One of the first open source VoIP projects — and one of the earliest VoIP PBXes, period — is Digium-sponsored Asterisk. A highly mature platform licensed under the GPL, Asterisk supports almost ...

DIY VoIP: The days of complete rip-and-replace VoIP installations may be waning, as open-source VoIP options (like Asterisk) and more mingling between traditional PBX vendors and VoIP vendors make for ...

Open-source collaboration software vendor Open-Xchange has integrated VoIP (voice over Internet Protocol) and social networking sites in the latest version of its e-mail server and client.

How to Future-Proof a VoIP Phone System + Keep Costs Down Your email has been sent Discover how to get a VoIP phone system that saves you money without sacrificing ...