The “Free” in FreePBX stands for Freedom. That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs.
Discover the power of open source communications. Take a look at all the built-in features FreePBX has to offer and start building your phone system.
Transform your FreePBX install into a robust Unified Communications system with commercial modules from Sangoma and other add-ons for FreePBX.
Visit the Knowledge Base on the FreePBX wiki! Or let FreePBX experts assist with support for installing FreePBX, updating, troubleshooting, and beyond.
Completely free to download and use, the power of FreePBX comes from a global community of developers who ensure it remains a high compatibility and customizable platform with all the key features needed to build a scalable business phone system on any budget.
With millions of installations worldwide and a very active development base, the FreePBX community continues to out-perform the telecom industry’s commercial efforts.
The Sangoma Phone Browser-Based Client provides a powerful, feature-rich softphone experience—accessible directly from your web browser, with no software installation required. It delivers the same
We’re pleased to share that new features have been added to the Sangoma Desktop Client. These updates aim to improve the user experience and make
Attending The Linux Foundation’s Open Source Summit? Join us in Denver, Colorado, on the morning of June 26, 2025! FreePBX World Summit 2025, proudly