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  1. What Is a PBX Phone System? Everything You Need To Know

    Jun 18, 2024 · A private branch exchange, or PBX, is a phone system that allows extension phones in one office to connect to the phone network in another office.

  2. What Is a Private Branch Exchange (PBX)? Definition from ...

    Jun 2, 2023 · A private branch exchange (PBX) is a telephone system within an enterprise that switches calls between users on local lines, while enabling all users to share a certain number …

  3. 8 Best Hosted PBX Providers (2025) | Quo (formerly OpenPhone)

    Apr 29, 2025 · Not all hosted PBX providers are built alike. Compare the best of the best in our roundup of the 10 best options.

  4. PBX Phone Systems: Definition, Types & Comparisons | Vonage

    Jun 29, 2025 · PBX stands for Private Branch Exchange — a type of telephone network that’s assigned to (and controlled by) a single entity. You might find a PBX in a hospital, office …

  5. PBX Systems: What you need to know - Webex by Cisco

    PBX stands for Private Branch Exchange. A PBX system is a private internal telephone system that enables internal and external communication.

  6. What is a Private Branch Exchange (PBX) Phone System?

    Sep 6, 2024 · Today’s PBX systems are automated and are sometimes called private automatic branch exchange (PABX) systems. Originally, PBX systems required a live operator to make …

  7. What Is a PBX Phone System? - Lifewire

    Nov 24, 2024 · A PBX (private branch exchange) system allows an organization to manage incoming and outgoing phone calls, as well as internal communication. A PBX is made up of …

  8. What's PBX Phone System? Complete Guide [+Video] - Yeastar

    Feb 1, 2024 · What is a PBX (Private Branch Exchange)? PBX is short for P rivate B ranch E x change, a telephone system within an enterprise that switches calls between users on local …

  9. What is a PBX? The definitive guide 2025 - VoIPstudio

    Dec 23, 2024 · PBX, “Private Branch Exchange,” represents an organization’s internal communication structure cornerstone. This private telephone network system has significantly …

  10. What is a PBX Phone System? Definition & Benefits

    Aug 4, 2025 · A PBX is a private phone network used within a business or organization. It allows employees to communicate with each other internally (within the company) and externally …