OpenVBX is a web-based
open source phone system
for business.

Get virtual phone numbers, and build business apps with the easy drag 'n drop editor. OpenVBX comes with applets for auto-attendants, call forwarding, voicemails (with transcription), receiving text messages and more.

Integrate OpenVBX with your existing systems. Build your own custom phone applets with just a little bit of PHP. Rebrand and resell OpenVBX to your customers.

Give every user their own phone number and personal conference line. Dial whole departments, share voicemail messages with the team. OpenVBX is for companies and collaboration.

There's a lot you can do, so get downloading.

Learn more

at Twilio.com/OpenVBX

OpenVBX - Inbox OpenVBX - Users and Groups OpenVBX - Devices OpenVBX - Call Flows OpenVBX - Twilio Numbers

Latest Release

OpenVBX 0.77

We’re off to the races, fixing lots of bugs and adding features to OpenVBX.   Its been less than thirty days since we launched and we’re introducing our fourth version since we Open Sourced OpenVBX. Features to highlight in this release, include IIS7 support, a simple Database Upgrader script, and automatic detection of url rewrite [...]

Follow this five step installation guide to get up and running in no time. We've also got an upgrade guide to help you out.

Requirements

¹ Using less than PHP 5.2 requires PEAR Services_JSON

Press

More Press

Documentation

  • Quickstart Guides

    Fast guides to get started extending and customizing your OpenVBX installation.

  • Plugin API

    Function reference for the OpenVBX internal APIs. Use these APIs to build plugins or extend OpenVBX without touching core code.

  • Themes

    CSS reference to customize OpenVBX, or build your own theme from scratch.