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Monday, 21 October 2019 17:21
The History of the Private Branch Exchange (PBX)
Written by Aaron Shames
The term Private Branch Exchange (PBX) refers to a telephone system independent of the Public Switched Telephone Network (PSTN). PBX systems process inbound and outbound call flows, giving the operator greater flexibility. For example, PBX solves a problem that burdened large organizations for decades. Via landlines, the service provider performs internal calls like any other…
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