KR100438234B1 - Voice and facsimile subscriber apparatus for internet netwokr - Google Patents

Abstract

The present invention relates to a voice and facsimile subscriber device in the Internet network, and the prior art has to match the PSTN using an external device when configuring the system because there is no PSTN matching unit in the subscriber device,

When configuring the VOIP gateway, the system becomes complicated, and there is a problem of cost increase due to the purchase of an external device.

Therefore, the present invention has been made to solve the above-mentioned conventional problems, and the system bus matching unit responsible for matching with the PCI (PCI) system bus; A digital central accounting unit for performing matching and line signal processing with a public switched telephone network (PSTN); A switch unit for switching a time slot of a time division multiplexing (TDM) signal according to channel connection; A data processor which receives voice and fax data transmitted through the switch unit or the system bus matching unit and performs a service according to a service; An Ethernet matching unit performing matching with the Internet network; By providing a device composed of the main control unit that controls the entire subscriber device, voice and facsimile mailbox service can be performed at low cost without using a separate network matching device, and voice data received through the Internet network (or PSTN) can be used. The VOIP gateway function to transmit to the PSTN (or Internet network) can be performed.

Description

VOICE AND FACSIMILE SUBSCRIBER APPARATUS FOR INTERNET NETWOKR}

The present invention relates to a voice and facsimile subscriber device in the Internet network, and more particularly, in the matching between the public switched telephone network (PSTN) and the Internet network, performing a matching function without using a separate network matching device and Voice over Internet Protocol (hereinafter referred to as 'VOIP') service and the like to the voice and fax subscriber device in the Internet network.

Traditionally, VoIP is a term for IP telephony technology for a set of facilities that use IP to convey voice information. In general, this is not a traditional protocol based on circuits such as PSTN, a public switched telephone network, but in discrete packets. It means sending voice information in digital form. The main advantage of VoIP and Internet telephony technology is that it integrates telephone service by utilizing existing IP network so that telephone users can receive long distance and international phone service in internet and intranet environment with only local call charge.

VoIP promotes ITU-T H.323 and directory service standards, the standard for transporting voice (sound) and video over IP over the public Internet or intra-company intranets, allowing users to locate other users. It also enabled the use of touch phone signals for automatic telephone distribution and voicemail.

In addition to the original IP functionality, VoIP uses a real-time protocol (RTP) to support packets arriving in a timely manner. Using public networks, it is currently difficult to guarantee quality of service (QoS). Better service can be achieved by using a private network managed by an independent company or an Internet telephony service provider (ITSP). The gateway receives voice transmissions broken up into packets from users in the company and either sends them to other parts of the intranet or sends them to the PSTN using the T-1 or E1 interface.

Conventional apparatus for such a service includes a system bus matching unit 50 that is responsible for matching with the PCI (PCI) system bus as shown in Figure 1; A switch unit 20 for switching time slots received by a time division multiplexing (TDM) bus; A data processor 40 which receives voice and facsimile data transmitted through the switch unit 20 and performs processing according to a service; An Ethernet matching unit 30 in charge of matching with the Internet network; It is composed of a main control unit 10 in charge of controlling the entire subscriber device.

Hereinafter, a description of the operation of the prior art will be described with reference to the accompanying drawings.

As shown in FIG. 1, the switch unit 20 of the subscriber device receives voice and facsimile data from the time division multiplexing bus of the system, switches according to the control signal of the main controller 10, and distributes the same to the data processor 40. The data processor 40 compresses and processes the voice and facsimile data received through the local TDM line and notifies the main controller 10 to the main controller 10. The main controller 10 transmits the compressed and processed voice and fax data to the system. Through the bus matching unit 50 is transmitted to the other processing device of the system.

In addition, when voice and facsimile data are received through the Internet network, the main controller 10 processes the data received through the Ethernet matching unit 30 according to a protocol and transmits the data to the data processing unit 40. The operation of is performed in the same manner as the operation described above.

However, since the PSTN matching unit does not exist separately in the subscriber device, it is necessary to match the PSTN using an external device when configuring the system. Thus, the system becomes complicated when configuring VOIP gateways, and an external device needs to be purchased. There was a problem such as being.

Accordingly, an object of the present invention is to provide a device for performing a matching function without using a separate network matching device.

1 is a schematic view showing the configuration of a voice and facsimile subscriber device in a conventional Internet network.

Figure 2 is a simplified view showing the configuration of a voice and fax subscriber device in the Internet network of the present invention.

********** Explanation of symbols for the main parts of the drawing **********

10: main control part 20: switch part

30: Ethernet matching unit 40: data processing unit

50: system bus matching unit 60: digital middle account unit

The configuration of the voice and facsimile subscriber device in the Internet network of the present invention for achieving the above object comprises: a system bus matching unit in charge of matching with the PCI (PCI) system bus; A digital central accounting unit for performing matching and line signal processing with a public switched telephone network (PSTN); A switch unit for switching a time slot of a time division multiplexing (TDM) signal according to channel connection; A data processor which receives voice and fax data transmitted through the switch unit or the system bus matching unit and performs a service according to a service; An Ethernet matching unit performing matching with the Internet network; Characterized in that it consists of a main control unit that performs the control of the entire subscriber station.

Hereinafter, an operation process of an embodiment according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is an exemplary view briefly showing the configuration of a voice and facsimile subscriber device in the Internet network of the present invention. As shown in FIG. 2, a system bus matching unit 50 that is in charge of matching with a PCI system bus is shown. ; A digital middle account matching unit 60 for performing matching and line signal processing with a public switched telephone network (PSTN); A switch unit 20 for switching a time slot of a time division multiplexing (TDM) signal according to channel connection; A data processor 40 for receiving voice and facsimile data transmitted through the switch unit 20 or the system bus matching unit 50 and performing processing according to a service; Ethernet matching unit 30 for matching with the Internet network; The main control unit 10 performs control of the entire subscriber station.

Referring to the accompanying drawings, the operation of an embodiment according to the present invention configured as described above will be described.

Referring to the operation process of the present invention divided into the transmission and reception operations of voice and facsimile data, first, when the voice and facsimile data is received from the PSTN, the digital middle account unit 60 is digital according to the control signal of the main controller 10; Converts the voice and facsimile data received from the relay line into a TDM signal and outputs it to the local TDM line. When the control signal of the main controller 10 is inputted from the switch unit 20, the TDM signal is switched to the local TDM signal. The data is output to the data processor 40 through the line.

Data processing unit 40 is compressed and processed according to the service for providing the input TDM signal (voice and facsimile data), and then through the system bus matching unit 50 in accordance with the control signal of the main controller 10 Transfer to a processing device (not shown).

In addition, when voice and facsimile data are received from the Internet network, the main controller 10 processes the data received through the Ethernet matching unit 30 according to a protocol and transmits the data to the data processing unit 40. The operation is the same as the operation described above.

On the other hand, referring to the operation of transmitting voice and facsimile data to the PSTN and the Internet network, first, a message indicating that there is voice and facsimile data to be transmitted from the other processing apparatus in the system to the main controller 10 is sent to the system bus matching unit 50. In response to the message, the main controller 10 receives the data to be transmitted through the system bus matching unit 50 and outputs the data to the data processor 40.

The data processor 40 restores and processes the input data and simultaneously converts the data into a local TDM signal and outputs the signal to the local TDM line. Switch to the middle account unit 60. In this case, the digital middle account matching unit 60 converts the voice and facsimile data according to the control signal (call processing command) of the main controller 10 and transmits the converted voice and facsimile data to the PSTN.

If a message indicating that there is voice and facsimile data to be transmitted to the Internet is input through the system bus matching unit 50, the main control unit 10 inputs data to be transmitted through the system bus matching unit 50 according to the message. Receives and outputs the data to the data processing unit 40, the data processing unit 40 restores and processes the input data and at the same time transmits to the Internet through the Ethernet matching unit 30.

In addition, the VOIP gateway function of transmitting voice data received through the Internet network to the PSTN may be performed. First, the main control unit 10 outputs the input voice data to the data processing unit 40, and receives the received data. The processing unit 40 converts the packet data voice data into TDM voice data and outputs the converted voice data to the switch unit 20.

The switch unit 20 switches according to the control signal of the main control unit 10, receives the input from the digital middle account sum unit 60, converts it, and transmits the converted signal to the PSTN.

On the other hand, when voice data is received through the PSTN, the operation is performed in the reverse order.

As described above, the voice and facsimile subscriber device in the Internet network of the present invention enables voice and facsimile mailbox service at low cost without using a separate network matching device, and voice data received through the Internet network (or PSTN). VOIP gateway function to transmit the PSTN to the PSTN (or Internet network).

Claims (2)

A system bus matching unit responsible for matching with the PCI (PCI) system bus; A digital central accounting unit for performing matching and line signal processing with a public switched telephone network (PSTN); A switch unit for switching a time slot of a time division multiplexing (TDM) signal according to channel connection; A data processor which receives voice and fax data transmitted through the switch unit or the system bus matching unit and performs a service according to a service; An Ethernet matching unit performing matching with the Internet network (IP); Voice and facsimile subscriber device in the Internet network, characterized in that the main control unit for controlling the entire subscriber device. The Internet of claim 1, wherein the main control unit controls to transmit the voice and facsimile data restored and processed by the data processing unit directly to the IP network through the Ethernet matching unit without transmitting through the digital middle account unit when transmitting to the IP network. Voice and fax subscriber devices in the network.