The Most Powerful and Open VoIP Platform Available

KAZOO is an open-source, highly scalable software platform designed to provide carrier-grade VoIP switch functions and features. Developers, system administrators, and telecom engineers can build flexible, reliable telecom services using the extensive KAZOO APIs. Hundreds of companies around the world are utilizing KAZOO to power their VoIP infrastructure.

Get Started

Linux Packages

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Get Involved

Come join us! There are multiple ways you can participate in our project—from using it, to developing it, to documenting it.

IRC Chat

Talk to us in real-time! We’re on#2600hz on FreeNode(24/7) at You can also view our IRC log archives.

You can get an IRC chat client at XChat’s Homepagefor Linux, Mac OS X or Windows, or use a web version at

Bugs & Patches

Send us bugs, patches, or suggestions using our bug tracker at

Commercial Services

Looking for paid services and products? Visit for our business products and services.

Looking for Blue.Box? That project has been discontinued, but you can find all the relevant info for that project and others in our Archive.