KR100532596B1 - a transmitting and receiving Apparatus and method by uniting voice and data among system by using digital Trunk - Google Patents

Abstract

The present invention relates to an apparatus and method for transmitting and receiving between systems (exchangers, etc.) using a digital trunk, and in particular, the data for voice communication and the data for data communication are multiplexed in the digital trunk board part of the system. Framing the time slot of the frame and transmitting it to the counterpart system through the digital trunk, and the counterpart system deframes the received frame and sends the digital trunk to the voice processing unit and data matching unit of the receiving system to enable transmission and reception between subscribers of each system. The present invention relates to an integrated voice / data transmission / reception system and a method therefor.

The constituent means of the transmitting and receiving device for achieving the above-described present invention, the first system and the second system and a voice processing unit for processing a voice signal for voice communication using a digital trunk with each other; A data matching unit for processing a data signal so that the first system and the second system communicate with each other using digital trunks; Receives data for voice communication and data for data communication from the voice processing unit and the data matching unit, respectively, and integrates the data using a digital trunk and delivers the data to the counterpart system, or integrates and receives the digital trunk from the counterpart system. And a digital trunk board for transmitting the data for voice communication and data for data communication to the voice processor and the data matching unit, respectively. Transmitting the processed PCM data and the data channelized by the data matching unit to the digital trunk board of the system; A second step of framing the two data in a time slot separated in a frame through a framer by multiplexing the data transmitted from the voice processing unit inputted to the digital trunk board unit and the data transmitted from the data matching unit in the mux / demux unit; ; Transmitting a frame carrying data integrated by the framing to a counterpart system via a digital trunk via a line interface; A frame received by the counterpart system through the digital trunk is passed through a line interface unit, and then deframed into PCM data processed by the voice processing unit of the system transmitting the frame and data channelized by the data matching unit; ; The two deframed data are transmitted to the voice processing unit of the counterpart system through the demux, and the channelized data is transferred to the data matching unit of the counterpart system to provide voice between voice / data subscribers connected to the respective systems. / 5 steps to transmit and receive data; characterized in that comprises a.

Description

Integrated transmitting / receiving device and method using a digital trunk {a transmitting and receiving Apparatus and method by uniting voice and data among system by using digital Trunk}

The present invention relates to an apparatus and method for transmitting and receiving between systems (exchangers, etc.) using a digital trunk, and in particular, the data for voice communication and data for data communication are multiplexed in the digital trunk board part of the system, Framing the time slot of the frame and transmitting it to the counterpart system through the digital trunk, and the counterpart system deframes the received frame and sends the digital trunk to the voice processing unit and data matching unit of the receiving system to enable transmission and reception between subscribers of each system. The present invention relates to an integrated voice / data transmission / reception system and a method therefor.

In the case of the conventional voice communication, the transmission and reception between the systems is configured by using new technologies such as E1 / T1 or two-four-wire solid lines between systems (exchangers, etc.) using digital trunks, while forming a data network for data communication. Rather than being configured through interworking between systems like voice communication, each LAN switch and router are formed and connected to each other in the Internet.

Hereinafter, an operation configuration and an embodiment of the conventional voice communication and data communication will be described in detail with reference to FIG. 1, which shows an understanding of transmission and reception between systems using a conventional digital trunk.

As shown in Fig. 1, a first system (e.g., a first exchange) 10 is connected to a voice subscriber 3, a data subscriber 1 and an internet network 5, and a second system (e.g. a second exchange). 20, a voice subscriber 4, a data subscriber 2, an internet network 6, and a PSTN network 7 are connected, and the systems are connected by digital trunks (C).

In the system and network configuration having the above configuration, when the voice subscriber 3 of the first system 10 wants to make a call to the PSTN subscriber 7 connected to the second system 20, When the voice subscriber 3 of the first system 10 connects to the first system 10 (d), the first system 10 is connected to the second system 20 via a digital trunk for system interworking. And PSTN network 7 connected to the PSTN network 7 through the PSTN interface in the second system and connected to the voice subscriber 3 and the second system 20 of the first system 10. Voice call with).

When data communication is to be performed in a configuration in which digital trunks are connected between systems, the data subscriber 1 of the first system 10 accesses the first system and connects to the first system. 5) is connected to the data communication, the data subscriber 2 of the second system 20 is connected to the second system and the data network is connected to the Internet network 6 is connected to the second system.

That is, the data subscriber connected to each system can communicate only through the Internet network connected to the corresponding system in order to perform data communication.

In the prior art as described above, interworking between systems is generally limited to voice communication by distance and various constraints. That is, subscribers of exchanges not directly connected to the PSTN network are connected to the PSTN network through interworking with digital trunks, and in the case of data communication, data communication subscribers (usually PC or Ethernet users) of the system are connected to the corresponding system. Communication is possible only through the Internet.

As described above, in order to perform voice communication and data communication, there is a big economic burden due to the double line cost of leasing a network for voice communication and data communication in each system.

The present invention has been proposed to solve the above-mentioned problems, PSTN and Internet network connected to the other system by connecting the voice system and data communication through one digital trunk by configuring two systems through a digital trunk (data only network) It is an object of the present invention to provide a system for transmitting / receiving an integrated voice / data system using a digital trunk which reduces line cost by connecting to a system and smoothing interworking between two systems.

Means for configuring a voice / data integrated transmission and reception device between systems using the digital trunk proposed in the present invention to solve the above technical problem,

In the system for transmitting and receiving system using a digital trunk (Trunk) ,

A voice processing unit for processing a voice signal so that the first system and the second system communicate with each other using a digital trunk ;

A data matching unit for processing a data signal so that the first system and the second system communicate with each other using a digital trunk ;

The audio processing unit and the data each transfer data for data and data communication for voice communication from the matching unit receives integrating the data by using a digital trunk (Trunk) by passing in a relative system, or digital trunk (Trunk) from the relative system And a digital trunk board unit configured to transfer the data for the voice communication and the data for the data communication to the voice processing unit and the data matching unit, respectively.

On the other hand, the digital trunk board unit,

The mux / demux unit multiplexes the data for voice communication transmitted from the voice processing unit and the data for data communication transmitted from the data matching unit, or demultiplexes the multiplexed data coming into the system using a digital trunk. ;

Framing the data for the multiplexed voice communication and data for the data communication to a counterpart system using a digital trunk , or multiplexing data coming into the system using the digital trunk . A framer / deframer unit for deframing before demultiplexing;

And a line interface unit for interfacing with a counterpart system connected to the system via a digital trunk .

With reference to the drawings will be described in detail the operation of the constituent means constituting the integrated voice / data transmission and reception system between the system using a digital trunk of the present invention and a preferred embodiment of the present invention.

2 is a block diagram of an integrated voice / data transmission / reception apparatus and method between systems using a digital trunk of the present invention, and FIG. An internal configuration diagram and a frame structure of the digital trunk board unit are shown. FIG. 4 is an overall understanding of a voice / data integrated transmission / reception apparatus and a method between systems using the digital trunk.

2, the system 1 (30) is connected to the voice communication subscriber 32 and the data communication subscriber 31, the system 2 (40) is the voice communication subscriber 42, data communication subscriber 41 and the Internet network 43 and the PSTN network 44 are connected, and are connected by digital trunk (c) between the systems.

The interworking between the systems through the digital trunk (c) is an interworking for voice communication and data communication, unlike the prior art. That is, in the case of E1, the interworking through the digital trunk is divided into the data-only slot and the voice-only slot among 32 slots and then transmitted to the counterpart system through the connected digital trunk.

That is, the data communication subscriber 31 of the system 1 30 connects to the data subscriber 41 or the internet network 43 of the system 2 40 via a digital trunk (c) by interworking between systems to transmit and receive data. And share data.

Figure 3 shows the internal structure (a) and the frame structure (b) of the digital trunk board, which is the core of the present invention, as shown is composed of mux / demux, framer / deframer and LIU.

The mux / demux 51 operates to multiplex or demultiplex voice communication data and data communication data, and the framer / deframer 52 frames the two data in a voice time slot and a data time slot of a frame. This function reverses the framing frame again.

The line interface unit (LIU) 53 operates to interface a line between the digital trunk and the system.

Referring to (b) of FIG. 3, the frame structure of the case of T1 can be confirmed. When 24 slots exist in one frame, slots 1 to 12 are data-only time slots and slots 13 to 24 are voice-only time slots. You can do framing with

The method of framing data of the voice communication and data of the data communication in the frame may vary depending on the intention of the operator.

4 is an overall understanding of the apparatus for transmitting / receiving voice / data integration between a system using a digital trunk and a method thereof, and an operation and a preferred embodiment related to transmission and reception between systems will be described with reference to the figure.

Once the voice communication subscriber 61 connected to the system 1 and the data communication subscriber 71 are connected to the voice communication subscriber 95 or the PSTN network 94 or the Internet network 104 connected to the system 2 to transmit and receive, the system 1 Subscribers 61, 71 connected to connect to System 1.

If the subscribers 61 and 71 connected to the system 1 are for voice communication, the data for voice communication is transferred from the voice processing unit 60 of the system 1 to the other system via the line interface 62 to the other system. It transmits to the digital trunk board unit 50 to form a call line with the connected subscribers. That is, in the voice processing unit 60, the system 1 and the system 2 process a voice signal to perform voice communication with each other using digital trunks.

On the other hand, if the subscribers connected to the system 1 is for data communication, the data for the data communication is confirmed from the data matching unit 70 of the system 1 to the other system via the LAN switching matrix 72 and through the mux 73 Multiplexing is transmitted to the digital trunk board unit 50. That is, the data matching unit 70 processes the data signal for system 1 and system 2 to perform data communication with each other using digital trunks.

The digital trunk board unit 50 that receives data for voice communication and data for data communication from the voice processor 60 and the data matcher 70 multiplexes the two data in the mux / demux 51. Send to framer / deframer (52).

The framer / deframer frames the received data for voice communication and data for data communication in a frame, where the data for voice communication is loaded in the voice dedicated slot of the frame and the data communication is performed in the data dedicated slot of the frame. Load and frame data for

The frame is transmitted to the LIU 53 for interfacing the line between the system line and the digital trunk, and then to the counterpart system 2 through the digital trunk.

The system 2 receiving the frame through the digital trunk transmits the frame received by the interface of the LIU 83 of the digital trunk board 80 to the framer / deframer 82 of the digital trunk board. In this case, the deframer It can be seen that it works.

The deframer divides the received frame into data for voice communication (PCM data) and data for data communication (channelized data), and then deframes the data to the mux / demux 81 of the digital trunk board. To pass.

The mux / demux unit respectively transmits data for data communication (channelized data) and data for voice communication (PCM data) to the corresponding subscribers or the network, respectively. And to the voice processing unit 90.

The voice processor 90 receiving the data for voice communication transmits the data from the TDM switch 91 to the PSTN network 94 or transmits the data to the general telephony subscribers 95, which are transmitted to the PSTN network 94. If it is sent through the PSTN interface 93 and sent to the general telephony subscribers (95), it is sent through the LIU (92).

Meanwhile, the data matching unit 100 that receives data for data communication transmitted from the mux / demux 81 delivers the data to the Internet network 104 through the mux 101 or the general data subscribers 105. To the Internet network 104 via the WAN interface 103 and to the general data subscribers 105 via the LAN switching matrix 102. Send data to them.

As described above, data sent from the voice communication subscribers or the data communication subscribers of the system 1 is transferred to the subscribers or the network of the system 2 to enable voice call or data communication and data sharing.

The same operations and embodiments apply equally to the case where a transmission is made from system 2 to system 1 and is received by system 1. That is, when data for voice call sent by subscribers of system 2 and data for data communication are framed after multiplexing in system 2 and transmitted to system 1 through digital trunk, frame received from system 1 After deframing from the framer (which then acts as the deframer), it is demultiplexed from the mux / demux (which acts as the demux here) to the voice processor and data matcher of system 1, respectively for data and data communications for voice calls. It is then connected to the subscribers or the network of system 1 to enable voice communication or data communication.

As described above, in each system, a voice processing unit, a data matching unit, and a digital trunk board unit are provided to integrate and transmit voice and data using digital trunks between systems. Integrating data for data communication enables transmission and reception.

Next, the present invention will be described in detail with reference to constituent means and preferred embodiments of a method for transmitting / receiving voice / data integration between systems using a digital trunk which is another invention proposed to solve technical problems related to the conventional problems.

In the method of transmitting and receiving between systems using a digital trunk,

Transmitting the PCM data processed by the voice processing unit of the system and the data channelized by the data matching unit to the digital trunk board unit of the system;

A second step of framing the two data in a time slot separated in a frame through a framer by multiplexing the data transmitted from the voice processing unit inputted to the digital trunk board unit and the data transmitted from the data matching unit in the mux / demux unit; ;

Transmitting a frame carrying data integrated by the framing to a counterpart system via a digital trunk via a line interface;

A frame received by the counterpart system through the digital trunk is passed through a line interface unit, and then deframed into PCM data processed by the voice processing unit of the system transmitting the frame and data channelized by the data matching unit; ;

The two deframed data are transmitted to the voice processing unit of the counterpart system through the demux, and the channelized data is transferred to the data matching unit of the counterpart system to provide voice between voice / data subscribers connected to the respective systems. / 5 steps to transmit and receive data; characterized in that comprises a.

Hereinafter, a preferred embodiment of a transmission / reception method will be described with reference to FIG. 5, which shows a procedure flow diagram of a voice / data integration transmission / reception method between systems using a digital trunk. Briefly describe the overlapping content.

Basically, an extension subscriber subscribed to a specific system can make a call through a TDM switch of a voice processing unit of a specific system when a subscriber wants to call an extension subscriber subscribed to the same specific system.

An aspect of the present invention is to transmit a digital trunk by integrating data for a voice call and data for data communication in order to make a call or data communication with a subscriber connected to another system. Only need explanation.

In order for a voice communication subscriber and a data communication subscriber connected to a specific system to transmit and receive a voice communication subscriber connected to another system or a PSTN network or an Internet network, the subscribers connected to the specific system access the specific system.

In the voice processing unit, a specific system and another system process a voice signal to perform voice communication with each other using digital trunks, and transmit PCM data to the digital trunk board of the system (S10).

The data matching unit transmits the channelized data to the system trunk board unit by processing a data signal for data communication between a specific system and another system using a digital trunk (S10).

The digital trunk board unit, which receives data for voice communication and data for data communication from the voice processor and the data matcher, multiplexes the two data in the mux / demux and sends them to the framer / deframer (S20).

Then, the framer / deframer (in this case, the framer) loads the received data for voice communication in the frame's voice-only time slot, and the data for data communication in the frame's data-only time slot. S30).

The frame is transmitted to the LIU for interfacing the line between the system line and the digital trunk (S40), and then transmitted to the counterpart system through the digital trunk (S50).

The other system receiving the frame through the digital trunk is a frame received by the interface of the LIU of the digital trunk board unit from the framer / deframer of the digital trunk board unit to PCM data for voice communication and channelized data for data communication. Deframing is performed (S60 to S70).

Then, PCM data for voice communication separated by deframing and channelized data for data communication are transferred to mux / demux of the digital trunk board part.

The mux / demux unit is a data matching unit and a voice processing unit of a different system, respectively, in order to deliver the received data (channelized data) and voice communication data (PCM data) to corresponding subscribers or networks. Transfer to (S80).

The voice processor receiving the data for voice communication transmits the data from the TDM switch to the PSTN network, or transmits the data to general telephone communication subscribers, and matches the data received for the data communication transmitted from the mux / demux. The department transmits data to the Internet through the mux or to the general data subscribers (S90).

As described above, data sent from voice communication subscribers or data communication subscribers of a specific system is transferred to subscribers or networks of other systems to enable voice call or data communication and data sharing.

The above embodiment is equally applicable to a case where a transmission is made to a specific system from another system.

An integrated voice / data transmission / reception apparatus and a method using a digital trunk having a structure and an embodiment as described above and a method thereof may be used to integrate data for voice communication with data for data communication by using a digital trunk. This reduces the line cost.

In addition, since only digital trunks are used for data communication through exchange subscribers, internal security and stability of speed are guaranteed.

On the other hand, in the company structure, voice communication and data communication between headquarters and branch offices are enabled using digital trunks, which helps the company's management and enables rapid business processing, thereby improving management efficiency.

1 is an understanding of the transmission and reception between systems using a conventional digital trunk.

2 is a block diagram of an apparatus for transmitting / receiving integrated voice / data between systems using the present invention digital trunk.

3 is an internal configuration diagram and a frame structure of a digital trunk board unit which is a constituent means of a voice / data integrated transmission and reception system and a method using a digital trunk of the present invention.

4 is an overall understanding of the apparatus for transmitting and receiving voice / data integration between systems using a digital trunk and a method thereof.

5 is a flowchart illustrating a process of integrated voice / data transmission and reception between systems using a digital trunk.

Claims (3)

In the system for transmitting and receiving system using a digital trunk (Trunk) , The first system and the second system process a voice signal to perform voice communication with each other using a digital trunk, and the first system and the second system can perform voice communication through a public communication network. A voice processing unit connected to the public communication network so as to be connected ; The data signal is processed so that the first system and the second system can perform data communication with each other by using a digital trunk, and the first system and the second system can perform data communication through an internet network. A data matching unit connected to an internet network ; The audio processing unit and the data each transfer data for data and data communication for voice communication from the matching unit receives integrating the data by using a digital trunk (Trunk) by passing in a relative system, or digital trunk (Trunk) from the relative system And a digital trunk board unit configured to transfer the data for voice communication and the data for data communication to the voice processor and the data matching unit, respectively. Digital trunk (Trunk) characterized in that it is possible to provide voice / data transmission and reception with voice / data communication subscribers of another system or voice / data transmission and reception through the public or Internet network of voice / data communication subscribers of another system ) voice / data integration system between the transmitting and receiving apparatus using. The method according to claim 1, The digital trunk (Trunk) board unit, The mux / demux unit multiplexes the data for voice communication transmitted from the voice processing unit and the data for data communication transmitted from the data matching unit, or demultiplexes the multiplexed data coming into the system using a digital trunk . Wow; Framing the data for the multiplexed voice communication and data for the data communication to deliver data to a counterpart system using a digital trunk , or multiplexing the data into the system using the trunk. A framer / deframer unit for deframing before demultiplexing the data; Voice / data integration system between the transmitting and receiving device using a digital trunk (Trunk), characterized in that comprising an; the system is a digital trunk (Trunk) a line interface unit for interfacing with external system that is connected through. In the transmission method between systems using a digital trunk (Trunk) , PCM data input from the voice communication subscriber or the public communication network and processed by the voice processing unit of the system and data input from the data communication subscriber or the internet network and channelized by the data matching unit are transmitted to the digital trunk board of the system. Step 1; The data transmitted from the voice processing unit input to the digital trunk board unit and the data transmitted from the data matching unit are multiplexed in the mux / demux unit to frame the two data in time slots separated in a frame through a framer. Step 2; Transmitting a frame carrying data integrated by the framing to a counterpart system via a digital trunk via a line interface; The frame received by the counterpart system through the digital trunk passes through the line interface unit and then deframes the PCM data processed by the voice processing unit of the system that transmitted the frame and the channelized data by the data matching unit. Step 4; The two deframed data are transmitted to the voice processing unit of the counterpart system through the demux, and the channelized data is transferred to the data matching unit of the counterpart system to provide voice / data subscribers' voice / Including five steps of transmitting / receiving voice / data between data subscribers or via an internet network or a public communication network . Digital trunk (Trunk) characterized in that it is possible to provide voice / data transmission and reception with voice / data communication subscribers of another system or voice / data transmission and reception through the public or Internet network of voice / data communication subscribers of another system ) voice / data integration system between the transmitting and receiving method using a.