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)

ANSWER: b

Computer Science & Information Technology

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