Category:Centrex telephone systems
(New page: Category:Telephony)
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Latest revision as of 21:28, 14 January 2013
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)
Pages in category "Centrex telephone systems"
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Media in category "Centrex telephone systems"
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- Centrex 794px-Teleph...