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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