IEEE

Category:Centrex telephone systems

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A rotary Bakelite phone developed in 1947 - The standard phone that uses Centrex technology - Image by Holger Ellgaard
A rotary Bakelite phone developed in 1947 - The standard phone that uses Centrex technology - Image by Holger Ellgaard

An abbreviation of Central Exchange, a telephone switching system where the switching equipment is provided at a central exchange instead of at the customer's premises (such as in a private branch exchange)

Media in category "Centrex telephone systems"

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