KR200331392Y1 - Wireless VoIP connecting apparatus and internet calling system using the same - Google Patents

Abstract

The present invention relates to an internet call device, and more particularly, to a wireless VoIP connection device for performing an internet phone call without passing through a base station with a mobile phone and an internet call system using the same.

According to the present invention, the wireless internet repeater is controlled to be temporarily registered as a VoIP call repeater of a mobile phone according to a user's request, so that the third party can use the wireless internet repeater without using a mobile phone device without a base station. The effect of making a call is generated. In particular, by using the internet network instead of the mobile phone network, you can get free calls or very cheap discounted phone bills, and you can return your home or company's phone to a third place by using the Internet phone service. As a result, the roaming function can be executed both domestically and internationally.

In addition, even in areas where cell phone base stations are not installed or areas where cell towers are installed, there is an effect of making Internet phone calls using a mobile phone even in a place where the base station cannot receive radio waves normally, and also using a wireless internet repeater. Inexpensive calls can be made.

Description

Wireless VoIP connecting apparatus and internet calling system using same

The present invention relates to an internet call device, and more particularly, to a wireless VoIP connection device for performing an internet phone call without passing through a base station with a mobile phone and an internet call system using the same.

As communication technology develops, telephone call technology using the Internet is widely spreading. There are two ways to make a phone call using internet phone technology in a home.

First, there is a method of using an internet phone using a computer.

When using an Internet phone with a computer, an IP address is assigned by connecting to an Internet Service Provider (ISP) using Point to Point Protocol (PPP), a modem and software for Internet access. By completing preparation for TCP / IP to run, it is possible to connect to the other host for the voice call. Subsequently, when the PC user attempts to connect to the called party by running the Internet phone program and the other party answers, the voice call is connected and the telephone call can be made.

Second, there is a method using an internet phone.

If you are using an Internet phone, instead of running your computer, connect your Internet line to your Internet phone, enter your subscriber ID and set up your gatekeeper information once, and you will be ready to use it like a regular phone. Free calls can be made to Internet phones, and at the same time, Internet phone service companies can make inexpensive calls from Internet phones to regular phones.

In recent years, the popularity of cellular mobile communication has been increasing, and the concept of a telephone is changing from a wired communication to a mobile phone using wireless communication.

Although the mobile phone is wireless and has a convenient and convenient communication reception, the mobile phone can be used only in an area where a base station is installed, and in a place where a base station is not installed or in an area where the base station is not able to receive base station radio waves normally. There is a drawback that is not available. In addition, telephone call rates were relatively expensive. In addition, in order to install a base station, there is a problem in that the place and the cost are relatively high.

The technical problem to be achieved by the present invention is to provide a wireless VoIP connection device for performing the Internet phone call without passing through the base station to the mobile phone and an internet call system using the same to solve the above problems.

1 is a block diagram of an Internet call system using a wireless VoIP connection device according to the present invention.

2 is a detailed configuration diagram of a wireless internet repeater applied to the present invention.

3 is a detailed block diagram of a wireless VoIP connection device according to the present invention.

4 is a detailed configuration diagram of a mobile phone applied to the present invention.

In order to achieve the above technical problem, a wireless VoIP connection device according to the present invention is a connection device for executing data communication between a wireless Internet repeater and a mobile phone having a data communication port, and is connected to a data communication port of a mobile phone, An interface module that executes a data transmission / reception interface with an internet repeater, and is connected to the interface module and converts data transmitted from the mobile phone into a data standard processed by the wireless internet repeater and outputs the data to a wireless communication circuit. Data transmitted from an internet repeater is converted into a data standard that can be processed by the mobile phone and output to the interface module and the data standard conversion module and data transmitted from the data standard conversion module according to a predetermined wireless communication standard And a wireless communication module for modulating and outputting the signal to the antenna, demodulating the signal received from the antenna, converting the signal into digital data, and then outputting the data to the data standard conversion module.

In order to achieve the above another technical problem, the Internet call system according to the present invention is an internet call system using a mobile phone, and includes a data communication port, and a mobile phone operating in an internet phone mode or a mobile phone mode according to a user's selection. A wireless VoIP connection device which is connected to a data communication port of the wireless communication device and performs wireless data communication with the mobile phone and the wireless VoIP connection device according to a predetermined communication protocol, and performs wireless data communication with the wireless VoIP connection device. It stores the ID information, IP information of the terminals assigned in the local network and mobile phone ID information registered in the Internet phone mode, and transmits the registered mobile phone ID information and IP router-specific ID information to the gatekeeper and the base station device. Register in Internet Phone Mode, Local The network address translation of the mobile phone registered in the terminal and the Internet phone mode in the network and the communication path between the source and the destination IP address are designated to connect to the data communication port of the mobile phone registered in the Internet phone mode by the Internet relay and wireless communication interface. A wireless Internet repeater for executing an internet phone call relaying process with a wireless VoIP access device, mobile phone ID information and IP router-specific ID information set as a repeater by the Internet phone mode registration process, and receive the mobile phone ID information from the IP router. The IP address corresponding to the unique ID information is matched and registered in the conversion table. Using the conversion table, the IP router unique ID information and IP address corresponding to the call forwarding request from the base station apparatus are converted. For call request The gatekeeper and the mobile phone number received by the internet phone mode registration process for authenticating whether the IP router unique ID is matched and registered in the database, and the call signal is transmitted to the mobile phone number registered in the internet phone mode in the database. If is generated, characterized in that it comprises a base station apparatus for performing a call forwarding request to the gatekeeper.

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 call system according to the present invention includes the Internet 1000, a public switched public telephone network (PSTN) 2000, a wireless switched network 3000, a mobile phone 110, and an Internet phone IP1, 2 (120-1). 120-2), regular telephone 130, wireless VoIP connection device 140, wireless internet repeater 150, broadband internet modem 160, gateway 170, gatekeeper 180 and base station device 190 It consists of.

The broadband Internet modem 160 may be applied to broadband communication standards such as an Asymmetric Digital Subscriber Line system (ADSL) communication standard with a terminal connected to a broadband Internet network, a Very High Speed Digital Subscriber Line system (VDSL) communication standard, and a cable modem communication standard. Therefore, data processing for data transmission / reception is executed. In general, broadband communication standards allow for upstream speeds of up to 8Mbps and faster upstream speeds of up to 1Mbps.

The gateway 170 includes voice control, DTMF reception, DTMF tone generation, and the like, so that voice telephone calls can be made between the Internet 1000, the PSTN 2000, and the wireless switching network 3000 having different standards. This function converts the signal specification.

The gatekeeper 180 is connected to a plurality of Internet telephones through a local area network (LAN) (not shown) or the Internet 1000. The gatekeeper 180 has a function of controlling a network, performs an authentication operation for determining whether to permit an incoming call from the outside, and controls a bandwidth change request. In addition, conversion between the telephone number and the IP address of the cellular phone registered with the Internet repeater and the wireless telephone is performed using the conversion table already registered. If the customer uses a fixed IP, the IP address corresponding to the Internet phone number in the conversion table is fixed. However, if the customer uses a dynamic IP such as an ADSL and a cable modem, the customer's Internet phone and the gatekeeper 180 Regularly exchanges information between the subscribers (the phone number of the Internet phone, H.323ID and e164ID) to always check and store the changed IP address, thereby confirming the IP address corresponding to the incoming Internet phone number to the Internet Support phone calls.

Gatekeeper 180 registers the mobile phone according to the present invention in the Internet phone mode mobile phone number (ID information) received by the Internet phone mode registration process for operating the wireless Internet repeater 150 as an Internet phone call repeater of the mobile phone And matching the unique ID of the wireless internet repeater IP router with the IP address of the IP router set as the wireless internet repeater 150 to register in the conversion table, and using the conversion table, the radio corresponding to the mobile number requested to be forwarded from the base station apparatus. A process of performing call forwarding by converting ID information and IP address of the Internet repeater and executing a process of authenticating permission of a call request is performed.

The base station device 190 has a built-in database (not shown in the figure), the database is stored by matching the ID of the IP router set to the mobile phone number and the wireless Internet repeater received by the Internet phone mode registration process, the database When a call signal is generated to a mobile phone number registered as an Internet phone, the mobile station executes a call forwarding request to the gatekeeper 180 through the wireless switching network 3000.

First, a communication method between internet telephones connected to the Internet 1000 will be described.

If you want to make a call from the Internet phone IP1 (120-1) to the Internet phone IP2 (120-2), enter the telephone number of the Internet phone IP2 (120-2) by using the keypad of the Internet phone IP1 (120-1). When attempted, the wireless internet repeater 150 executes an internet phone connection process via the broadband internet modem 160. That is, the wireless Internet repeater 150 obtains a source IP address and a destination from the gatekeeper 180 that match the telephone number (ID number) of the Internet phone IP2 110-2 registered in the conversion table. Specifies the connection path of the IP address. Accordingly, it is possible to perform a voice telephone call by data communication on a designated call channel.

Next, the telephone call method of the Internet phone user and the public telephone network subscriber attempts to make a call by inputting the telephone number of the general telephone 130 in the Internet phone IP1 120-1 connected to the Internet 1000. Repeater 150 executes the Internet phone connection process via broadband Internet modem 160. That is, the wireless Internet repeater 150 receives the IP address of the destination gateway that manages the general telephone 130 that matches the telephone number (ID number) of the general telephone 130 registered in the conversion table from the gatekeeper 180. Acquire and specify a connection path between the source IP address and the destination gateway IP address. Accordingly, the PSTN 2000 is connected to the PSTN 2000 under the control of the gateway 170 on the receiving side to make a voice call with the general telephone 130.

Finally, the method of phone call between the Internet phone user and the wireless telephone network subscriber is similar to the above method. The wireless Internet repeater 150 obtains the gateway IP address corresponding to the mobile phone number from the gatekeeper 180, and designates a connection path. A voice call with the mobile phone connected to the wireless switching network 3000 by the base station apparatus 190 is performed by the 170.

Then, the wireless Internet repeater having a VoIP call relay function of the mobile phone according to the present invention will be described in detail with reference to FIG.

As shown in FIG. 2, the wireless Internet repeater applied to the present invention includes an IP router module 201, a system controller 202, a memory 203, a VoIP module 204, a wireless Internet module 205, and wireless communication. Module 206 and antenna 207.

The IP router module 201 stores IP router-specific ID information, IP information of terminals assigned in the local network, and mobile phone ID information registered in the Internet phone mode, and stores the terminal and the mobile phone registered in the Internet phone mode in the local network. It performs the process of translating network addresses and specifying the communication path between the source and destination IP addresses. The IP router module 201 uses an address that is not registered as an IP address of terminals in the local network by using a network address translation (NAT) function in the local network, and uses an address registered as an IP address outside the local network. It identifies the network and the terminals in the local network share the unique IP address of the IP router assigned to the local network.

The memory 203 stores a mobile phone number that is set as a wireless internet repeater and IP router-specific ID information that is set as a repeater according to a process of registering the mobile phone as an internet telephone with the wireless internet repeater as a repeater. The program and the data for registering to 190 are stored.

The system controller 202 operates a program stored in the memory 203 to register the mobile phone as an Internet phone through the wireless communication module 206 from the wireless VoIP connection device 140 connected to the data communication port of the mobile phone 110. When a command for receiving is received, the mobile phone ID information is registered in the IP router module 201, and the IP router unique ID information and the mobile phone ID information are transmitted to the gatekeeper 180 and the base station apparatus 190 for registration. The Internet phone switch registration process of the mobile phone.

The VoIP module 204 executes Internet phone data communication through a network connected to a communication path designated by the IP router module according to the Internet phone communication standard, and transmits an analog voice signal to be transmitted by an embedded codec circuit. Signal processing is performed to convert the compressed digital packet data, decompress the received digital packet data, and convert the digitized voice signal into an analog voice signal.

The wireless internet module 205 is composed of hardware and software for connecting terminals such as a notebook PC, a desktop PC, and a PDA to the Internet by a wireless communication method.

The wireless communication module 206 is composed of hardware and software for performing wireless data communication with the wireless VoIP connection device 140. As an example, the receiving circuit of the wireless communication module 206 is configured with a circuit for demodulating using a band pass filter in the band 914.0125 MHz to 914.9875 MHz, which is a frequency of a high frequency signal allocated to a wireless telephone call band. It can be configured as a circuit for modulating a high frequency signal in the range of 959.0125 MHz to 959.9875 MHz, which is a frequency of a high frequency signal allocated to a wireless communication band.

As another embodiment, the wireless communication module 206 may be designed in a Bluetooth or infrared wireless communication scheme.

Accordingly, the wireless internet repeater 150 performs wireless data communication with the wireless VoIP connection device 140 connected to the data communication port of the mobile phone to serve as an internet repeater for VoIP calls of the mobile phone.

Next, a wireless VoIP connection device 140 according to the present invention will be described in detail with reference to FIG.

As shown in FIG. 3, the wireless VoIP access device 140 according to the present invention includes an interface module 310, a data standard conversion module 320, a wireless communication module 330, and an antenna 340.

The interface module 310 in detail is an interface controller 310-1, a transmit buffer 310-2, a transmit register 310-3, a receive register 310-4, and a receive buffer 310-5. It is composed.

When data is received through the data communication port of the mobile phone 110, the interface controller 310-1 sequentially checks the state of the transmission buffer 310-2 and sequentially receives the received data if the buffer is empty. 310-2), and generate a read control signal. Then, the data stored in the transmission buffer 310-2 are sequentially transmitted to the data specification conversion module 320 through the transmission register 310-3 according to the read control signal generated by the interface controller 310-1.

When the data is received from the wireless internet repeater 150 through the wireless communication module 330 and the data standard conversion module 320, the interface controller 310-1 may determine the state of the reception buffer 310-5. If the buffer is empty after checking, a write control signal is generated. Then, the received data is sequentially stored in the reception buffer 310-5 through the reception register 310-4, and the data stored in the reception buffer 310-5 is sequentially read out to transmit the data to the mobile phone through the data communication port. 110).

The data standard conversion module 320 converts the data transmitted from the mobile phone 110 into a data standard conforming to the Universal Serial Bus (USB) standard processed by the wireless internet repeater 150, and outputs the data to the wireless communication module 330. Universal Serial Bus (USB) standard data transmitted from the wireless Internet repeater 150 is converted into a data standard that conforms to the Universal Asynchronous Receiver Transmitter (UART) standard that can be processed by the mobile phone 110, and outputs it to the reception register (310-4) Let's do it.

The wireless communication module 330 is composed of hardware and software for performing wireless data communication with the wireless internet repeater 150. As an example, the receiving circuit of the wireless communication module 330 is configured with a circuit for demodulating using a band pass filter of 914.0125 MHz to 914.9875 MHz, which is a frequency of a high frequency signal allocated to a wireless telephone call band. It can be configured as a circuit for modulating a high frequency signal in the range of 959.0125 MHz to 959.9875 MHz, which is a frequency of a high frequency signal allocated to a wireless communication band.

As another embodiment, the wireless communication module 330 may be designed in a Bluetooth or infrared wireless communication scheme.

Next, a mobile phone 110 applied to the present invention will be described in detail with reference to FIG. 4.

As shown in FIG. 4, the mobile phone 110 applied to the present invention includes an antenna 401, an RF module 402, a controller 403, a keypad 404, a memory 405, a codec 406, and a display unit. 407.

First, the general operation of the mobile phone will be described.

When attempting to make a call using the numeric keys and the function keys of the keypad 404, the controller 403 generates a signal for call processing according to a program stored in the memory 405 so as to generate an RF module 402 and an antenna 401. ) Is transmitted to the base station (not shown), and the call channel is connected when the receiver responds to the call processing signal.

When the call channel of the transmitting / receiving side is connected, the voice signal input to the microphone is converted into a digital signal by the codec 406, encoded, and then modulated by the RF module 402 and output through the antenna 401 to communicate through the call channel. Is sent to the receiving telephone. The signal received by the antenna 401 is demodulated by the RF module 402 and then decoded by the codec 406 and output through the speaker.

Therefore, the voice call of the transmitting / receiving side is possible through the connected call path.

The memory 405 stores various programs and data for using a cellular phone, and in particular, programs for operating the cellular phone in the Internet telephone mode. These programs and data can be transmitted externally through the data communication port.

The display unit 407 serves to output data necessary for making a call and executing a call process on a screen.

Next, the process of registering the cellular phone in the Internet telephone mode will be described.

Key Combination for Registering Mobile Phone in Internet Phone Mode Using Keypad 404 Example When a registration code (#) + a mobile phone number + an end code (SND) is input, the controller 403 enters a registration code (#). In this case, it is determined that the Internet phone mode and transmits the input data to the wireless VoIP connection device 140 through the data communication port.

Then, the wireless VoIP connection device 140 transmits the data corresponding to the registration code (#) + mobile number + end code (SND) input from the mobile phone 110 to the wireless Internet repeater 150.

The system controller 202 of the wireless internet repeater 150 analyzes the data received from the wireless VoIP connection device 140 and, when receiving registration code (#) data for internet phone mode registration, receives the wireless internet repeater ID. The added registration code (#) + mobile phone number + wireless Internet repeater ID + termination code (SND) is transmitted to the gatekeeper 180 via the broadband Internet modem 160, and the base station apparatus ( 190).

Then, the gatekeeper 180 matches the received mobile phone number and the ID of the wireless internet repeater set as the repeater with the IP address to which the wireless internet repeater is connected, and registers it in the conversion table. At the same time, the base station apparatus 190 also matches the received mobile phone number and the ID of the wireless Internet repeater set as the repeater and registers it in the database.

Through this process, the wireless internet repeater can be registered with the gatekeeper 180 and the base station apparatus 190 as the VoIP call repeater of the mobile phone.

In addition, the process of canceling the wireless Internet phone registered as the VoIP call repeater of the mobile phone is executed in the same manner as the registration process, and can be designed with a key combination, for example, a cancel code (*) + mobile number + end code (SND). .

Next, a process of operating the wireless internet repeater as a VoIP call repeater of the cellular phone will be described.

When a call signal is generated with a mobile phone number registered as an Internet telephone in the database of the base station device 190, the base station device 190 transmits the mobile phone number where the call signal is generated and information for requesting call forwarding to the gatekeeper 180. To send.

Then, the gatekeeper 180 converts the ID information and the IP address of the wireless Internet repeater corresponding to the mobile phone number requested from the base station apparatus 190 using the conversion table according to the received call forwarding request. The call forwarding information and the call signal are generated by the wireless Internet repeater 150 connected to the converted IP address. Then, the wireless Internet repeater 150 generates a call signal to the mobile phone 110 through the wireless VoIP connection device 140 connected to the data communication port of the mobile phone 110 through the wireless communication module 206 and responds to the mobile phone. You can make a call. Accordingly, the wireless internet repeater 140 operates as a VoIP call repeater of the mobile phone 110.

In addition, when attempting to make a call from the mobile phone by using the wireless internet repeater 150 as the VoIP call repeater of the mobile phone 110, the mobile phone functions as a wireless handset of a wireless internet repeater having hardware and software necessary for Internet phone service. You will be able to make Internet calls.

Specific embodiments shown in the accompanying drawings are to be understood only as an example of the present invention, and do not limit the scope of the present invention, and various technical scopes described in the present invention in the technical field to which the present invention belongs. As other changes may occur, it is obvious that the present invention is not limited to the specific configurations and arrangements shown or described.

As described above, according to the present invention, by controlling the wireless internet repeater to be temporarily registered as a VoIP call repeater of a mobile phone according to a user's request, the base station using a mobile phone device at a third place using the wireless internet repeater The effect is that you can make Internet phone calls without going through. In particular, by using the internet network instead of the mobile phone network, you can get free calls or very cheap discounted phone bills, and you can return your home or company's phone to a third place by using the Internet phone service. As a result, the roaming function can be executed both domestically and internationally.

In addition, even in areas where cell phone base stations are not installed or areas where cell towers are installed, there is an effect of making Internet phone calls using a mobile phone even in a place where the base station cannot receive radio waves normally, and also using a wireless internet repeater. Inexpensive calls can be made.

Claims (4)

A connection apparatus for performing data communication between a wireless internet repeater and a mobile phone having a data communication port, An interface module connected to a data communication port of a cellular phone and executing a data transmission / reception interface with the wireless Internet repeater; Connected to the interface module, data transmitted from the mobile phone is converted into a data standard processed by the wireless internet repeater and output to a wireless communication circuit, and data transmitted from the wireless internet repeater is a data standard that can be processed by the mobile phone. A data standard conversion module for converting and outputting the converted data to the interface module; And A wireless communication module for modulating the data transmitted from the data standard conversion module according to a predetermined wireless communication standard to output to the antenna, demodulating the signal received from the antenna and converting the signal into digital data, and outputting the data to the data standard conversion module. Wireless VoIP connection device characterized in that it comprises a. The method of claim 1, wherein the interface module A transmission buffer for sequentially storing data transmitted from the mobile phone; A transmission register for temporarily storing data read from the transmission buffer; A reception register for temporarily storing data to be transmitted to the mobile phone; A receiving buffer which sequentially stores data read from the receiving register and outputs data in the input order; And And an interface controller for generating various control signals for controlling the transmission / reception buffer and the transmission / reception register according to a data transmission control signal received from the mobile phone or the wireless internet repeater. . In the Internet call system using a mobile phone, A mobile phone having a data communication port and operating in an internet phone mode or a mobile phone mode according to a user's selection; A wireless VoIP connection device connected to the data communication port of the mobile phone and executing wireless data communication of the mobile phone and a wireless Internet relay period in accordance with a predetermined communication protocol; Perform wireless data communication with the wireless VoIP access device, store ID information unique to an IP router, IP information of terminals assigned in a local network, and mobile phone ID information registered in an Internet phone mode; By sending the ID information unique to the IP router to the gatekeeper and the base station device, the mobile phone is registered in the Internet phone mode, and the network address translation and source and destination IP address of the mobile phone registered in the mobile phone mode and the terminal within the local network are established. A wireless internet repeater which executes an internet phone call relay process to the wireless VoIP connection device which is designated and connected to a data communication port of a mobile phone registered in an internet telephone mode by an internet relay and a wireless communication interface; Receiving mobile phone ID information and IP router specific ID information set as a repeater by the Internet phone mode registration process, matching the mobile phone ID information to an IP address corresponding to the ID information unique to the IP router, and registering it in the conversion table. A gatekeeper for converting IP router-specific ID information and IP address corresponding to the mobile number requested to be transferred from the base station apparatus using the conversion table, and authenticating permission of the call request; And The gatekeeper is generated when a call signal is generated with a mobile phone number registered in the Internet phone mode in the database by matching a unique ID of the IP router with a mobile phone number and a repeater received by the Internet phone mode registration process. And a base station apparatus for executing a call forwarding request. 4. The wireless internet repeater of claim 3, wherein It stores IP router's unique ID information, IP information of terminals assigned in local network, and mobile phone ID information registered in Internet phone mode, network address translation, source and destination of mobile phone registered in Internet phone mode and terminal in local network. An IP router module for designating a communication path of an IP address; A VoIP module for performing cross-conversion signal processing of an analog voice signal and a digital signal transmitted / received through a network connected by a communication path designated by the IP router module according to an Internet phone communication standard; A wireless communication module for executing a call interface wireless interface between the VoIP module and a wireless VoIP connection device connected to a data communication port of a cellular phone registered in the IP telephone module in the IP router module; And When a command for registering a mobile phone in the Internet phone mode is received from the wireless VoIP access device, the mobile phone ID information is registered in the IP router module, and the ID information and mobile phone ID information unique to the IP router are stored in the gatekeeper and And a system controller which transmits to the base station apparatus to perform call forward registration of the cellular phone ID information to the ID information unique to the IP router.