ALSO CALLED:
Private Branch Exchanges,
Telecommunications Switches,
CBX,
Computer-controlled Branch Exchange DEFINITION: A PBX (private branch exchange) is a telephone system within an enterprise that switches calls between enterprise users on local lines while allowing all users to share a certain number of external phone lines. The main purpose of a PBX is to save the cost of requiring a line for each user to the telephone company's central office.The PBX is owned and operated by the enterprise rather than the telephone
PBX definition sponsored by SearchUnifiedCommunications.com, powered by WhatIs.com an online computer dictionary
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