Private Branch Exchange

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private branch exchange

[′prī·vət ′branch iks‚chānj]
(communications)
A telephone exchange serving a single organization, having a switchboard and associated equipment, usually located on the customer's premises; provides for switching calls between any two extensions served by the exchange or between any extension and the national telephone system via a trunk to a central office. Abbreviated PBX.

private branch exchange (PBX)

A private telephone switching system located on the customer’s premises, usually serving an organization (such as a business or government agency). It switches telephone calls within a building and also to an outside telephone network.

Private Branch Exchange

(communications)
(PBX) A telephone exchange local to a particular organisation who use, rather than provide, telephone services. The earliest PBXs were manual (Private Manual Branch EXchange, PMBX) but are now more likely to be automatic (Private Automatic Branch eXchange).
References in periodicals archive ?
com)-- GPBX, a leading provider of Communications as a Service (CaaS) solutions in the international market, announces the plans regarding the Hosted PBX solution.
Through the partnership, TeleDomani agents will offer net2phone's hosted PBX and SIP Trunking solutions to their rapidly growing base of enterprise customers.
M2 EQUITYBITES-December 15, 2017-TeleDomani will offer net2phone's hosted PBX solution