Open Source VoIP Guide Part 1: An Overview

“Open source is claiming a seat at the table when it comes to
Voice over IP–but is it open for business?

“Firstly, the myth open that source software is ‘free’ has long
been dispelled. Sure you don’t pay for the actual source code, but
that doesn’t mean you won’t be out of pocket. As with any IT
project, your significant costs include hardware, deployment,
training and maintenance–regardless of the software behind the