KR20030014920A - Telephone communication system using public wireless communication network - Google Patents

Abstract

PURPOSE: A telephone communication system using a common wireless communication network is provided to embody a wired telephone at a low cost using a wireless communication network in a limited region such as an island and a mountain village in which it is difficult to install a wired telephone network. CONSTITUTION: A router(600) is installed in a limited region, and a plurality of general telephones(700) in the limited region connect to the router(600). The router(600) transmits and receives electronic signals with a VoIP(Voice over Internet Protocol) gateway(400) of a telephone office located in an adjacent general region through a wireless communication network(500). The VoIP gateway(400) connects to a telephone switch(300) of the telephone office, and the telephone switch(300) connects to a plurality of general telephones(100) through a PSTN(Public Switched Telephone Network)(200).

Description

Telephony communication system using public wireless communication network

The present invention relates to a telephony communication system, and more particularly, to a telephony communication system using a wireless communication network in a limited area such as an island or a mountain village where it is difficult to install a wired telephone network.

In general, the most important means of communication in everyday life will be the telephone. Telephones are very important for talking to distant family, friends and business calls.

In recent years, the rapid spread of wireless telephones has made the network infrastructure stable, thus making it easy to make calls even in areas without wired telephones.

However, wireless telephones are expensive because of high service costs and poor call quality. If there is a landline telephone, the landline telephone is used first, and it is still unfamiliar to the older generation of rural people who are lagging behind in information.

A landline telephone is used as a basic telephone for the family as there is one in each house, but it has a limitation that a telephone network must be installed for service, so it is distributed in remote areas such as islands and mountain villages, which still require a great installation cost. Many areas are not.

The present invention has been made in view of the above, and an object of the present invention is to provide a telephony communication system for implementing landline telephones at low cost by using a wireless communication network in a limited area such as an island or a mountain village where it is difficult to install a wireline telephone network. have.

Other objects and advantages of the invention will be described below and will be appreciated by the practice of the invention. Furthermore, the objects and advantages of the present invention can be realized by means and combinations indicated in the appended claims.

The following drawings, which are attached to this specification, illustrate exemplary embodiments of the present invention, and together with the detailed description of the present invention, serve to further understand the technical spirit of the present invention. It should not be construed as limited to.

1 is a block diagram of a telephone communication system using a public wireless communication network according to the present invention.

<Description of main reference numerals in the drawings>

100, 700: Phone 200: Public telephone network (PSTN)

300: telephone exchange 400: VoIP gateway

500: wireless communication network 600: router

Telephony communication system using a common wireless communication network according to the present invention for achieving the above object is limited to implement a wireline telephone using a wireless communication network in a limited area, such as islands, mountain villages difficult to install a wired telephone network, A router 600 is installed in the area, and the router 600 is connected to a plurality of ordinary telephones 700 in a limited area, and the router 600 is connected to a telephone station located in a general area in close proximity through the wireless communication network 500. Send and receive electronic signals with the VoIP gateway 400, the VoIP gateway 400 is connected to the telephone exchange 300 of the telephone company, the telephone exchange 300 is a plurality of general telephones (100) through the public telephone network (200) It is made up of

Preferably, the VoIP gateway 400 compresses the voice signal coming from the public telephone network 200, converts the voice signal into an electronic signal, and transmits it to a specific router having a unique ID (number) through the wireless communication network 500. Decompresses the compressed electronic signal transmitted from the router 600 through the wireless communication network 500, converts the compressed electronic signal into a voice signal, and transmits it to the public telephone network 200.

In addition, the router 600 decompresses the compressed electronic signal transmitted from the VoIP gateway 400 through the wireless communication network 500, converts the compressed electronic signal into a voice signal, and transmits it to a specific telephone 700 having a unique ID (number). In addition, it performs a function of compressing the voice signal coming from the connected phone 700, converts it into an electronic signal, and transmits it to the VoIP gateway 400 of the telephone station through the wireless communication network 500.

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

Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to explain their invention in the best way. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

1 is a diagram showing the configuration of a telephone communication system using a public wireless communication network according to the present invention.

The telephony system includes a general telephone 100, a public switched telephone network (PSTN) 200, a telephone exchange 300, a voice over internet protocol gate way 400, public wireless The communication network 500, a router 600, and a plurality of general telephones 700 connected to the router are configured.

The telephones 100 and 700 are conventional landline telephones having a handset, a handset, a button panel and represented by a specific telephone number.

The public telephone network (PSTN) 200 is a wired commercial telephone network that transmits analog voice signals in a circuit-switched manner.

Telephone exchange 300 is a system installed at telephone stations in each region to handle call connections to connected telephones in the region, and each telephone exchange 300 is represented as a specific number (ID).

The VoIP gateway 400 is installed in the telephone company together with the telephone exchange 300 to compress a voice signal coming from the public telephone network 200 into an electronic signal, and to have a specific router having a unique ID through the wireless communication network 500. On the contrary, as a server computer system that decompresses the compressed electronic signal transmitted from the router 500 through the wireless communication network 500, converts it into a voice signal, and transmits it to the public telephone network 200, the routers 600. It is provided with a database that stores a unique ID (number).

The wireless communication network 500 is a use network such as Global System for Mobile Communication (GSM), Code-Division Multiple Access (CDMA), Trunked Radio System (TRS), and the like, and transmits signals through the air.

The router 600 decompresses the compressed electronic signal transmitted from the VoIP gateway 400 through the wireless communication network 500, converts the compressed electronic signal into a voice signal, and transmits it to a specific telephone 700 having a unique ID (number). On the contrary, the device converts the voice signal from the connected telephone 700 into an electronic signal and transmits it to the VoIP gateway 400 of the adjacent telephone station through the wireless communication network 500. Manage ID (number).

The present invention is mainly useful in an area where wireline telephone network is difficult to be installed, for example, an island, where a router 600 is provided for each island, and wired telephones 700 in the island are installed in the router 600. Can be connected.

Each router 600 has a unique ID (number), and the telephones 700 connected to each router 600 also have their respective IDs (numbers) so that calls to the telephone 700 having a specific telephone number are available. Connection is possible.

This is because the telephone exchange 300 of each region has a unique ID (number), and each telephone 100 connected to the telephone 100 has a unique ID (number), so that the telephone 100 has a specific telephone number. Call connection is the same as realized.

Hereinafter, a brief description will be given of how a landline telephone is implemented in a limited area such as an island by using the above-described telephone communication system.

If the caller uses the telephone 100 to call the telephone number of a particular recipient telephone 700 that is connected to the router 600, the telephone is called through the public telephone network 200 and the telephone exchange 300 in various locations. The caller's voice signal is received by the VoIP gateway 400, which is transmitted to the telephone exchange 300 of the telephone company in charge of the area.

The VoIP gateway 400 compresses the transmitted voice signal into an electronic signal, and transmits the converted electronic signal to the corresponding router 600 having a specific ID (number) through the wireless communication network 500.

The transmitted electronic signal is received by the corresponding router 600, the router 600 decompresses the received electronic signal and converts it into a voice signal, and converts the converted voice signal into a receiver telephone 700 having a specific ID (number). By transmitting to the receiver, the receiver will listen to the transmitted voice through the phone 700.

The above description describes a case in which a telephone connection is made from the telephone 100 connected to the public telephone network 200 to the telephone 700 connected to the router 600. On the contrary, the public telephone network is connected from the telephone 700 connected to the router 600. A telephone connection process to the telephone 100 connected to 200 will be described next.

If the caller uses the telephone 700 to call the telephone number of a specific recipient telephone 100 connected to the public telephone network 200, the telephone is transmitted to the router 600 connected to the telephone 700, and the router ( 600 compresses the transmitted caller's voice signal to an electronic signal, and transmits the converted electronic signal to the VoIP gateway 400 of the corresponding telephone station through the wireless communication network 500.

The VoIP gateway 400 decompresses the transmitted electronic signal, converts it into a voice signal, and transmits the converted voice signal to the telephone exchange 300, which is then in charge of the receiver region through the public telephone network 200 and the telephone exchange 300 in various regions. To the telephone exchange 300 of the telephone company.

The voice signal transmitted to the telephone exchange 300 of the corresponding telephone station is transmitted to the corresponding receiver telephone 100 having a specific ID (number), whereby the receiver listens to the voice through the telephone 100.

Although briefly described above, the telephone connection from the telephone 700 connected to the router 600 to the telephone 710 connected to the other router 610 and the telephone connection between the telephone 700 connected to the same router 610 are also described above. It can be implemented through.

As mentioned above, although this invention was demonstrated by the limited embodiment and drawing, this invention is not limited by this, The person of ordinary skill in the art to which this invention belongs, Of course, various modifications and variations are possible within the scope of equivalent claims.

According to the telephone communication system using the public wireless communication network of the present invention, by solving the limitations of the conventional wired telephone network by using the spatial and geographical advantages of the wireless communication, landline telephones at a low cost even in limited areas such as islands and mountain villages. It is possible to improve the convenience of local people by implementing the system, and to provide communication service at much lower cost by realizing multiple calls at once using VoIP technology that compresses voice electronically. It is effective to maximize.

Claims (3)

In order to implement a landline telephone using a wireless communication network in a limited area such as an island or a mountain village where it is difficult to install a landline telephone network, Install a router 600 in the marginal area, connect a plurality of ordinary telephones 700 in the marginal area to the router 600, The router 600 transmits and receives an electronic signal with a VoIP gateway 400 of a telephone station located in a general area in close proximity via a wireless communication network 500, The VoIP gateway 400 is connected to a telephone exchange 300 of a telephone company, the telephone exchange 300 is a public, characterized in that consisting of a configuration that is connected to a plurality of general telephones 100 through a public telephone network (200) Telephony system using wireless communication network. The method of claim 1, The VoIP gateway 400 compresses the voice signal coming from the public telephone network 200, converts it into an electronic signal, and transmits it to a specific router having a unique ID (number) through the wireless communication network 500. Decompressing the compressed electronic signal transmitted from the router 600 through the 500 to convert the voice signal into a voice signal and transmits it to the public telephone network (200). The method of claim 1, The router 600 decompresses the compressed electronic signal transmitted from the VoIP gateway 400 through the wireless communication network 500, converts the compressed electronic signal into a voice signal, and transmits it to a specific telephone 700 having a unique ID (number). In addition, the voice signal from the connected telephone 700 is compressed and converted into an electronic signal, and transmits to the VoIP gateway 400 of the telephone company through the wireless communication network 500. Telephony systems.