KR100418350B1 - An Internet office telephone network system using public telephone using IC CARD - Google Patents

Abstract

The present invention relates to an Internet premises telephone network system using an electronic money public telephone that facilitates the customer's convenience without burdening operators. The Internet premises telephone network system using such an electronic money public telephone is constructed by using an internet network, and exchanges VOIP. An Internet telephone station equipped with equipment: an on-premises exchanger connected by said Internet telephone station and the Internet, for exchanging telephone calls in the premises; An internet trunk line switching device connected to the premises exchange line and the premises line and simultaneously connected to the premises exchange line by the internet phone station and the internet, and connected to the premises exchange line when connected to the premises, and connected to an internet phone station when out-of-town calls; And an electronic money public telephone connected to the Internet trunk line device and used as an internal telephone when the electronic money is not input, and making an out-of-town call through the Internet telephone station when the electronic money is input.

According to the present invention, a device capable of completely eliminating general telephone bills in public places can be applied to places where outsiders, such as rest rooms in hospitals and hotel companies, always use the telephone.

Description

An Internet office telephone network system using public telephone using IC CARD}

The present invention relates to an internet telephone switchboard, and more particularly, to an on-premises telephone network system using a public telephone apparatus for exchange.

Conventionally, in the premises exchange, only a telephone or a general telephone is used, which is limited according to the use grade.

Therefore, in order to prevent excessive spending of telephone bills, only local calls are allowed in places frequently used by the general people, such as hospital hospitals and hotel rooms.

In the existing premises exchange system, calls can be made even if a public line is used as a public telephone line and an extension is installed as a public telephone. Only the fee for opening an initial channel is countered, but not after that.

This is because the inverted signal, which is a public telephone bill transfer signal of a telecommunications service company such as Korea Telecom, cannot transmit the signal from the intermediary switchboard installed in the middle to the public telephone installed on the extension side.

1 illustrates an embodiment of a telephone network system using a conventional branch exchange system, and includes a city switch 110, a branch exchange 120, and an extension telephone 130, 140.

When making calls between extensions, press the corresponding number using the extension telephones (130,140).

When making an out-of-town call, press the dial number "9" in the extension telephones 130 and 140, and then press the corresponding number to make a call through the downtown exchange 110.

Figure 2 shows another embodiment of a telephone network system using a conventional branch exchange, it consists of a city switch 210, a branch exchange 220 and a public telephone (230, 240).

When making calls between extensions, a coin is put into the public telephones 230 and 240, and if a dial tone is heard from the premises exchange 230, the corresponding number is pressed.

When making an out-of-town call, a coin is put into a public telephone (230,240), and when a dial tone is heard from the premises exchange (220), pressing "9" and pressing the corresponding number, the call can be made through the city exchange (210).

1 and 2 have the following problems.

When making a call outside the city, there is no charge after the first opening of the call (current $ 50).

However, exchanges of operators such as KT continue to counter talk time. Therefore, the call charge is the same as using a regular telephone as charged by a company equipped with an internal exchange.

The technical problem to be achieved by the present invention is to provide an Internet premises telephone network system using an electronic money public telephone using the Internet line of the Internet telephone station in order to facilitate the customer's convenience without burdening operators.

1 illustrates an embodiment of a premises telephone network system using a conventional general telephone.

Figure 2 shows an embodiment of the premises telephone network system using a conventional public telephone.

Figure 3 shows an Internet premises telephone network system using an electronic money public telephone according to the present invention.

Figure 4 shows the internal configuration of the electronic money public telephone used in the present invention.

Figure 5 shows the internal structure of the Internet trunk line switching apparatus used in the present invention.

An on-premises telephone network system using an electronic money public telephone according to the present invention for solving the above technical problem is constructed by using an internet network, and includes an Internet telephone station having a VOIP switching equipment; An on-premises exchanger connected to the Internet telephone station and the Internet and exchanging a telephone in the premises; An internet trunk line switching device connected to the premises exchange line and the premises line, and simultaneously connected to the premises exchange line by the internet phone station and the Internet, and connected to the premises exchange line when connected to the premises telephone, and connected to the internet telephone station when out-of-town calls; And an electronic money public telephone connected to the Internet trunk line switching device and used as an internal telephone when the card is not input, and capable of making an out-of-city call when the card is input.

In addition, the Internet trunk line switching device is an internal telephone terminal connected to the internal telephone; An extension telephone control unit controlling the extension telephone terminal; A trunk line terminal connecting to the Internet to connect with the Internet telephone station switch; A trunk line control unit controlling the trunk line terminal; A switch terminal connected to the premises line for connecting with the premises exchange; An exchange controller which controls the exchange terminal; An inversion signal unit and an electronic money fare control unit that sends an inversion signal to the electronic money public telephone according to the public telephone fare system of the Internet telephone station; And a central processing unit for making a call by applying a control signal to any one of the trunk line side control unit and the exchange side control unit according to the ring tone of the local telephone.

In addition, the electronic money public telephone is a telephone capable of transmitting and receiving, a line interface for connecting to the Internet trunk line switching device; A card reader for reading a card in which a predetermined fee is stored; A card reader controller for transmitting data read from the card reader; A control unit which applies a signal to the trunk line switching device by a card input signal when the card is input to the card reader unit; And a central processing unit which receives the charge data input from the card reader control unit and processes the charge data during a call.

In addition, the electronic money public telephone is characterized in that it further comprises a display device for displaying the charge during the call.

In addition, the electronic money public telephone is characterized in that it further comprises a reverse signal unit for transmitting a reverse signal in accordance with the public telephone charge system of the Internet telephone station.

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

3 is a diagram illustrating an Internet premises telephone network system using an electronic money public telephone according to the present invention, and includes an Internet telephone station 310, a local exchange 320, an Internet trunk line switching device 330, an electronic money public telephone 340, 350, and the like. It consists of a city exchange 370.

The internet phone station 310 is a phone station established through the Internet network, and is called VOIP. Representative Internet phone service provider is Sarom Technology's dial pad. The internet network of each dial pad is constructed in the whole country and the whole country, and VOIP exchange equipment called gatekeeper is installed.

For example, if a VOIP subscriber in Seoul wants to call a friend in Busan, dial 051-xxx-xxxx, and the network will be routed from the Seoul Gateway to the Busan Gateway via the Internet, since the network of the Internet phone is established in Seoul and Busan. Busan Gateway does not have a local telephone network, so it connects to a friend's house via the local network of PSTN operators (Korea Telecom, Hanaro Telecom ....).

VOIP subscribers in Seoul pay only local calls between friends at Busan Gatekeepers when using VOIP telephones, rather than dialing 051-xxx-xxxx long distance telephones.

The Internet Telephone Station 310 has a profit model with a fee difference between the PSTN service provider and the PSTN service provider.

The city exchange 370 is used for incoming calls as a device that enables out-of-city calls.

The premises exchange 320 is connected by the city exchange 310 and the general telephone line, and exchange the telephone in the premises.

Internet trunk line switching device 330 is connected by the premises exchange 320 and the premises line, and at the same time connected by the Internet telephone station 310 and the Internet and connected to the premises exchange 320 during the premises telephone, Internet telephone station when out-of-town calls The device converts to be connected to the 310. The configuration of the Internet trunk line switching device 330 is shown in FIG.

The electronic money public telephones 340 and 350 are connected to the Internet trunk line telephone apparatus 330, and are used as premises telephones when a card is not input. The configuration of such card type public telephones 340 and 350 is shown in FIG.

When the handset 421 of the first electronic money payphone 340 is lifted, the ring tone of the branch exchange 320 can be heard even without inserting a card.

If you want to make an internal call to the first electronic money public telephone 340, press the extension number of the premises exchange 320.

The flow is the first electronic money public telephone 340-Internet trunk line switching device 330-premises line-premises exchange 320-premises circuit-Internet trunk line switching device 330-second electronic money pay phone 350 to be.

To call the external telephone 360 with the first electronic money payphone 340, pick up the handset of the first electronic money payphone 340, check the dial tone of the premises exchange 320, and check the first electronic money payphone. The premises line connected to the phone 340 is automatically switched to the Internet.

Therefore, when the first electronic money public telephone 340 presses the telephone number of the external subscriber 360 and makes a phone call, the public telephone bill of the Internet telephone station 310 is applied.

Figure 4 shows the internal configuration of the electronic money public telephone used in the present invention.

When the user lifts the handset 421, a hook off signal of the circuit is generated and transmitted to the controller 422. The DTMF decoder 423 generates a DTMF signal. If you want to make a local call, press the dial button 425 when you hear the switchboard ringing tone entering the line interface (426). The incoming call is notified by the ring detector 427 by operating the telephone ring and lamp.

To make an out-of-town call outside, insert the card into the card reader 428 and listen to the VOIP dial tone and press the dial button 425. At this time, the control unit 422 selects the trunk line by outputting the card input signal to the premises telephone side control unit 520 of FIG. The data read from the card reader control unit 429 displays the fee on the LCD 432. The control switch 430 controls additional service items such as redial and emergency communication.

The first inversion signal unit 433 receives the inversion signal sent from the Internet trunk line switching device 330 according to the public telephone charge system of the Internet telephone station. Therefore, the inversion signal is detected to reduce the charge due to the inversion signal.

The electronic money pay phones 340 and 350 used in the present invention are preferably telephones in which a part for recognizing a card and a part for displaying a fee are added to a general desk phone.

Figure 5 shows the internal structure of the Internet trunk line switching apparatus used in the present invention.

In the case of accessing the premises from the electronic money public telephones 340 and 350, the premises telephone terminal 530-the premises telephone side controller 520-the central processing unit 510-the exchange side controller 560-the exchange terminal 570 Connect.

When the card is inserted into the electronic money public telephones 340 and 350, the signal is output from the control unit 422 of FIG. 4, and the circuit is switched to the trunk line side control unit 540 to directly connect the Internet telephone station and the electronic money public telephones 340 and 350. Connect it.

When making a call between premises extensions (340 to 350), pick up the handset of the first electronic money pay phone 340 and check the dial tone and press the extension number of the second electronic money pay phone 350. In this case, the trunk line telephone apparatus 330 sends a signal to the premises exchange 320 to open a call to the second electronic money payphone 350.

When making an out-of-town call, pick up the handset 421 of the electronic money public telephone 340, check the dial tone, and insert a card to automatically disconnect the telephone line from the trunk line switching device 330 to the branch exchange 320 and the Internet telephone station 310 Select a line that is not in a call and connect to it. At this time, since the payphone signal of the telecommunication service provider is transmitted to the first electronic money payphone 340, money is counted in the user's card, so the operator (hospital, etc.) in which the exchange is installed is not charged.

If all of the VOIP lines are busy in the Internet trunk line switching device 330, when a card is inserted in the electronic money payphone (340, 350) to call outside the city, a busy tone is transmitted.

When the first electronic money public telephone 340 calls the second electronic money public telephone 350 on the premises line, if the second electronic money public telephone 350 selects the VOIP line and is busy, It happens.

At this time, when the second electronic money public telephone 350 is in communication with another premises phone, the first electronic money public telephone 340 transmits the busy tone from the premises exchange 320 as in the existing premises exchange.

When the telephone call is made, the second inversion signal unit 580 sends a reverse signal to the electronic money public telephone according to the public telephone bill system of the Internet telephone station, and the electronic money fare control unit 590 charges the public telephone bill of the internet telephone station. Process the charge of the electronic money according to the scheme.

Here, the electronic money rate control unit 590 will be described in more detail as follows.

Cards that are randomly purchased and used, such as KT payphone cards, can only be reduced by a certain amount of time on public phones (for example, 50 won for 3 minutes in the city, 50 won for 30 seconds, etc.). ...)

However, credit card or electronic money is linked to a bank account so that the user can reduce the rate at a certain time in public telephones. However, in the C.O.line device, the usage history of electronic money must be stored and transmitted to the Internet telephone station 310. You can later settle the call charges with the electronic money provider.

For example, Busan Hanaro Card is a transportation card and also has an electronic payment card function is now used in coffee vending machines. When the user uses the coffee as one card, the coffee machine transfers the PIN number and the amount of the read card to the card company through the Internet (or wireless).

The drawings and specification are merely exemplary of the invention, which are used for the purpose of illustrating the invention only and are not intended to limit the scope of the invention as defined in the appended claims or claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible from this. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

According to the present invention, a device capable of completely eliminating general telephone bills in public places can be applied to places where outsiders, such as rest rooms in hospitals and hotel companies, always use the telephone.

Claims (5)

In the premises exchange network system, An internet telephone station constructed using an internet network and equipped with a VOIP switching equipment; An on-premises exchanger connected to the Internet telephone station and the Internet and exchanging a telephone in the premises; An internet trunk line switching device connected to the premises exchange line and the premises line, and simultaneously connected to the premises exchange line by the internet phone station and the Internet, and connected to the premises exchange line when connected to the premises telephone, and connected to the internet telephone station when out-of-town calls; And Internet premises telephone network connected to the Internet trunk line switching device, if the card is not used as an internal telephone, and if the card is input includes an electronic money public telephone for making calls outside the city system. According to claim 1, wherein the Internet trunk line switching device An extension telephone terminal connected to the extension telephone; An extension telephone control unit controlling the extension telephone terminal; A trunk line terminal connecting to the Internet to connect with the Internet telephone station switch; A trunk line control unit controlling the trunk line terminal; A switch terminal connected to the premises line for connecting with the premises exchange; An exchange controller which controls the exchange terminal; A reversal signal unit for transmitting a reversal signal to an electronic money public telephone according to the public telephone charge system of the Internet telephone station; An electronic money fare control unit for processing the charge of the electronic money according to the public telephone fare system of the Internet telephone station; And Internet central telephone network system using an electronic money public telephone, characterized in that it comprises a central processing unit for making a call by applying a control signal to any one of the trunk line side control unit and the switch side control unit in accordance with the ring tone of the local telephone. . The method of claim 1, wherein the electronic money public telephone In a telephone capable of sending and receiving, A line interface connected to the Internet trunk line switching device; A card reader for reading a card in which a predetermined fee is stored; A card reader controller for transmitting data read from the card reader; A control unit which applies a signal to the trunk line switching device by a card input signal when the card is input to the card reader unit; And And a central processing unit for receiving the charge data input from the card reader control unit and processing the charge data during a call. According to claim 2, wherein the Internet trunk line switching device The Internet premises telephone network system using the electronic money public telephone, characterized in that for transmitting the details and usage fees of the electronic money used in the electronic money public telephone. The method of claim 3, wherein the electronic money public telephone And an inverted signal unit for transmitting an inverted signal according to the public telephone charge system of the internet telephone station.