A more accurate title would be Why we built our solution on top of FreeBSD
It's an article describing why they chose FreeBSD over CentOS for their VoIP appliance.
Guess English is a second or third language for the article writer due to the grammar and spelling.
A decent article overall, and an interesting look into the thought process that goes into choosing an OS for a new project.
Still not sure what his app does and where the value is?