A complete business VoIP service for 5 to 100 users

  • REDUCE COMMUNICATIONS SPENDING with a full featured phone system delivered on demand as an enterprise grade hosted VoIP service
  • CONNECT TEAM MEMBERS using your choice of corporate phones from any location with Internet Cloud Internet access
  • UNIFY COMMUNICATION with private IM on Adium, Psi or your favorite IM client
see plans and pricing
OnSIP Intro

OnSIP is more than just Hosted PBX service, it's a Hosted Unified Communications Service. In addition to rich corporate phone system features and big telco-like service, we've added the first web-based IM, presence, and call control engine to the mix.

unified telephone Telephone
  • Total phone system replacement
  • Full suite of enterprise PBX features
  • Phone numbers available in nearly every area code
  • Keep your existing number
  • See more at the Telephony page
unified messaging Messaging
  • Private, company-wide instant messaging
  • Securely chat with team members
  • Click to chat
  • No downloads
  • See more at the Messaging page
unified presence Presence
  • Status manager gives quick snapshot of who's doing what in your team
  • Indicators for phone and IM
  • Personal status options
  • Manage your messages
  • See more at the Presence page

See what others have to say about OnSIP...

enterprisevoipplanet voxilla voip news medium the record inc
"A pretty eye-opening solution" "Invaluable to businesses that are increasingly decentralized" "Just the thing for the average 25-person multinational corporation" "More advanced than anything from Ma Bell" "AMOUNT SAVED: About $3,600 a year"

To use OnSIP all you need are IP Phones and a Broadband Internet Connection

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We don't sell the phones but we can certainly help you decide which ones are best for your needs