FreePBX® is the most popular graphical administration and end-user interface for the open-source Asterisk® telephony toolkit. Build a cloud phone system, a call center, a WebRTC application, or a custom audio service. This one-click build is ready to connect to your SIP phones and VoIP providers immediately. You can add extra functionality through free or commercial add-on modules.
FreePBX and Asterisk are corporately sponsored by Sangoma Technologies. Simon Telephonics is providing this one-click install to the community and is not affiliated with Sangoma.