Getting Started

OnSIP is ready to use as soon as you sign up. All you need are phones and a broadband connection.

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“In about five minutes, I was able to provision myself a phone number in the cloud that had dialtone. And then make a phone call.” - Fred Wilson,Union Square Ventures
  • 1

    Sign Up.

    We offer a 30 day free trial.

  • 2

    Choose and configure your IP phones.

    We don’t sell them, but we've collected all the information on phones that work best with OnSIP here ( Includes reviews, where to buy, and setup instructions ).

  • 3

    Add users and extensions.

    In our admin panel, add users and extensions with a few clicks of your mouse, without paying a cent. Choose your phone number(s) and any other features (e.g. call routing, auto attendant, etc) you’d like. Click here for an interactive video guide.

  • 4

    Go ahead, make a call.

    Don’t forget to check out to chat and click-to-call your coworkers for free!

For more tutorials in getting started, download our easy-to-follow Getting Started Guide, visit our Knowledgebase or check out our live introductory webinar, held every Tuesday and Thursday.

Interactive video tutorial of the OnSIP admin portal

This short series of 1-2 minute videos will show you just how easy it is to use our web-based admin portal to customize your new OnSIP phone system.

Check out our plans.

Try any plan risk-free for 30 days.