Computerized local PABX

Abstract :-
This project incorporates the design, construction and simulation of a computer controller local PABX. The local PABX system is intended for simulation purposes and provides a number of user oriented features. The project is largely aimed at providing the foundations of a phone network and hopefully will form the basis for future projects, which incorporate more powerful features.

The final design of the switching centre supports up to four extensions. Each extension has its own interface board which handles the communication of non verbal phone data. The communication channel is implemented using analogue switching via an eight-way crosspoint switch to physically connect multiple extensions together. Being based around a PC allows the system to be very versatile and also allows for powerful software procedures to be implemented.

Author:- Michael Thomas Cowls

Source:-University of Queensland

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