Private branch exchange (PBX)

Private branch exchange (PBX)

A telephony term describing a private telephone network used within an enterprise. Users of the PBX share a certain number of outside lines for making external telephone calls.

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Part of Speech: noun
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Industry/Domain: Legal services
Category: Patent & trademark
Company: USPTO
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private branch exchange (PBX)

Telecommunications; General telecom

1. A subscriber-owned telecommunications exchange that usually includes access to the public switched network. 2. A switch that serves a selected group of users and that is ...

private branch exchange (PBX)

Software; Globalization software service

A switching system located on a customer's premises that consolidates the number of inside lines (extensions) into a smaller number of outside lines (trunks). Many PBXs also ...

private branch exchange (PBX)

Legal services; Patent & trademark

a telephony term describing a private telephone network used within an enterprise. Users of the PBX share a certain number of outside lines for making external telephone calls.

private branch exchange (PBX)

Computer; Operating systems

A private telephone network in an organization. Individual telephone numbers or extension numbers are supported, and calls are automatically routed to them. Users can call each ...

private branch exchange (PBX)

Technology; Information technology

A telephone switching system on a customer’s premises that allows telephones to interface with one or more public switched telephone network, or a private voice network when the ...

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