A Dedicated Telephone Switch or Virtual Switching Device That Connects

A dedicated telephone switch or virtual switching device that connects and manages calls within a private organization, and manages call connections that exit the network through a VoIP gateway, is known by what term?

A) VoIP router
B) VoIP PBX (private branch exchange)
C) VoIP LEC (local exchange carrier)
D) VoIP ATB (analog telephone branch)

Correct Answer:

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