KR20090025117A - Apparatus for relaying signal of telephone - Google Patents

Abstract

A telephone relaying apparatus for saving a telephone call charge connecting a general telephone on internet and PSTN network is provided to reduce a call charge due to performing free call through the internet by using the existing telephone. A telephone line interface(21) is connected to PSTN(Public Switched Telephone Network) network. An internet interface(11) is connected to internet. A telephone interface(31) is connected to a phone(1). The telephone interface is connected through the call connection part(40) through the telephone line interface or the internet interface. The packet conversion part(13) receives conversation data by being connected with the internet interface. The packet conversion part converts the received conversation data into the speech signal. The packet conversion part transmits the transformed speech signal to the call connection part. A packet generator(14) is connected to the telephone interface. The packet generator converts the speech signal inputted through phone into conversation data. A controller(50) is connected to the SKYPE DB system through internet. The controller determines whether the receiving side is subscribed to SKYPE. The controller controls the call connection of the telephone line interface of the call connection part or the internet interface.

Description

Telephone repeater for saving call charges {APPARATUS FOR RELAYING SIGNAL OF TELEPHONE}

The present invention connects a general telephone used at home to not only the PSTN network but also the Internet network to utilize free telephone and free messaging functions using the Internet, and receives and displays data such as various advertisements and living information through the Internet network. It relates to a telephone repeater having a.

Since telephone calls over the Internet are free or inexpensive, various technologies are currently being developed for not only public telephone networks (PSTN networks) but also phones (including repeaters) capable of making Internet calls through the Internet.

As a device that enables telephone calls through not only a public telephone network (PSTN network) but also an internet network, Korean Patent Application Laid-Open No. 2005-72986 "A relay device that enables transmission and reception of all calls using an Internet telephone and a telephone network" Many have been disclosed, such as "wireless / wireless combined telephones with Internet phone functions."

In order to be able to make a telephone call through the internet network, both the sender and the receiver must be connected to the internet network and have a device that supports the internet call. This device has its own ID (Internet address) registered on the Internet. Should be The sender must know the receiver's equipment ID.

Therefore, the caller must make a memorization of the equipment ID of a large number of spare recipients or store the equipment ID in memory to save the call. This is cumbersome, and it is possible for a person (ie, a spare recipient) to make an internet call. If you do not know this, but make a phone call through the public telephone network may cause unnecessary call charges.

In this way, the device that enables the telephone call through the public telephone network (PSTN network) and the Internet network automatically determines whether the called party can make an Internet telephone call when the caller attempts to make a telephone call (whether the caller knows the ID of the called party's equipment). If possible, it is necessary to reduce the cost of the call by making a telephone call through the Internet. By the way, the conventional equipment including the published patent and registered utility model is not equipped with such a function.

And cell phones are now a necessity and are owned by individual family members. And the mobile phone uses the communication network of the subscribed carriers (SKT, KTF, LGT, etc.) and pays the corresponding call fee.

By the way, when using the 080 communication network when making a phone call with a mobile phone, the usage fee is reduced by about 50% than using the communication network of the communication company. However, in order to use the 080 network, mobile phone holders are not using it well because of the hassle of pressing 080 and a special number before the receiver's telephone number.

The present invention has been made to solve the above problems, even if the caller may be the Internet side of the receiver. It is an object of the present invention to provide a relay device that reduces call costs by automatically connecting through an internet network if the caller is able to make an internet phone call when the caller attempts to make a phone call without knowing the ID of the receiver.

In addition, the ACR chip is inserted into the charging terminal of the mobile phone so that the telephone call of the mobile phone can be automatically performed through the 080 communication network, thereby reducing the call charge of the mobile phone. It is an object of the present invention to provide a telephone relay device that can receive data on the usage history of a mobile phone using a chip to manage the use of a mobile phone by a family member.

In addition, the purpose of the present invention is to provide a telephone relay device that facilitates the user's life by receiving and displaying data on various advertisements and life information through the Internet.

Telephone relay apparatus for calling charge saving of the present invention for achieving the above object

A telephone line interface connected to the PSTN network;

An internet interface connected to the internet network;

A telephone interface connected to a telephone and connected to the telephone line interface or the internet interface through a call connection unit;

A packet converter which is connected to the Internet interface to receive call data, converts the received call data into a voice signal and transmits it to the call connection unit;

A packet generation unit connected to the telephone interface and converting a voice signal input through the telephone into call data and transmitting the voice signal to the internet interface;

And a control unit connected to the SKYPE DB system through an internet network to determine whether a receiving party is subscribed thereto and to control a call connection to the telephone line interface or the internet interface of the call connection unit.

And the ID set in the control unit for the Internet telephone call and subscribed to the SKYPE DB system is characterized in that it includes the telephone number of the telephone,

The control unit receives a signal input from the phone and converts it into a character code corresponding to the corresponding numeric key, the packet generation unit transmits the character code converted by the control unit through the Internet interface, the packet conversion unit is the Internet Receives the character code input through the interface and transmits to the control unit, characterized in that the control unit is connected to the image output unit for receiving the converted character code and the input character code and output to the display means,

Inserted into the charging terminal of the mobile phone further comprises an ACR chip for the mobile phone to communicate through the 080 communication network, the control unit is registered with the phone number of the mobile phone using the ACR chip, 080 through the Internet network It is connected to the exchange system characterized in that for receiving data on the usage history of the 080 communication network of the mobile phone,

And an information data receiver connected to the internet network through the internet interface to periodically receive advertisement data, and a database storing the received advertisement data. And displaying the received advertisement data or advertisement data stored in the database on the display means.

The telephone line interface is connected with a calling party number detection unit for detecting a calling party number from a ring signal received through the PSTN network and transmitting the calling party number to the control unit. The packet conversion unit is connected to a calling party from a ring signal received through the Internet network. An ID detection unit for detecting an ID of the relay device and transmitting the ID to the control unit is connected, and the control unit reads personal information related to the information from the database based on the received caller ID or ID and displays the information on the display unit. .

The present invention having the configuration as described above can use the existing ordinary telephones as it is possible to free calls and free messaging through the Internet network to reduce the call cost,

When the caller presses the phone number of the receiver to make a telephone call, the receiver automatically judges whether the internet call is possible, and according to the result of the determination, the caller is connected to the public telephone network or the internet network to promote user convenience and reduce the call cost. and,

User's convenience by reducing call cost of mobile phone by using ACR chip and managing usage of mobile phone by receiving usage information from 080 exchange system through internet network, and receiving and displaying various advertisements or life information through internet network Has the effect of promoting.

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

As shown in Fig. 1, the relay device 100 of the present invention is connected with a home general telephone 1, a PSTN network (public telephone network), an internet network, and a TV 2 through display means.

In addition, the relay device 100 receives a code value transmitted through a remote control 6 or a mobile phone 7 having an infrared transmission function and displays the code value on the TV 2 to support the creation of a user's text message, and another relay device. Receive and display text messages from.

2 is a block diagram of the relay apparatus 100 according to the present invention, which will be described with reference to the following.

As shown in the figure, an internet interface 11 connected to the Internet network via a cable, a telephone line interface 21 connected to the PSTN network, a phone interface 31 connected to the telephone 1, and the telephone interface 31 Call connection unit 40 connecting the telephone line interface 21 or the Internet interface 11 and the packet conversion unit 13, the packet generation unit 14, the control unit 50, the image output unit 70, etc. It is made, including.

The relay apparatus 100 simultaneously supports general pay calls through the PSTN network and free calls through the Internet network. First, the components of the pay device through the PSTN network will be described.

The telephone line interface 21 is connected to the PSTN network to enable call reception and call transmission. The telephone interface 31 is connected to the telephone 1.

At this time, a call connection portion 40 is provided between the telephone line interface 21 and the telephone interface 31 to enable a call connection between the PSTN network and the telephone 1.

And the calling party number detection unit 22 detects the calling party number (CID) from the ring signal transmitted from the switch of the PSTN network and delivers it to the controller 50.

The control unit 50 connects the telephone line interface 21 and the telephone interface 31 through the call connection unit 40 to create an incoming environment through the telephone 1, and detects it through the caller ID detector 22. The sender number is displayed on the display means (2,71) through the image output unit (70). At this time, the controller 50 searches whether the detected calling party number is stored in the database 60 based on the transmitted calling party number, and if it is found, reads and displays personal information (name, telephone number, acquaintance, etc.) related thereto. The means 2 and 71 can be displayed together.

In addition, when the call is made through the PSTN network, the corresponding call number information is converted into a call signal through the call connection unit 40 and transmitted to the call line interface 21, and at the same time, the call line interface 21 and the phone interface 31. ) Is connected so that the user can make a call through the existing telephone 1.

And the sound output unit 83 which is not described is connected to the control unit 50 to output a voice signal, the hook monitoring unit 85 detects the on-off state of the telephone receiver 1, the power supply unit 84 relay Supply the necessary power to the device 100 and the telephone 1.

In the paid call through the general PSTN network, since the relay device 100 merely plays a role of connecting the PSTN network and the existing phone 1, a detailed description thereof will be omitted.

Next, each configuration used for free calls through the Internet will be described below.

The Internet interface 11 is connected to the Internet network to process and send and receive call data for Internet telephony calls, SKYPE DB system (5), 080 exchange system (4), shopping mall server (5), local search server on the Internet (5) Receive various data.

The free call through the Internet network of the present invention is a peer-to-peer network (P2P) type internet phone which is made only between the relay devices 100, and is different from a conventional VoIP (Voice over Internet Protocol) type internet phone.

 In the existing VoIP method, there are clients and servers operated by an operator for Internet calls on the Internet, and a registered user makes an Internet call and pays a fee using this client and server. Of course, the fee is cheaper than using a public telephone network.

On the other hand, in the P2P method, only peer nodes play the role of client and server at the same time on the network without the concept of client or server, and users connect to SKYPE DB system which has ID DB system worldwide. After registering the ID of the equipment (relay device 100, PC, etc.) for Internet telephony, Internet telephony can be made free of charge. The SKYPE DB system updates ID systems around the world every 30 minutes.

The relay device 100 of the present invention that supports Internet telephony of the P2P method transmits the call data using its own ID to the relay device 100 of the counterpart having the ID to make a telephone call, Internet call is made by confirming and receiving the call data transmitted from the relay device 100 with its own ID. Therefore, all the resources available on the network can be utilized to increase the completion rate and quality of the call on the network, and if the existing phone (1) is located, if only the relay device 100 is connected and connected to the Internet anytime and anywhere You will be able to make free calls.

Each relay device 100 has an identifying power as a unique ID. The external connection feature of the relay device 100 is schematically illustrated in FIG.

Referring to FIG. 8A, the PSTN network is provided with an external control circuit (SLIC), the telephone 1 has an internal control circuit (COIC), and the Internet network is provided with a modem (LAN), so that through the PSTN network It will be able to support regular Internet calls as well as free Internet calls over the Internet. The application structure of such an external line control circuit, an extension control circuit and a modem is shown in more detail in FIG. 8B.

An information data receiver 12, a packet converter 13, and a packet generator 14 are connected to the Internet interface 11.

The information data receiving unit 12 receives various advertisement information, living information, etc. from a service operation server providing various information through the Internet network, transmits them to the control unit 50, stores them in the database 60, and outputs an image. It displays on the display means (2,71) through the unit 70.

Here, the living information refers to personalized living information including location of various shopping malls, public institutions, educational institutions, hospitals, etc., and telephone number information in a corresponding region, which are prepared according to the installation area of the relay device 100.

In addition, the shopping information includes a neighborhood including sale location information, sale phone number information, sale time information, sale item information, sale price information, etc. for a shopping mall in a corresponding region provided according to the installation area of the relay device 100. Local auction information and internet auction comprehensive shopping information service that allows you to purchase goods at the lowest price in the country regardless of the installation area. You can check the price saving effect directly, and the location of various movies, concerts, sports facilities, etc. It includes leisure information, including schedules, connection numbers.

Here, the installation area of the relay device 100 may be determined by a phone number of the phone 1 to which the corresponding relay device 100 is connected, or may be subjected to a separate area authentication process.

Such living information and shopping information is provided in the service operation server, and the service operation server divides the advertisement information into regions according to each phone number and downloads the announcement information of the region according to the download request to access each region. . At this time, it is preferable that such advertisement information is downloaded once every day or on demand.

In addition, the information data receiving unit 12 receives the information on the usage history for the mobile phone 7 is equipped with the ARC chip from the 080 exchange system and registered in the relay device 100 through the Internet network. Then, the controller 50 stores the usage history information received by the information data receiver 12 in the database 60 and displays it on the display means 2 and 71 through the image output unit 70. The information displayed on the display means (2,71) displays the number of calls, the talk time, the call charge (communication charge compared with the case of using a carrier such as SKT) of the mobile phone (7).

Then, the user can conveniently manage the use of the mobile phone 7 by the holder of the mobile phone 7 (generally will be a member of the family) with the displayed usage information.

Here, the ACR (Auto Calling Routing) chip is inserted into the charging terminal of the mobile phone 7 so that the mobile phone 7 is automatically connected to the 080 communication network.

The packet converter 13 converts the call data received through the Internet interface 11 into a voice signal and transmits the voice data to the call connection unit 40.

The packet generation unit 14 converts the voice signal of the user input through the telephone interface 31 into call data and transmits the voice signal to the internet interface 11.

By the packet converter 13 and the packet generator 14 of the relay device 100, the user can easily use the Internet free telephone even with the existing telephone 1.

Here, the ID conversion unit 15 is connected to the packet conversion unit 13 to detect the ID of the call counterpart, that is, the caller relay device 100. This ID is included in the call packet data received during the call, and is extracted by the ID detection unit 15 in the voice signal separation operation of the packet converter 13.

On the other hand, when the user attempts to make a free call through the Internet network with the counterpart equipped with the relay apparatus 100 through the phone 1, the user presses the phone number of the counterpart on the phone 1. The dial signal is transmitted to the controller 50 via the dial receiver 32, and the controller 50 receiving the dial signal accesses the SKYPE DB system through the Internet network (if stored in the database 60). (60) to search whether or not an ID corresponding to the dial signal is registered. If the search result is registered through the image output unit 70 to notify the user of the free Internet call, and extracts the ID of the relay device 100 of the other party and delivers it to the ID generation unit 16. The ID generator 16 generates an Internet phone ID for free internet call using the ID of the counterpart relay 100 and its own relay 100 and transmits the ID to the packet generator 14. The packet generation unit 14 may generate a call packet combining the call data of the user and the Internet phone ID.

Referring to FIG. 3 as an example, when the user's phone number is 02-123-4567 and the other party's phone number is 032-456-7890, it is set in the control unit 50 of the relay device 100 and the SKYPE. The ID of the relay apparatus 100 subscribing to the DB system is to include the telephone number of the telephone 1. That is, as shown in the figure, the user's ID is set as 'SBT021234567' and the counterpart's ID is set as 'SBT0324567890' in the controller 50 and registered in the SKYPE DB system.

In the state in which the ID of the relay apparatus 100 is set and registered in such a manner, when the user presses the telephone number of the other party through the telephone 1, the controller 50 sets 'SBT' to the telephone number '0324567890' that is pressed. After generating the ID of the combined counterpart relay device 100, access the SKYPE DB system to search whether the corresponding ID is registered, and if found, the ID of the user relay device 100 and the counterpart relay device 100. ID of the Internet phone ID is transmitted to the packet generation unit 14 to make a call packet. In the Internet, free calls are made using the Internet phone ID as a source and destination of call packets.

Of course, if the counterpart's relay device ID is not retrieved through the SKYPE DB system, the control unit 50 connects to the call number that the user presses through the PSTN network.

As such, when the telephone number of the telephone 1 connected to the relay device 100 is included in the relay device ID and set in the controller 50 and registered in the SKYPE DB system, the counterpart to which the user wants to call is relayed. Even if it is not known whether the device 100 is provided (i.e., whether an Internet phone is possible), even if it does not know the ID of the counterpart relay device 100, that is, even if only the phone number of the counterpart is known, the relay device 100 can use the Internet phone. Automatically determine whether it is possible to try free calls that quote the Internet first to reduce the call cost.

On the other hand, the control unit 50 is connected to the key input unit 81, the card reader 82, the sound output unit 83, the power supply unit 84, the hook monitoring unit 85, the infrared receiver 86 and the like.

The key input unit 81 is for supporting a user to operate the relay apparatus 100, and an example thereof is illustrated in FIG. 5.

The card reader unit 82 allows the relay apparatus 100 to recognize various external memory cards as additional data storage. The memory card may store a large amount of advertisement information that cannot be stored in the database 60 of the relay device 100. Preferably, at least one of a large amount of advertisement information, call information, and message information may be stored in the memory card of the card reader unit 82 according to a user's intention.

The sound output unit supports a user to connect an external sound device such as an earphone or a speaker.

The power supply unit 84 receives power for the relay device 100 from the outside.

The hook detection unit detects the hook-off state when the handset of the telephone 1 is lifted or the hook-on state when the handset is placed and outputs the signal to the controller 50.

The infrared receiver 86 receives an infrared signal transmitted from the outside and transmits the infrared signal to the controller 50. The external infrared signal may be transmitted from the remote controller 6 which is commonly seen at home, or may be transmitted from a mobile phone 7 having an infrared soul function or the like. This infrared signal is used when composing a text message through the relay apparatus 100.

As shown in FIG. 5, both the remote controller 6 and the mobile phone 7 have numeric keys, and each numeric key transmits infrared rays of the same code.

Accordingly, the infrared code transmitted by the controller 50 is converted into the corresponding character code and displayed on the display means 2 and 71 to support the creation of the user's text message. In addition, the telephone 1 is also equipped with such a numeric key, so that the code of the numeric key input through the numeric key of the telephone 1 in the text message sending mode is converted into a text code by the control unit 50 and the message. Can support writing

The text message thus prepared is packetized through the ID generator 16 and then transmitted through the Internet network. On the contrary, the received text message is transmitted to the controller 50 through the ID detector 15 and the packet converter 13 and displayed through the image output unit 70. Figure 6 shows a four-time gymnastics Hangul Hangul technique of the writing standard.

The database 60 includes an integrated management DB including a phone book, a frequently used number, a shortcut number, a group phone book, a free charge book, a call log, a reserved call setting information, and the like.

Message management DB including text box, frequently used text form, text while writing,

Life information DB including information on various stores, public institutions, educational institutions, hospitals, etc. in the area of installation of the relay device 100,

The shopping information DB including information on shopping rails, internet auction information, various leisure information, etc. in the area of the installation area of the relay device 100 is included.

Although not particularly shown in the drawing, the controller 50 may include a charging port for charging the mobile phone 7, a USB port for downloading various data with the mobile phone 7, and the like.

Hereinafter, a call method using the relay apparatus 100 of the present invention will be described with reference to FIG.

First, the user establishes a basic call management DB in the database 60. (S10) The call management DB stores phone numbers, personal information such as names and genders, and information on whether an internet telephone call is possible. .

  If there is a call reception in the relay apparatus 100 (S20), the controller 50 determines whether the incoming call is received through the Internet network or the PSTN network.

As a result of the determination, in the case of a general call received through the PSTN network, the controller 50 connects the telephone interface 31 and the telephone line interface 21 through the call connection unit 40 and through the caller ID detection unit 22. Detects the calling party number transmitted from the PSTN network switch (S22), searches the database 60 using the detected calling party number, finds information matching the corresponding calling party number, and delivers the information to the image output unit 70 to display it on its own. Fig. 2 shows the telephone number currently retrieved on the TV 2 and the retrieved information. (S23, S24)

If the determination result is a free Internet phone call through the Internet network, the controller 50 transmits the incoming call data received through the Internet interface 11 to the packet converter 13 and the packet through the call connection unit 40. The conversion unit 13 and the telephone interface 31 are connected, the packet conversion unit 13 separates the voice signal from the received call data, and the control unit 50 extracts the caller-side relay device 100 extracted in the separation process. Search the database 60 using the ID of < RTI ID = 0.0 > 1 < / RTI > to find the sender's information and send it to the image output unit 70 for display on the display means 2, 71. (S25, S26, S27, S28)

On the other hand, if there is a call origination request of the user (S30) the control unit 50 is generated in the database 60 after generating the relay apparatus 100 ID of the other party with the outgoing dial number (telephone number) input from the user Search whether ID is stored or determine whether ID created by accessing SKYPE DB system is subscribed. In other words, the receiver determines whether an internet phone call is possible (S31, S32).

If it is determined that the call is to be made through the PSTN network, the control unit 50 connects the telephone interface 31 and the telephone line interface 21 through the call connection unit 40 to dial a telephone number input by the user. Call to the PSTN network, search the database 60 using the dial number inputted to find the matching caller information and transfer the information to the video output unit 70 to the display means (2, 71) (S33, S34)

When the determination result is that the Internet phone is to be transmitted through the Internet network, the controller 50 determines that the ID generation unit 16 uses the relay device 100 ID and the relay device 100 ID of the other party for free Internet access. By generating the ID of the Internet phone for the call to pass to the packet generation unit 14 generates the outgoing information for free Internet calls. At this time, the controller 50 also displays the information of the other party on the display means (2, 71). And during the call, the control unit 50 binds the calling information and the user's voice signal to make a data packet for the call through the packet generation unit 14 and sends it to the Internet network, and sends the packet data for the call received through the Internet network. By converting to a voice signal, the user can make a voice call through the phone 1. (S35, S36, S37)

Next, a text message transmission method will be described with reference to FIG. 7.

First, a basic call management DB is constructed in the database 60 (S50).

Subsequently, in response to a message transmission request input by the user through the key input unit 81, the controller 50 activates the message transmission mode. Here, the message transmission mode refers to a message input step in which a user converts a numeric key input through the remote controller 6, the mobile phone 7, or the phone 1 into a corresponding character code and displays it. S51)

In addition, the control unit 50 displays the character code input method as shown in FIG. 5 through the image output unit 70 on the display means 2 and 71 to guide the user's input of the character code. Receives a numeric key. (S52, S53)

The control unit 50 converts the received numeric key into a corresponding character code and displays it to the user through the display means 2 and 71. When the text message is completed, the ID generation unit 16 generates the corresponding text message. Using the receiver's relay device 100 ID and the sender's relay device ID, the Internet phone ID is generated and delivered to the packet generator 14, and the packet generator 14 packetizes the text message. To send through the Internet interface (11). The sent text message is stored in the database 60 (S54, S55).

On the other hand, when a text message is received from the Internet network, the packet conversion unit 13 separates the calling party information from the received text message and transmits it to the control unit 50. The control unit 50 notifies the user of the text message destination. (S56, S57)

If there is a request for confirming the incoming text message of the user, the controller 50 displays the text message so that the user can check it through the display means 2 and 71, and stores the text message in the database 60. S58)

In the above description of the present invention with reference to the accompanying drawings has been described with respect to the telephone relay device for saving the call charges having a specific configuration and procedure, the present invention can be variously modified and changed by those skilled in the art, such variations and modifications It should be interpreted as falling within the protection scope of the present invention.

1 is a state diagram showing a relay device and a peripheral device connected thereto according to the present invention.

2 is a detailed configuration diagram of a relay device according to the present invention.

3 is a view for explaining the Internet call transfer according to the present invention.

4 is a view for explaining the external appearance of the relay control device of the present invention.

5 is a view for explaining an environment for creating an internet message according to the present invention;

6 is a flowchart illustrating a call method according to the present invention.

7 is a flowchart illustrating a text message connection method according to the present invention.

8 is a view for explaining the structure of the interface to which the present invention is applied.

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

11: Internet interface 12: Information data receiver

13: packet conversion unit 14: packet generation unit

21: telephone line interface 22: caller ID detection unit

31: phone interface 32: dial receiver

40: call connection 50: control unit

60: database 70: video output unit

Claims (6)

A telephone line interface connected to the PSTN network; An internet interface connected to the internet network; A telephone interface connected to a telephone and connected to the telephone line interface or the internet interface through a call connection unit; A packet converter which is connected to the Internet interface to receive call data, converts the received call data into a voice signal and transmits it to the call connection unit; A packet generation unit connected to the telephone interface and converting a voice signal input through the telephone into call data and transmitting the voice signal to the internet interface; And a control unit connected to the SKYPE DB system through an internet network to determine whether the receiving party is subscribed thereto, and controlling a call connection to the telephone line interface or the internet interface of the call connection unit. Telephone repeater. The method of claim 1, ID set in the control unit for the Internet telephone call and subscribed to the SKYPE DB system includes a telephone number of the telephone. The method according to claim 1 or 2, The control unit receives a signal input from the phone and converts it into a character code corresponding to the corresponding numeric key, the packet generation unit transmits the character code converted by the control unit through the Internet interface, the packet conversion unit is the Internet Receives the character code input through the interface and transmits to the control unit, And the control unit is connected with an image output unit for receiving the converted character code and the inputted character code and outputting the same to the display means. The method of claim 3, wherein Inserted into the charging terminal of the mobile phone further comprises an ACR chip for the mobile phone to communicate through the 080 communication network, The control unit registers a phone number of a mobile phone using the ACR chip, and is connected to an 080 exchange system through the Internet network to receive data on usage of the 080 communication network of the mobile phone. Telephone repeater. The method of claim 4, wherein And an information data receiver connected to the internet network through the internet interface to periodically receive advertisement data, and a database for storing the received advertisement data. And the control unit displays advertisement data received by the information data receiver or advertisement data stored in the database on the display means according to a user's treaty. The method of claim 5, wherein The telephone line interface is connected to the calling party number detection unit for detecting the calling party number from the ring signal received through the PSTN network to transmit to the control unit, The packet conversion unit is connected to the ID detection unit for detecting the ID of the caller-side relay device from the ring signal received through the Internet network and transmits it to the control unit, The control unit reads the personal information related to the information from the database based on the received caller number or ID and displays it on the display means. The control unit is connected to the charging port for charging the mobile phone, the phone relay device for saving the call charge, characterized in that connected to the USB port for downloading various data with the mobile phone.

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