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  1. 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. In other words, it enables employees …

  2. 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 building, or university …

  3. What's a PBX? The different types of PBXs & what to look for.

    A PBX (Private Branch Exchange) phone system is a private telephone network used within an organization. Users within the company can communicate internally and externally (with the outside …

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

    Feb 1, 2024 · A PBX system connects internal phone extensions to each other and to the public switched telephone network (PSTN). It manages incoming and outgoing calls, ensuring they are …

  5. 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 hardware and …

  6. What is a PBX Phone System? Definitive Guide by GetVoIP

    Apr 15, 2025 · A PBX (Private Branch Exchange) system creates a private business telephone network for making and receiving internal/external voice calls. PBX systems include advanced call handling …

  7. 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 through the …

  8. What is a PBX? A Comprehensive Guide to PBX Phone System - Calilio

    Feb 25, 2025 · What is a PBX? A PBX, or Private Branch Exchange, is a private telephone network used within a company or organization. The primary purpose of a PBX phone system is to manage …

  9. Small Business PBX – The Basics - Cisco

    Traditionally, a small business PBX (Private Branch Exchange) is a telephone switching system that manages incoming and outgoing calls for a company's internal users.

  10. PBX Phone Systems: A Comprehensive Guide for Small Businesses

    Apr 26, 2023 · PBX stands for private branch exchange, an internal telephone network enabling users to communicate with one another and those outside the company through private lines. A PBX phone …