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

    Jun 29, 2025 · Learn all you need to know about PBX phone systems, how they work, and whether this or another type of communications platform might be right for you.

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

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

  3. 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 …

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

    Feb 1, 2024 · 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 …

  5. What Is a PBX Phone System? (Features, Benefits) - Nextiva

    Aug 21, 2025 · What Is a PBX? A PBX (Private Branch Exchange) is a private telephone system that connects users within an organization (extension-to-extension) and routes external calls …

  6. PBX Phone Systems: Everything You Need to Know | Quo ...

    PBX phone systems have been around for decades — but are they right for your business? Find out everything you need to know about PBX systems.

  7. Best PBX phone system for small business of 2025 - TechRadar

    Nov 6, 2025 · We've therefore listed below what we think are the best PBX phone systems for small businesses currently available, judged in terms on features, ease of use, and cost per …