Centrex

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Centrex

CENTREX

A telephone service in which the PBX is located in the telephone company's facilities. Some CENTREX services provide the PBX switching at the customer's site, but control is still in the central office. See IP CENTREX.
References in periodicals archive ?
A wide variety of next-generation service providers, including regional Bell operating companies, competitive providers, business local exchange carriers and application service providers, are interested in deploying IP Centrex services in their networks.
TCG gave its centrex service a national look that makes it easier for telecomm managers like myself, with offices in multiple cities, to read their bills.
TCG continues to work with us to help us take advantage of its centrex service.

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