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Communication device used in communication system and remote control method

A communication device and communication process technology, applied in the direction of telephone communication, the network of the telephone service provided, the automatic exchange office, etc., can solve the problems of increasing the risk of illegal third-party attacks and so on

Inactive Publication Date: 2008-11-12
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, with the above method, when the log files in the telephone switching device are collected by the management device through the communication network, the access restriction of the firewall on the communication network should be relaxed
This method is not accepted by most administrators due to the increased risk of attacks by illegitimate third parties

Method used

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  • Communication device used in communication system and remote control method
  • Communication device used in communication system and remote control method
  • Communication device used in communication system and remote control method

Examples

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Comparison scheme
Effect test

no. 1 example

[0020] figure 1 is a schematic configuration diagram illustrating a communication system according to a first embodiment of the present invention, and reference numeral 1 designates a telephone main unit. The telephone main device 1 is connected to an application server ASV, a telephone terminal IPT, and a voice mail device VM via a local area network (LAN) 2 .

[0021] The telephone main device 1 is connected to a public network INW (such as the Internet) arranged more widely than the LAN 2 via the LAN 2 and a firewall FW, and is further connected to the maintenance device MT from the public network INW.

[0022] figure 2 It is a block diagram illustrating the functional configuration of the telephone main device 1 .

[0023] The telephone main device 1 includes an analog trunk interface unit 11 , a digital expansion telephone interface unit 12 , a timer switch 13 , a central control unit (hereinafter CPU) 14 , and a LAN interface unit 15 . The analog trunk interface unit...

no. 2 example

[0044] Figure 6 is a sequence diagram illustrating an operation for establishing a controlled connection between the maintenance device MT and the telephone main device 1 according to the second embodiment of the present invention.

[0045] When the telephone main device 1 is remotely controlled by the maintenance device MT, the user of the maintenance device MT calls the telephone main device 1 . Therefore, the maintenance device MT creates a communication establishment request (INVITE message) to the telephone main device 1, and transmits the request to the public network INW ( Figure 6 (1)). When the telephone main device 1 returns a response (200 OK) to the request ( Figure 6 (2)), a session for notifying the connection destination is formed between the maintenance device MT and the telephone main device 1 via the firewall FW and the public network INW ( Figure 6 (3)). Information for identifying access to maintenance on the telephone main device 1 side includes an...

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Abstract

The present invention provides a communication apparatus and remote control method in communication system. According to one embodiment, a communication apparatus includes a receiver which receives a Dual Tone Multi Frequency (DTMF) signal for specifying a control request is transmitted from a management apparatus, the control request including connection destination information for specifying a management apparatus, the management apparatus is connected to the public network and remotely controls the communication process; a calculator which obtains a control request from the DTMF signal; and a controller which creates a session for management using a known protocol passable through the firewall with respect to the management apparatus based on the connection destination information included in the control request, and allows the management apparatus to execute a process based on contents of the control request.

Description

technical field [0001] An embodiment of the present invention relates to a communication device remotely controlled by a management device such as a personal computer through an Internet Protocol (IP) network or a public network, and a remote control method for the communication device. Background technique [0002] The telephone switching device detects internal or external anomalies encountered during the process, and records the detection results as error / alarm log files into the built-in memory of the line / terminal connection card. When the software call / maintenance process is performed, the exchanged messages and their contents can be recorded as a log file in the built-in memory of the line / terminal connection card. [0003] When the telephone switching apparatus collects log files of line / terminal connection cards, and updates programs, controls services, and changes settings, it can normally perform these processes by connecting via a serial port or an Ethernet (regi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M11/00
CPCH04M3/42314H04M1/72522H04M7/006H04M3/42178H04M1/72403
Inventor 楫贵德佐藤修一
Owner KK TOSHIBA
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