VitalPBX is a derivative of Ombutel as is CompletePBX from Xorcom.
Since September 2017, Xorcom continued its path with CompletePBX and was born VitalPBX (formerly Ombutel).
Currently VitalPBX integrates seamlessly with FOP2 and is installed like this from the console
yum install fop2
VitalPBX includes many features, among which we can mention the following:
And features in the core like: