|Distribution||Date Last Tested||Certified||Tested||Commercial Module Support||Notes|
|CentOS 7||No||Yes||No||No commercial module support|
|No||No||100% Open Source installation|
|Ubuntu 18.04||No||No||100% Open Source installation|
To reduce download and install time, please be aware that of these instructions give you a minimal install. This is enough to provide for basic PABX functionality, but you should go to Module Admin, and select 'Check Online' to download the additional modules after installation. There are approximately 50 additional modules that can be installed.