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Interactive switching system and processing method based on SDL graphics relationship

An interactive and graphic technology, applied in the field of communication and computer, can solve the problems of single experimental content and means, and the experimenters can't achieve learning, so as to achieve the effect of convenient operation and cost saving

Inactive Publication Date: 2007-09-26
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to design a program-controlled switchboard experimental system that is suitable for the developmental and comprehensive experimental requirements of the teaching of the exchange principle and is cheap, and solve the problems in the design of the existing exchange experiment system. , the experimental content and methods are single, and the experimenters cannot achieve the purpose of learning, we propose corresponding solutions

Method used

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  • Interactive switching system and processing method based on SDL graphics relationship
  • Interactive switching system and processing method based on SDL graphics relationship
  • Interactive switching system and processing method based on SDL graphics relationship

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Embodiment Construction

[0023] As shown in Figure 1, it is a schematic diagram of the system structure of the interactive exchange experiment system. The experimental system is mainly composed of the following modules: program-controlled exchange system experiment box, communication interface module, and upper controller. The upper controller can be a PC, and specifically includes The following control modules: SDL graphics drawing module, SDL graphics relationship recognition module, configuration and operation module.

[0024] ① The program-controlled switchboard experiment box is the hardware platform of this interactive experiment system. The experiment box includes all the hardware function modules to realize the program-controlled switchboard, and provides 4 to 16 user circuits, including switching modules, user detection modules, call processing modules, dual-tone Multi-frequency processing module, ring current signal generation module, etc. can be designed according to different SDL flow chart...

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Abstract

This invention relates to one interacting exchange system and its process method based on SDL pattern relationship identification, which comprises the following steps: the system adopts SDL pattern relationship identification method to form interacting experiment system; the SDL pattern draw module provide user with SDL flow pattern operation; the identification module identifies SDL status information to form standard SDL status transfer list to store group information database; group status operation module generates SDL status transfer flow program exchange strategy for automatic loading to control exchanger relative module.

Description

technical field [0001] The present invention relates to communication and computer technology. Background technique [0002] The switch is the core of the communication system, and "Switching Principles" is therefore the backbone course of every communication major. Switching is highly complex, involves a lot of content, and is highly systematic. Experiments are very important for understanding the switching system. [0003] However, at present, the experimental methods are still in the demonstration of the process of making a phone call, man-machine command operation of the switchboard and parameter configuration. For the switch system, the whole structure of the switch, the coordination and cooperation between various parts, the sequence relationship of the signal flow, the operation status in different situations, etc. are not very clear, and the teaching purpose of the course has not been achieved in fact. [0004] The closest existing product with the present invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B25/02
Inventor 张毅徐川刘乔寿唐红赵国锋田力
Owner CHONGQING UNIV OF POSTS & TELECOMM
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