KR100406969B1 - IP(Internet Protocol) Adapter Connectable from Telephone to PC(Personal Computer) - Google Patents

Abstract

The present invention receives an analog signal output from the telephone, encodes and converts it into a digital signal, decodes the digital signal output from the voice signal processing means to convert the analog signal and output to the telephone, the telephone and the encoder Telephone connection means having a telephone interface for performing a data interface therebetween; Voice signal processing means for compressing and outputting the signal inputted from the telephone connection means and restoring the compression of the input signal through the reverse process thereof and outputting the compressed signal to the telephone connection means; compression and restoration function of the voice signal processing means; Control means for controlling the transmission function of the entire data, including; It consists of an interface that performs a data interface by connecting between the control means and the universal serial port of the personal computer, by connecting the Internet protocol adapter between the universal serial port of the personal computer and the telephone, it is possible to make a telephone call over the Internet network It is to provide an internet protocol adapter for a personal computer that can connect a telephone.

Description

Internet Protocol (IP) Adapter Connectable from Telephone to PC (Personal Computer)}

The present invention relates to an Internet Protocol (IP) adapter of a personal computer (PC) to which a telephone can be connected, and more particularly, to a universal serial port (USB) of a personal computer. The present invention relates to an Internet protocol adapter of a personal computer capable of connecting a telephone which connects an internet protocol adapter between a telephone and a telephone, so that a telephone call can be made through the internet network.

In general, the public line switching network is used as the main switching network for local and long distance telephone networks.

However, with the development of internet technology, international calls using internet networks are increasing the proportion by making phone calls at low communication costs, and gradually the communication costs are also cheaper than those of existing public line switching networks. As it can provide, it is used in many parts.

In the above, the Internet is a data network connecting the world through communication, and the concept of the Internet is a Non-QoS (Non-QoS) that can provide a telephone service by transmitting data converted into an Internet protocol. of Service).

Hereinafter, with reference to the accompanying drawings, it will be described a dial-up system using the Internet network of the prior art.

As shown in Figure 1, the configuration of a dial-up system using the Internet of the prior art is as follows.

A switch 3 connected to the telephone 1 and a public switched telephone network (PSTN) 2 to perform circuit switching;

A gateway switch (Gateway Switch) 4 connected to the switch 3 to convert a signal of the public line switching network into an internet protocol, and converting a signal of the internet protocol into a signal of the public line switching network;

A router 6 connecting the gateway switch 4 with another Internet protocol network 9 in a remote area according to a routing protocol;

An Ethernet card (Ethernet Card) 5 for interfacing the gateway switch 4 and the router 6,

A gateway management device 7 which manages the gateway switching device 4 and provides an operation environment to a management database and an administrator;

An answering machine 8 is connected to the gateway management device 7 and provides an answering machine function.

The operation of the prior art made as described above is as follows.

The exchange 3 is connected to various telephones 1 via a public line switching network PSTN 2 to perform circuit switching.

The gateway switch 4 is a device for connecting the telephone network with the Internet. The gateway switch 4 is connected to the switch 3 to convert a signal of the public line switching network 2 into an Internet protocol, and converts a signal of the Internet protocol into a public line switching network 2. Is converted to the

The router 6 connects the gateway switch 4 with another Internet protocol network 9 in a remote area according to a routing protocol, and the Ethernet card 5 connects the gateway switch 4 and the router 6 with each other. Interface.

In addition, the gateway management apparatus 7 manages the gateway exchange apparatus 4, provides an operation environment to the management database and the administrator, and performs a routing function of finding an Internet gateway server.

The answering machine 8 is connected to the gateway management apparatus 7 to provide an answering machine function.

However, the service for the Voice Over Internet Protocol (VOIP) through the LAN is a method in which the entire exchanger 3 connects to the Internet through the gateway exchange apparatus 4, and is currently provided by a network company. However, there is a problem that cannot provide a telephone service by direct dial-up using a personal computer.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, by connecting an Internet Protocol adapter between the universal serial port of the personal computer and the telephone, to make a telephone call over the Internet network It is to provide an Internet Protocol adapter for a personal computer that can be connected.

1 is a block diagram applying a dial-up system using a prior art Internet network,

2 is a block diagram of an Internet protocol adapter of a personal computer to which a telephone can be connected according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10: telephone connection unit 20: voice signal processing unit

30 control unit 40 interface

11 telephone interface 12 encoder

31: central processing unit 32: storage unit

The present invention for achieving the above object is connected to a telephone and a personal computer in the adapter for providing a telephone call over the Internet network, the analog signal output from the telephone is received and encoded to convert the digital signal, the voice signal Telephone connection means including a coder for decoding a digital signal output from the processing means, converting the analog signal into an analog signal, and outputting the analog signal to the telephone; and a telephone interface for performing a data interface between the telephone and the encoder; Voice signal processing means for compressing and outputting the signal inputted from the telephone connection means and restoring the compression of the input signal through the reverse process thereof and outputting the compressed signal to the telephone connection means; compression and restoration function of the voice signal processing means; Control means for controlling the transmission function of the entire data, including; Provided is an Internet protocol adapter for a personal computer capable of connecting a telephone including an interface for connecting between the control means and the universal serial port of the personal computer to serve as a data interface.

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

As shown in Fig. 2, the configuration of the Internet protocol adapter of a personal computer that can connect a telephone according to an embodiment of the present invention is as follows.

In the adapter 100 for connecting a telephone and a personal computer to provide a telephone call over the Internet network,

A telephone connection unit 10 which receives an analog signal output from the telephone 200 and converts it into a digital signal, and converts the input digital signal into an analog signal and outputs the analog signal to the telephone;

A voice signal processing unit 20 for compressing the signal output from the telephone connection unit 20, and expanding the compression of the transmitted and transmitted signal to the telephone connection unit 10;

A controller 30 for controlling the compression of the voice signal processor 20 and controlling the overall data transmission function;

It is characterized in that it comprises an interface 40 for performing a role of a data interface by connecting between the control unit 30 and the universal serial port of the personal computer (300).

The telephone connection unit 10 is configured to receive an analog signal output from the telephone 200 and to convert the digital signal into a digital signal, and to decode the digital signal output from the voice signal processing unit 20 to convert it into an analog signal. The encoder 12 outputs to the telephone 200, and the telephone interface 11 for performing a data interface between the telephone 200 and the encoder 12.

The controller 30 is configured to control the compression of the voice signal processing unit 20 and to store data necessary for the operation of the central processing unit 31 and the central processing unit 31 to control the overall data transmission function. It consists of a memory device 30 for performing the operation.

Operation of the embodiment of the present invention made as described above is as follows.

The adapter 100 is connected between the phone 2 and the personal computer 300 to provide a telephone call function through the Internet network 400.

The encoder 12 of the telephone connection unit 10 receives an analog audio signal output from the phone 200, encodes it, converts it into a digital signal, and outputs it to the voice signal processing unit 20. From the voice signal processing unit 20, The digital signal to be output is received, decoded, and converted into an analog voice signal and output to the phone 200.

The telephone interface 11 of the telephone connection unit 10 connects between the telephone 200 and the encoder 12 to interface signals between the two devices.

The voice signal processing unit 20 compresses and outputs data having a transmission rate of 64 kilobits per second (Kbps) output from the encoder 12 of the telephone connection unit 20 in order to increase transmission efficiency, and the Internet network 400 It recovers the compressed signal transmitted and input through the) and converts the compressed signal into a signal having a transmission rate of 64 kilo BPS and outputs it to the telephone connection unit 10.

The controller 30 controls the compression operation of the voice signal processor 20 and controls the overall data transmission function such as performing data transfer between the personal computer 300 and the voice signal processor 20.

The interface 40 connects between the controller 30 and the universal serial port of the personal computer 300 to serve as a data interface.

Therefore, the data generated by the phone 200 and encoded and compressed through the adapter 100 is transmitted to the Internet network 400 through the personal computer 300, and the corresponding computer (not shown) in the Internet network 400 is shown. Call) may be connected to another telephone subscriber through a gateway exchange (not shown).

By doing the above, by attaching only an adapter to a personal computer, a telephone call can be made directly through the internet network using a telephone, and the telephone subscriber can independently make a long distance call even if the switch is not connected to the gate switching device for the Internet. Alternatively, the communication network of international calls can be selected as the Internet network, thereby reducing the communication fee.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, conversions, and modifications are possible within the scope without departing from the technical spirit of the present invention. It will be apparent to those who have knowledge.

Accordingly, the present invention operating as described above, by connecting the Internet protocol adapter between the universal serial port of the personal computer and the telephone, to make a telephone call over the Internet network, thereby performing a telephone call over the Internet network individually It can work.

Claims (2)

An adapter that connects between a telephone and a personal computer to provide a telephone call over an internet network. An encoder that receives an analog signal output from the telephone and encodes the converted analog signal into a digital signal, decodes the digital signal output from the voice signal processing means, converts the analog signal into an analog signal, and outputs the analog signal to the telephone, between the telephone and the encoder Telephone connection means having a telephone interface for performing a data interface; Voice signal processing means for compressing and outputting the signal inputted from said telephone connection means and restoring the compression of the input signal through the reverse process thereof and outputting it to said telephone connection means; Control means for controlling the transmission function of the entire data, including the compression and recovery functions of the audio signal processing means; And an interface for connecting as a data interface by connecting between the control means and the universal serial port of the personal computer. delete