscribers of a general public telephone network without an Internet environment or between subscribers connected to the Internet communication network. The present invention relates to an internet telephony system interworking with a public public telephone network and a call connection method thereof.

In recent years, as the number of Internet users is rapidly increasing year by year, and the data transmission speed on the Internet is increasing, interest in Internet telephony, Internet fax, and Internet broadcasting is increasing. In particular, Internet telephony is costly less than a few ten percent compared to the existing telephone bill when making international calls, and thus, PC telecom operators, Internet service providers, and telephone providers provide Internet telephony services.

Examples of the configuration of a system that can use the Internet telephony service include a computer-to-computer connection, a computer-to-phone connection, and a telephone-to-phone connection.

In particular, in order to make a phone call using Internet Phone technology in a home, an IP is connected to an Internet Service Provider (ISP) using a Point to Point Protocol (PPP), which is a modem and Internet access software. By assigning a (Internet Protocol) address and preparing to run TCP / IP (Transmission Control Protocol / Internet Protocol), it is possible to connect to the other host for voice calls.

Subsequently, the computer user attempts to connect to the called party by running the Internet phone program, and when the other party answers, the voice trunk is opened to make a phone call. By the way, since the Internet phone technology between the computer and the computer according to the related art makes a call between a computer that prepares devices such as an Internet phonegram, a microphone, and a speaker for an internet call, both callers simultaneously access the Internet. It is difficult to talk to an unspecified majority.

Moreover, if you do not have a computer, or if you are not familiar with how to use it, there is a difficulty in applying the technology of telephone call through an internet communication network.

On the other hand, the Internet phone technology between the phone and the phone is connected to the Internet phone gateway to the subscriber to the Internet phone gateway (PSTN: Public Switched Telephone Network), each Internet phone gateway is connected to each other through the Internet communication network The telephone system is adopted.

However, the above-described conventional technology is a separate communication in that the user has to enter the telephone number of the called party again after accessing the Internet gateway through the general public telephone network, and uses the network of the general public telephone network and the gateway operator. There is a disadvantage to be charged.

Therefore, while recovering from the above-mentioned problems, the telephone call is cheaper in terms of call rate, and in terms of reliability, the Internet phone is connected to the general subscribers who are not equipped with the Internet environment by interworking with the Internet communication network and the general public network. It is desirable to provide an internet telephony system that enables telephony services.

Accordingly, it is an object of the present invention to provide an internet call system and a call connection method for easily making international and long distance telephone calls between a user connected to a general public network and a user connected to an internet communication network. The call system is achieved by providing a telephone call service by interworking with an internet communication network and a general public network.

Another object of the present invention is to provide an internet communication system and a call connection method that allow a user connected to an internet communication network to communicate with a mobile communication network user, and the internet call system interworks with an internet communication network and a mobile communication network. Is achieved by providing a call service.

Other objects of the present invention will become more apparent from the following detailed description and the accompanying drawings.

1 is a block diagram showing an Internet call system according to the present invention,

2 is a block diagram showing the configuration of the Internet call system according to the present invention to the H.323 network.

<Explanation of symbols on main part of drawing>

100: Internet communication network 200: Internet phone

201: Telecommunications company switchboard 202: Data center

203: Gateware 204: Gatekeeper

205: billing server 206: authentication server

207: Hub

According to the Internet call system according to the present invention for achieving the above object, in a system for providing a telephony service between client terminals connected to an Internet communication network or a public public telephone network (PSTN):

(1) an Internet phone having a long distance / international call discount button for transmitting and receiving an input voice signal to the Internet communication network or a main carrier switch; And (2) a data center for interworking with the telecommunication company switch and the internet communication network and verifying information of the client transmitted from the telecommunication company switch and the internet communication network to authenticate the call through the telecommunication company switch and the internet communication network. do.

Preferably, the data center includes: (1) a gateway connected to the main telecommunications operator switch to convert an input voice signal into digital packet data; (2) a hub for switching the digital packet data transmitted from the gateway to an internet communication network and the digital packet data of the internet communication network to the gateway; (3) a billing server that checks whether a member is inquired by looking up information of a client through the hub; (4) an authentication server for authenticating whether to permit the call request of the client when it is determined to be a member from the billing server; (5) Recognizing the information of the client transmitted through the hub to check whether the other party's call is available, characterized in that it consists of a gatekeeper to transmit the voice data between both parties when the call approval of the other party.

Optionally, a FireWall for maintaining security is connected between the Internet communication network and the hub.

According to the Internet call connection method according to the present invention, a plurality of Internet phones are connected to a gateway through a main carrier switch to make a phone call with a user connected to a terminal connected to an external Internet communication network or a public public telephone network. :

(1) inputting the telephone number to a gatekeeper to make a telephone call with a user of the Internet phone connected to the Internet communication network through a gateway, a hub, and a gatekeeper; (2) the gatekeeper transmitting a call request signal to a gateway for converting and transmitting digital packet data into a voice signal; And (3) the gateway setting up a call channel by calling the general public telephone network subscriber.

In this way, subscribers of general public telephone networks without Internet environment and service subscribers connected to the Internet communication network use the existing telephone company telephone numbers and telephone lines as they are, and make long distance and local telephones provided when making international and long distance calls. It can be seen that international and long distance telephone calls can be made by pressing the discount button for international calls.

As a result, intercommunication carriers will be connected to the general telephone line for interworking with the Internet-based communication network, and intercity or international travel will be through the Internet communication network. There is an advantage to the number.

And, there may be a plurality of embodiments of the present invention, the following most preferred embodiments will be described in detail.

Through this preferred embodiment, the object of the present invention, other objects, features and advantages will become apparent from the following description with an embodiment according to the present invention in connection with the drawings shown for purposes of illustration.

Hereinafter, with reference to the accompanying drawings it will be described in detail a preferred embodiment of the Internet communication system and call connection method according to the present invention.

1 is a block diagram showing an internet call system according to the present invention. 2 is a block diagram showing the configuration of an Internet call system according to the present invention for providing a telephone call service between subscribers of a general public telephone network or between subscribers connected to an Internet communication network. to be.

As shown in Fig. 1, the Internet call system according to the present embodiment is connected to the telephone station systems 101 to 106 of each country to the Internet communication network 100 serving as the basis of the global network.

The telephone station systems 101 to 106 of the respective countries are provided with a billing server 101a, a gatekeeper 101c, an authentication server 101b, and an internet communication network 100 and a telephone station system 101 to 106. The general telephone 107 and the cellular phone 109 for making a telephone call with the other party through the 106 are connected through a general public telephone network (PSTN) 108 and a base station (MOBILE), respectively.

FIG. 2 is a block diagram of an Internet call system according to the present invention for providing a telephone call service between subscribers of a general public telephone network 108 or between subscribers connected to the Internet communication network 100. FIG. As shown in FIG. 323, an Internet phone 200 having a long distance / international call discount button for transmitting and receiving an input voice signal to or from the Internet communication network 100 or the main telecommunications exchanger 201 and 211 is shown. And the back office operator switch 201, 211 and the Internet communication network 100 interwork with each other, and check the information of the client transmitted from the back office operator switch 201, 211 and the internet communication network 100. 211 and a data center 202 for authenticating a call through the Internet communication network 100.

In the above, the data center 202 is connected to each of the telecommunication carrier switch 201 and 211, respectively, and is transmitted from the gateways 203 and 208 for converting the input voice signal into digital packet data. The hub 207 for switching the digital packet data to the Internet communication network 100 and the digital packet data of the Internet communication network 100 to the gateways 203 and 208, and the information of the client through the hub 207 are inquired. Billing server 205 for checking whether a member, the authentication server 206 for authenticating whether or not to permit the call request of the client when it is determined to be a member from the billing server 205, and transmitted through the hub 207 The gatekeeper 204, the Internet communication network 100 and the hub 207, which recognizes the information of the client and checks whether the other party is in a callable state and transmits voice data between the two parties when the other party approves the call. It consists of FireWell 212 that is connected for security maintenance, 209 is a web server (WEB SERVER), 210 is a mail server (MAIL SERVER).

Preferred embodiments of the present invention made as described above will be described in more detail with reference to FIGS. 1 and 2.

The Internet phone 200 is connected to the gateway 201 of the data center 202 via the telecommunications operator switch 201 and connected to an external Internet communication network 100 or a public switched telephone network (PSTN), that is, the telecommunications operator switch. In order to make international and long distance phone calls with a user connected through 211, first, the long distance / international call discount button mounted on the Internet phone 200 is pressed and the other party number is pressed to back-up carrier switch 201 and data center 02. It enters into the billing server 205 of the data center 202 through the gateway 203 and the hub 207.

The billing server 205 of the data center 202 checks whether it is a member through inquiry of customer information, and if it is determined that it is a member from the billing server 205, the authentication server 206 determines whether the client requests the call request. Authenticate

The gatekeeper 204 recognizes the information of the client transmitted through the hub 207 and checks whether the other party can talk. The gatekeeper 204 transmits voice data between the two parties when the other party approves the call. At this time, the voice signal output from the telecommunications carrier switch 201 is connected to the gateway 203 and the hub 207 of the data center 202 connected to the telecommunications carrier switch 201 or the internet communication network 100 or the gateway ( It is transmitted to the back office operator switch 211 via a public switched telephone network (PSTN) associated with 208.

Subsequently, the voice signal is transmitted to the Internet phone 200 or the general telephone 107 through the Internet communication network 100 or the main carrier exchange 211, whereby a communication channel is established, and through this channel, the Internet communication network 100 And a communication is made between the telecommunication company switch, that is, the Internet phone 200 connected to the general public telephone network and the general phone 107.

In this way, when a service subscriber uses the existing carrier's telephone number and telephone line as it is and makes international and long distance calls, he / she presses a long distance / international call discount button on the Internet phone 200 and then presses the other party's number. For interworking based on the Internet, the general telephone line is connected to the main telecommunications exchanger 201 and 211, and the intercity or international travel is through the Internet communication network 100, so the intercity or international charge is removed. You can call at the level.

On the other hand, as a comparative example, the conventional technology, that is, the inconvenience that the user has to enter the telephone number of the called party again after connecting to the Internet gateway through the public public telephone network, and the network of the public public telephone network and the gateway operator In contrast to this, the present invention is connected to the public public telephone network and the internet communication network to connect with or to the subscribers of the public public telephone network that is not equipped with the Internet environment. It can be seen that it is convenient to make phone calls with one subscriber.

In this result, according to the present invention, the intercommunication service provider switch over the general telephone line for interworking with the Internet-based communication network, and the inter-city or international movement is through the Internet communication network, so that the intercity or international charges are removed. The advantage is that you can call at the fare level.

In addition, although specific embodiments of the present invention have been described and illustrated above, it is obvious that the present invention may be variously modified and implemented by those skilled in the art.

Such modified embodiments should not be individually understood from the technical spirit or the prospect of the present invention, and such modified embodiments should fall within the appended claims of the present invention.

According to the Internet call system of the present invention, which is clear from the above description, the subscriber of the public public telephone network without the Internet environment and the service subscriber connected to the Internet communication network can make international and long distance calls using the existing telecommunication company telephone numbers and telephone lines as they are. When making a call, intercity or international travel is performed through the Internet communication network, so it is possible to make a call at the level of the local rate of the reception area where the intercity or international charge is deleted.

Claims (4)

A system for providing telephony services between client terminals connected to an Internet communications network or a public switched telephone network (PSTN): (1) an Internet phone having a long distance / international call discount button for transmitting and receiving an input voice signal to the Internet communication network or a main carrier switch; And (2) including a data center for interworking with the telecommunication company switch and the internet communication network and verifying information of the client transmitted from the telecommunication company switch and the internet communication network to authenticate the call through the telecommunication company switch and the internet communication network; Internet call system characterized by. The method of claim 1, wherein the data center, (1) a gateway, connected to said backbone telecommunications operator, for converting input voice signals into digital packet data; (2) a hub for switching the digital packet data transmitted from the gateway to an internet communication network and the digital packet data of the internet communication network to the gateway; (3) a billing server that checks whether a member is inquired by looking up information of a client through the hub; (4) an authentication server for authenticating whether to permit the call request of the client when it is determined to be a member from the billing server; And (5) Internet communication system, characterized in that the gatekeeper to recognize the information of the client transmitted through the hub to check whether the other party's call is available, and to transmit voice data between the two parties when the other party's call approval. The method according to claim 2, An internet call system, comprising: a FireWall connected between the Internet communication network and the hub to maintain security. In a method in which a plurality of Internet phones are connected to a gateway through a main carrier exchange to make a telephone call with a user connected to a terminal connected to an external Internet communication network or a public public telephone network. (1) inputting the telephone number to a gatekeeper to make a telephone call with a user who is connected to the Internet communication network through a gateway, a hub, and a gatekeeper; (2) the gatekeeper transmitting a call request signal to a gateway for converting and transmitting digital packet data into a voice signal; And And (3) the gateway making a call channel by making a call to the general public telephone network subscriber.