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VoIP Supply has been deemed an essential business during the COVID-19 pandemic and will continue to operate to support your business processes and needs.

Due to the high demand for headsets, power supplies, and web cameras, if your order becomes backordered one of our solutions consultants will call you to verify the ETA and to recommend an alternative product if needed. For more questions please chat or call us at 800-398-8647.

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IP PBX


Just need help organizing your purchasing thoughts? See our VoIP Buyers Guides to help make your VoIP purchase go smoothly.


PBX Brands:




What is a Private Branch Exchange?


A Private Branch Exchange (PBX) is a telecommunications system that handles the call control functionality of your telephones and fax machine while simultaneously managing your connection to the PSTN (Publicly Switched Telephone Network). The term PBX is used to describe what you would call your phone system.


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