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 ...

Whereas commercial VoIP vendors typically supply their own phones, tying them to their IP PBXes for solid integration and providing phone setup, configuration, and maintenance as part of their ...

Digium is stirring up the open-source community it helped create by buying one of the vendors that has built an IP-PBX on its Asterisk VoIP platform. The company last month acquired Switchvox, one of ...