KR20110120719A - Converter system of interphone use for ip phone - Google Patents

Converter system of interphone use for ip phone Download PDF

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Publication number
KR20110120719A
KR20110120719A KR1020100040263A KR20100040263A KR20110120719A KR 20110120719 A KR20110120719 A KR 20110120719A KR 1020100040263 A KR1020100040263 A KR 1020100040263A KR 20100040263 A KR20100040263 A KR 20100040263A KR 20110120719 A KR20110120719 A KR 20110120719A
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KR
South Korea
Prior art keywords
voice signal
interphone
phone
converter
transmitting
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Application number
KR1020100040263A
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Korean (ko)
Inventor
권명훈
Original Assignee
주식회사 지앤디윈텍
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Priority to KR1020100040263A priority Critical patent/KR20110120719A/en
Publication of KR20110120719A publication Critical patent/KR20110120719A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42314—Systems providing special services or facilities to subscribers in private branch exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The present invention relates to a converter system, and more particularly, to an interphone for converting a voice signal generated from an interphone, an intercom, a walkie-talkie, a radio, or the like, into a digital signal and generating or receiving a voice signal. The present invention relates to a converter system that can be used as an IP phone such as a VoIP phone or a RoIP phone without replacing a terminal itself such as an existing interphone or a radio by connecting a call after assigning a virtual phone number.

Description

Converter system for IP phone use of interphone {CONVERTER SYSTEM OF INTERPHONE USE FOR IP PHONE}

The present invention relates to a converter system, and more particularly, to an interphone for converting a voice signal generated from an interphone, an intercom, a walkie-talkie, a radio, or the like, into a digital signal and generating or receiving a voice signal. The present invention relates to a converter system that can be used as an IP phone such as a VoIP phone or a RoIP phone without replacing a terminal itself such as an existing interphone or a radio by connecting a call after assigning a virtual phone number.

In general, an interphone or intercom is a wired telephone device used in various areas of a building and used for premises communication, and voice signals are transmitted / received between analog callers using an analog method, and a plurality of interphones or intercoms are connected to relay devices. The call was made by selecting a fixed identification number of each interphone or intercom.

In addition, the radio is a radio call device that allows voice calls between radio bearers who are separated from each other in the outdoors where radio signal transmission is less likely to be interrupted. Only through the voice signal was sent and received.

Such conventional interphones, intercoms or walkie-talkies (hereinafter referred to as interphones) have been planned and installed or provided for transmitting and receiving voice information in a limited area. Recently, various multimedia data as well as voice information can be transmitted and used. There is a problem that it is not easy to expand to IP phones (Internet Protocol Phone), which is an increasing new communication means.

Accordingly, when using an IP phone in a communication environment that has been conventionally constructed to use an interphone, it is difficult to change a relay device that connects each other, such as a plurality of interphones, and Internet-based communication to be changed. Since it is necessary to replace all the interphones with a new VoIP phone or a RoIP phone that can transmit and receive data such as voice in the environment, the replacement cost of interphones is very expensive, and the connection facilities between the replaced interphones and the relay devices must be completely replaced. There was a problem that the cost is also greatly increased.

As such, in order to apply the internet-based communication environment to outdoor construction sites using old buildings or walkie-talkies, the burden of replacement and facility construction costs is greatly delayed or abandoned, and thus, it can be obtained in the internet-based communication environment. There was a problem in not enjoying the many advantages that are at all.

The problem to be solved by the present invention is to simply add the IP phone conversion unit to the communication equipment used in existing buildings, etc. to simply convert the voice signal generated from the existing interphone, etc. into a digital signal, to generate or receive the voice signal By assigning a virtual phone number to an interphone, it is possible to connect a call between each interphone, a radio, or an interphone and a conventional IP phone, and to exchange voice information or data, and to use an existing interphone as an IP phone without replacing the interphone. The present invention provides a converter system for using an IP phone of an interphone.

Converter system for using the IP phone of the intercom for achieving the above object, the interphone installed for the purpose of transmitting and receiving voice signals; A voice signal converter for converting an analog voice signal transmitted from the interphone into a digital method; An IP phone converter for allocating a virtual telephone number to the interphone for transmitting the digitally converted voice signal; A VoIP CPU for transmitting the voice signal digitally converted by the voice signal conversion unit by using a virtual telephone number assigned by the IP phone conversion unit as a caller; A communication network transmitting a voice signal transmitted from the VoIP CPU; And a telephone exchange which transmits the voice signal received through the communication network to another interphone to be called.

In this case, the voice signal conversion unit is composed of an A / D converter for converting an analog voice signal to a digital method, one end is connected to the interphone for generating and transmitting the voice signal, the slick (SLIC) provided in the VoIP CPU It is preferable that the other end is connected to the configuration.

The IP phone conversion unit may include a radio interface for forming a communication path between radios through a wireless communication network; An interphone interface for forming a communication path between interphones through a wired communication network; A PSTN interface forming a communication path through a general public telephone network (PSTN); A virtual telephone number assignment unit for assigning a virtual telephone number to a radio and an interphone for transmitting and receiving a voice signal; A control unit controlling an operation of the virtual telephone number assignment unit; And a channel selector for selecting an interface for forming a communication path for transmitting and receiving the voice signal.

In addition, the VoIP CPU is composed of a microcontroller for matching the virtual telephone number to the voice signal of the digitally converted interphone; User space, which is a general application area for use as an IP phone, Kernel Space, which is an area where operating system related programs and a number of device drivers are installed, a plurality of slicks consisting of a line interface circuit in a telephone switchboard, And a DAA which detects the reception sensitivity of the radio signal received in the channel and determines whether communication is possible through each channel.

The present invention is to install the IP phone conversion unit in the existing communication facilities to be used as an IP phone without replacing the terminal such as the existing interphone, the terminal replacement cost and facility construction required to build the IP phone using environment There is an advantage that can significantly reduce the cost.

In addition, the present invention has the advantage that by minimizing the cost required to build the IP phone using environment, more users can experience the advantages of the IP phone cheaply and easily to increase the production efficiency of the work and reduce the communication cost .

1 is an overall configuration diagram of a converter system for using an IP phone of the intercom according to the present invention.
Figure 2 is a block diagram illustrating the IP phone conversion unit in the converter system for using the IP phone of the intercom according to the present invention.
Figure 3 is a block diagram schematically showing the configuration of the IP phone conversion unit and VoIP according to the present invention.
Figure 4 is an illustration showing the use of the radio as an IP phone in accordance with the present invention.
5 is an exemplary view showing the use of an interphone as an IP phone according to the present invention.

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

1 is an overall configuration diagram of a converter system for using an IP phone of the intercom according to the present invention, FIG. 2 is a block diagram illustrating an IP phone conversion unit in the converter system for using an IP phone of the intercom according to the present invention. 3 is a block diagram schematically illustrating the configuration of an IP phone converter and a VoIP CPU according to the present invention.

Referring to FIG. 1, a converter system for using an IP phone of an interphone according to the present invention is an interphone 10 installed for transmitting and receiving a voice signal in a limited area, and an analog voice signal transmitted from the interphone. Voice signal converter 100 for converting the voice signal, IP phone converter 200 for allocating a virtual phone number to the interphone for transmitting the digitally converted voice signal, and digital signal conversion in the voice signal converter VoIP CPU 300 for transmitting the voice signal assigned by the IP phone conversion unit as a caller, a communication network 400 for transmitting the voice signal transmitted from the VoIP CPU, and receiving through the communication network. It is configured to include a telephone exchange 500 for transmitting one voice signal to another interphone to be called.

In this case, the voice signal converter 100 for digitally converting the voice signal generated by the intercom and the IP phone converter 200 for allocating a virtual phone number by the control data transmitted from the interphone are connected to the IP phone. It is a gateway to convert to use.

The interphone 10 is a communication device used while transmitting a voice signal to be transmitted in an analog manner, and not only an intercom 10 or an intercom, which is a conventional wired communication device, but also a specific frequency is common among people who are separated from the outdoor space. It is configured to include a radio 20 which is a wireless communication device capable of transmitting a voice signal wirelessly after setting to.

According to the present invention, it is possible to use a conventional analog interphone or the like as an IP phone. The interphone 10, the intercom, and the transceiver 20 are not IP phones that can transmit voice signals using the Internet. It is preferable that the interphone and the like. Hereinafter, the interphone is used to refer to a general telephone other than an IP phone such as the intercom and the transceiver, except when specifically referring to the radio.

The voice signal converter 100 converts an analog voice signal generated by the intercom for a call and then transmitted to an IP / PBX, which is a private telephone exchange, to a digital method applied to data transmission / reception on an IP phone. / D converter, one end is connected to the interphone 10 for generating and transmitting the voice signal, the other end is provided in the VoIP CPU to transmit the digital voice signal transmitted from the interphone to the VoIP CPU Is configured to be connected to the slick (SLIC) (330).

The slick 330 may be provided with up to 16 inter-phones as a line interface between subscribers, and the number of the slicks 330 may be further increased as the telephone exchange is improved and developed.

In addition, the voice signal converter 100 receives not only the voice signal transmitted from the interphone, but also control data such as a unique identification number of the corresponding interphone or the transceiver itself, and a unique identification number of another interphone to be called. It is preferable that the data transmission unit 110 further comprises.

At this time, the data transmission unit 110 is connected to the IP phone conversion unit 200, one end is connected to select the appropriate interface for the control data, and give a virtual telephone number to the intercom or radio. RS-232 port connected to the interphone 10 or the transceiver 20 or to the voice signal converter 100 is configured to transmit control data generated from the interphone to the IP converter.

The IP phone converter 200 assigns a virtual phone number to each of the intercom of the caller side transmitting the voice signal and the interphone of the receiver side receiving the transmitted voice signal so that a normal intercom can be used as an IP phone. As a conversion, one end is connected to the data transmission unit 110 to receive the control data.

2 and 3, the IP phone converter 200 forms a radio interface 210 for forming a communication path between radios through a wireless communication network and a communication path between interphones through a wired communication network. The intercom interface 220, the PSTN interface 230 forming a communication path through a general public telephone network (PSTN), and a virtual phone number allocator 240 for assigning a virtual phone number to a radio and an interphone for transmitting a voice signal. ), A controller for controlling the operation of the virtual telephone number assignment unit, and a channel selector 250 for selecting an interface for forming a communication path for transmitting and receiving voice signals.

At this time, the radio interface 210 receives a push signal of a transmission button transmitted through the data transmission unit so that a PTT (Push To Talk) control is performed in which a voice signal is transmitted only when a transmission button is pressed in the radio. And to form a communication path with the.

In addition, the interphone interface 220 and the PSTN interface 230 receive control data transmitted through the data transmission unit so that a unique identification number set internally for recognizing each interphone can be recognized by a relay device that is already installed. Receive and form a communication path with a telephone connected to another interphone or PSTN network.

Preferably, the radio interface, the intercom interface, and the PSTN interface are configured to operate using control data transmitted through the data transmission unit so as to form a suitable communication path.

The virtual telephone number assignment unit 240 is configured to allocate and assign virtual telephone numbers to the radio and the interphone, respectively, which are connected to the radio interface and the intercom interface so that the radio and the interphone can be used as VoIP or RoIP.

Accordingly, the virtual phone number assignment unit 240 receives the pressing signal of the transmission button by the control data transmitted through the radio interface to give a virtual phone number for the radio to form a communication path in the radio period. .

In addition, the virtual phone number assignment unit 240 receives a unique identification number of the interphone by the control data transmitted through the intercom interface to give a virtual telephone number for the interphone to form a communication path between interphones.

The controller 250 is configured as a controller that can control the overall operation of the IP phone converter, such as receiving control data and assigning a virtual phone number.

In addition, the IP phone converter 200 is a DSP (Digital Signal Processor) (270) for processing digital signals, such as control data transmitted through the data transmission unit 110 or a control signal generated by the controller, and noise And a memory 290 including a noise filter 280 capable of removing the noise filter and a SDram or a flash memory in which a driving program of an IP phone converter or the like is stored or a virtual telephone number assigned to each radio or interphone is stored. It can be configured.

The VoIP CPU 300 receives the voice signal and the virtual phone number of the interphone, which is converted into a signal generated from the IP phone by digitally converting the voice signal generated from the interphone and assigning a virtual phone number by the control data. It consists of a microcontroller that controls to send to.

The VoIP CPU 300 includes a user space 310 which is a general application area for use as an IP phone, a kernel space 320 which is an area in which operating system related programs and a plurality of device drivers are installed, and a telephone exchange. A plurality of subscriber line interface circuits (SLICs) 330 composed of line interface circuits and DAA (Detection And Avoid) for detecting the reception sensitivity of radio signals received from a plurality of channels and determining whether communication is possible through each channel. 340 is configured to include. At this time, the slick 330 is connected to the voice signal conversion unit 100 to receive the voice signal of the digital intercom or walkie-talkie.

As such, the VoIP CPU 300 can use an interphone or a radio as an IP phone by matching the digital voice signal transmitted from the voice signal converter to the virtual phone number transmitted from the IP phone converter. .

The communication network 400 is composed of a conventional wired or wireless communication network that transmits a voice signal matched with a virtual telephone number in the VoIP CPU to a telephone exchange.

The telephone exchange (IP / PBX) 500 is a switch for transmitting a voice signal received through a communication network to another intercom or a walkie-talkie. It is configured to transmit data, and it is configured as a server that is connected to a public public telephone network (PSTN) through a voice gateway to make a call.

Next will be described the operation of the converter system for using the IP phone of the intercom according to the present invention configured as described above.

4 is an exemplary view showing the use of an interphone as an IP phone according to the present invention, Figure 5 is an exemplary view showing using a radio as an IP phone according to the present invention.

Referring to FIGS. 4 and 5, when the user presses the transmit button on the radio 20 to make a call and transmits a voice signal and speaks or speaks into the microphone of the interphone 10, the voice signal is transmitted to the radio and the interphone. An analog voice signal is generated by the built-in microphone system.

The analog voice signal generated by the radio and the interphone is converted into a digital voice signal by the voice signal converter 100 and then transmitted to the slick 330 provided in the VoIP CPU.

Then, the control data generated by pressing the transmit button in the radio 20 and the control data generated in the interphone 10 is transmitted to the IP phone converter 200, the IP phone converter receiving the control data 200 assigns a virtual phone number to the radio and the interphone transmitting the control data, and transmits the virtual phone number to the VoIP CPU to match the voice signal digitally converted by the voice signal converter.

Accordingly, the VoIP CPU recognizes the voice signal transmitted from the radio or the interphone as a digital voice signal transmitted from the IP phone having the virtual phone number, so that the VoIP CPU can be used as an IP phone without replacing the radio or the interphone. .

As such, the voice signal matched with the virtual telephone number is transmitted to another radio through a wireless communication network to transmit and receive a voice signal. In the case of an interphone, the voice signal matched with the virtual telephone number is transmitted through the telephone exchange 500. The call can be connected to another VoIP phone in the remote area, or a public analog telephone in the remote area can be used by using a public telephone network (PSTN).

Accordingly, the present invention converts a voice signal into a digital method and assigns a virtual telephone number to an interphone which generates a voice signal, beyond the conventionally being able to talk only between interphones, thereby transferring the conventional interphone to a telephone exchange (IP / PBX). It can be registered and used like a normal VoIP phone or RoIP phone. The interphone can be connected to an external public telephone network (PSTN), an IP phone, or a general analog phone.

In addition, it is possible to communicate only through a certain frequency within a limited range, and the signal generated from the radio travels on the Internet line as it moves beyond the radio limit, which is difficult to use in areas where buildings that impede the movement of radio waves are concentrated. You can have a conversation. And, if you have multiple radios, you will be able to talk to the radio you want.

In the above description, the technical idea of the present invention has been described with the accompanying drawings. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the scope of the present invention.

10-Intercom 20-Radio
100-voice signal conversion unit 110-data transmission unit
200-IP Phone Converter 210-Radio Interface
220-Intercom interface 230-PSTN interface
240-virtual phone number assignment unit 250-control unit
260-Channel selector 300-VoIP CPU
330-Slick 400-Network
500-telephone exchange

Claims (7)

An interphone installed for the purpose of transmitting and receiving voice signals;
A voice signal converter for converting an analog voice signal transmitted from the interphone into a digital method;
An IP phone converter for allocating a virtual telephone number to the interphone for transmitting the digitally converted voice signal;
A VoIP CPU for transmitting the voice signal digitally converted by the voice signal conversion unit by using a virtual telephone number assigned by the IP phone conversion unit as a caller;
A communication network transmitting a voice signal transmitted from the VoIP CPU; And
And a telephone exchanger for transmitting the voice signal received through the communication network to another interphone to be called. The method of claim 1,
The voice signal converter comprises an A / D converter for converting an analog voice signal to a digital one, and has one end connected to an interphone for generating and transmitting the voice signal, and to a slick provided in the VoIP CPU. Converter system for using the IP phone of the intercom, characterized in that the other end is connected. The method of claim 2,
The voice signal conversion unit may further include a data transmission unit for receiving control data such as a unique identification number of the interphone itself, a unique identification number of another interphone to be called, and a transmission button press signal of the radio. Converter system for the use of IP phones of the intercom. The method of claim 3,
The data transmission unit has one end connected to the IP phone converter and the other end connected to the intercom or a walkie-talkie or the voice signal converter to select an interface suitable for the control data and to assign a virtual telephone number. The converter system for using the IP phone of the intercom, characterized in that consisting of 232 ports. The method according to any one of claims 1 to 4,
The IP phone conversion unit,
A radio interface for forming a communication path between radios through a wireless communication network;
An interphone interface for forming a communication path between interphones through a wired communication network;
A PSTN interface forming a communication path through a general public telephone network (PSTN);
A virtual telephone number assignment unit for assigning a virtual telephone number to a radio and an interphone for transmitting and receiving a voice signal;
A control unit controlling an operation of the virtual telephone number assignment unit; And
And a channel selector for selecting an interface for forming a communication path for transmitting and receiving the voice signal. The method of claim 5,
The VoIP CPU comprises a microcontroller for matching a virtual telephone number to a voice signal of a digitally converted interphone;
User space, which is a general application area for use as an IP phone, Kernel Space, which is an area where operating system related programs and a number of device drivers are installed, a plurality of slicks consisting of a line interface circuit in a telephone switchboard, A converter system for using an IP phone of an intercom, characterized in that it comprises a DAA for detecting the reception sensitivity of the radio signal received in the channel to determine whether communication through each channel. The method of claim 6,
The telephone exchange is a converter system for using the IP phone of the intercom, characterized in that the server is connected to the public public telephone network (PSTN) via a voice gateway (Voice Gateway).
KR1020100040263A 2010-04-29 2010-04-29 Converter system of interphone use for ip phone KR20110120719A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160143184A (en) * 2015-06-04 2016-12-14 주식회사 아이엠피티티 ROIP gateway device
KR20190107489A (en) * 2018-03-12 2019-09-20 세인트로그 주식회사 Voice data management system using wireless communication
CN110392018A (en) * 2018-04-18 2019-10-29 北京视联动力国际信息技术有限公司 A kind of communication means and system of intercom
KR102697997B1 (en) 2023-04-17 2024-08-21 김승례 Hybrid interphone system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160143184A (en) * 2015-06-04 2016-12-14 주식회사 아이엠피티티 ROIP gateway device
KR20190107489A (en) * 2018-03-12 2019-09-20 세인트로그 주식회사 Voice data management system using wireless communication
CN110392018A (en) * 2018-04-18 2019-10-29 北京视联动力国际信息技术有限公司 A kind of communication means and system of intercom
KR102697997B1 (en) 2023-04-17 2024-08-21 김승례 Hybrid interphone system

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