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OnSIP is a no-compromise alternative to owning and managing your own phone system. All you need are phones. We handle the rest.
Total phone system replacement
OnSIP is a complete business phone system delivered through the Internet. You connect phones to OnSIP using existing Internet connections and OnSIP delivers all of the features of a purchased phone system.
Full suite of enterprise PBX features
OnSIP includes all the features expected from an expensive corporate phone system at a fraction of the cost. Features include extensions, voicemail boxes, groups, auto-attendants, directories, conferencing, business hours routing and much, much more.
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Phone numbers available in nearly every area code
OnSIP offers numbers in nearly every area code and region, anywhere around the world. It does not matter whether a customer is located in California, New Jersey or Sweden; they will still be able to make full use of our services.
Keep your existing number
Customers can easily port their existing numbers to OnSIP. Vanity numbers (867-5309) welcome.
