KR200174770Y1 - Private automatic branch exchange by using internet network as leased line - Google Patents

Abstract

The present invention is to provide a simple private exchange using the Internet network as a dedicated line, the present invention comprises a simple private exchange having an S interface unit and S interface interface for performing the S0 interface in the PC to perform an exchange function; A PC having an S interface unit for performing an S0 interface with an S interface unit of the simplified private exchanger, and connected to an internet network through a gateway to perform an internet call; A gateway connecting the PC and the Internet network; It is composed of the internet network connected to each gateway, and can not only perform the exchange function using the internet network, but also the telephone fee is free or it can be applied to the local telephone rates in the region, thereby reducing the charges for long distance and international calls. It will be possible.

Description

Private automatic branch exchange by using internet network as leased line}

The present invention relates to a simple private exchange that uses an Internet network as a dedicated line, and particularly, a PC and a simple private exchange in an environment where an intranet is established. By connecting to ISDN (Integrated Services Digital Network) S0 interface, it is possible to connect to the local telephone and outside of the local area by using the Internet only from the extension of the private exchange while the PC is connected to the Internet. It is a simple private branch exchange that uses an Internet network as a private line, which can be performed as well as free of charge or applied to local local telephone charges, so that it is suitable for reducing local and international calls.

1 is a block diagram showing a connection form between a PC and a PC using a conventional Internet network.

Here, reference numeral 1 is a PC located in region A, 2 is a gateway connecting the PC (1) and the Internet network in the region, 3 is an Internet network, and 4 is a connection between the PC (5) in the region B and the Internet network. Is a gateway, and 5 is a PC located in the B region.

Therefore, in an environment where a LAN is constructed as shown in FIG. 1, only PC (1) (5) of each other area is composed, or PPP (Point to Point Protocol) connection from PC (1) (5). Is connected to the Internet 3.

Accordingly, in the related art, a PC (1) (5) using software capable of performing voice compression and packet transmission to enable PC to PC Internet calls from a PC (1) (5) capable of internet connection through a LAN or PPP connection. By using the speaker and the microphone, both PC (1) (5) are able to talk one-on-one with the Internet connected to each other.

However, the conventional technology has a problem that there is no exchange function because it is a one-to-one communication.

In addition, in the case of an Internet phone, there is a switch function, but because of the purpose of the business to receive a phone bill, there was a problem that the phone bill is expensive as a telephone fee.

In this regard, the present invention is proposed to solve the above-mentioned conventional problems, and an object of the present invention is to connect a PC and a simple private exchange with an ISDN S0 interface in an environment where an intranet is established, so that the PC is connected to the Internet. If you are in a private exchange, you can use the Internet only at the extension of the private exchanger to connect to the local telephone and outside of the local area to perform the exchange function using the Internet network. It is to provide a simple private exchange using a private line using the Internet network that can be applied to reduce long-distance and international calls.

1 is a block diagram showing a connection form between a PC and a PC using a conventional Internet network.

Figure 2 is a block diagram of a simple private exchange using the Internet network according to the present invention as a dedicated line.

Explanation of symbols on the main parts of the drawings

10, 70: simple private exchange 11, 21, 61, 71: S interface unit

20, 60: PC 30, 50: Gateway

40: Internet

In order to achieve the above object, a simple private exchange using the Internet network according to the present invention as a dedicated line,

A simple private exchange unit having an S interface unit in the PC and an S interface unit performing an S0 interface to perform an exchange function; A PC having an S interface unit for performing an S0 interface with an S interface unit of the simplified private exchanger, and connected to an internet network through a gateway to perform an internet call; The PC and the Internet A gateway to connect; The technical configuration is characterized by consisting of the Internet network connected to each of the gateways.

Hereinafter, an embodiment according to the technical idea of a simple private exchange using the present invention Internet network as a dedicated line as follows.

Figure 2 is a block diagram of a simple private exchange using the Internet network according to the present invention as a dedicated line.

As shown therein, the simple private exchanger 10 having the S interface unit 21 and the S interface unit 11 and 71 performing the S0 interface with the S interface unit 21 in the PC 20 or 60 performs the exchange function. 70); The S interface unit 11 and 71 of the simple private exchange 10 and 70 and the S interface unit 21 and 61 performing the S0 interface are provided, and the Internet network is provided through the gateway 30 and 50. PC 20 and 30 connected to the Internet call to be made; A gateway (30) (50) for connecting the PC (20) (30) and the Internet network (40); It is composed of an internet network 40 connected to each of the gateways 30 and 50.

Therefore, the configuration according to the present invention applies the one-to-one communication of the conventional PC-to-PC, as shown in FIG. 2, by installing the S0 interface units 21 and 61 on both PCs and the simple private exchanger 10 and 70. Connect to S0 interface. The PC is connected to the gateway by LAN and attached to the Internet network 40. For reference, the S0 interface is an ISDN BRI interface and is composed of 2B (128 Kbps) + 1D (16 Kbps).

Simple editorial using the Internet network according to the present invention configured as described above as a dedicated line The operation of the exchanger will be described in detail with reference to the accompanying drawings.

First, the present invention analyzes the D channel in the PC 20 (60) using 2B + 1D of the BRI (Basic Rate Interface) interface, which is a basic interface, and the B channel is connected to the Internet 40 through the ethernet. It is a form that connects to.

Therefore, the PC 20, 60 of the A region and the B region is connected to the mutual Internet 40, and each of the PBXs 10 and 70 is always connected to the B channel through the Internet 40. Will start from the connected state.

Accordingly, when the local subscriber of the area A occupies the trunk line to make an Internet call, the main processor of the area APAB 10 transmits a dial tone to the station occupying the trunk line and dials the extension. Is transmitted to the PC 20 via the DRI channel of the BRI, and the PC 20 transmits the D channel information to the BB through the PC 60 of the B region via packet communication (PABX) ( 70) analyzes the dial information, and if the call is an extension call, connects the corresponding B channel to the subscriber, and if the call is outgoing, occupies the corresponding call, and the DTMF (Dual Tone Multi Frequency) corresponding to the dial information. Internet call is made by exporting the tone and connecting the call.

As such, the present invention connects a PC and a simple private exchange to the ISDN S0 interface in an environment where an intranet is established, and uses the Internet dedicated at the extension of the private exchange while the PC is connected to the Internet. Connection is possible.

While the preferred embodiment of the present invention has been described above, the present invention may use various changes, modifications, and equivalents. It is clear that the present invention can be applied in the same manner by appropriately modifying the above embodiments. Therefore, the above description does not limit the scope of the present invention defined by the limits of the following utility model registration claims.

As described above, the simple private exchange using the Internet network according to the present invention as a dedicated line has a free effect of the call charges of the simple private exchange period connected through the S0 interface on the PC under the environment in which the web server is constructed.

In addition, the present invention, if you make a call through an external trunk line instead of an extension call in a counterpart area, only the local call fee of the corresponding area is charged, so that in case of international calls, the call rate can be significantly reduced.

In addition, the present invention was a one-to-one communication of the Internet call between the conventional PC, it is effective to have a switching function by interlocking the simple private exchange through the S0 interface.

Claims (2)

A simple private exchange unit having an S interface unit in the PC and an S interface unit performing an S0 interface to perform an exchange function; A PC having an S interface unit for performing an S0 interface with an S interface unit of the simplified private exchanger, and connected to an internet network through a gateway to perform an internet call; A gateway connecting the PC and the Internet network; Simple private exchange using a private line using the Internet network, characterized in that consisting of the Internet network connected to each gateway. According to claim 1, wherein the simple private exchange, When an extension subscriber of an area occupies a trunk line to make an Internet call, the simple private branch exchange of the area transmits a dial tone to the station occupied by the trunk line, transmits the information to the local PC, and transmits channel information from the PC. When the Internet is transmitted through a PC and transmitted to a simple private branch exchange in another region through the PC in another region, the simple private branch exchange in the other region may analyze dialing information. If the call is connected to the subscriber and outgoing Simple private branch exchange using the Internet network as a dedicated line, characterized in that to make the Internet call by connecting the call path by exporting DTMF tones corresponding to the dial information by occupying the corresponding CO line.