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OnSIP Devices

Your business calls, on any device.

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A Gartner Cool Vendor in UC

OnSIP was named by leading analyst firm Gartner in their report, "Cool Vendors in Unified Communications, 2015." All thanks to our powerful CPaaS.

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No Monthly Fees Per Phone

Make and receive calls on multiple devices simultaneously at no extra cost. Simply pay per person or per usage.

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Award-Winning Website Calling

Impress your customers with a seamless communications experience, like instant voice or video chat on your website.

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Patented Foundation for Reliability

We built our platform from the ground up with one key focus: keep your phones online, no matter what.

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New here? Start with the OnSIP VoIP Kit Download Kit

Proud to Call Customers

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From The Business Voice Blog