These extra components are geared towards making the software better able to fulfill the needs of larger companies and call centers.
trixbox Appliance is a server appliance available from Fonality which comes preloaded with either trixbox CE or trixbox Pro.
Running Free PBX® Distro updates is easy, and it can be done in one of two ways...
through your CLI or with the System Admin module in your GUI.
Once you’ve upgraded your system, the Free PBX Distro has some additional built in features to change the major Asterisk version you are using.
If you have not seen trixbox CE has officially been killed.
Asterisk NOW is an ISO image that installs Linux, Asterisk and the Free PBX GUI in a single, simple install.