Digium, which sells a commercial version of open source Asterisk IP PBX software, has upgraded the small-business version of the product to support more modes of communication.

The latest version of Switchvox SMB PBX supports faxes, instant messaging and video calling as well as better integration with Web applications, a combination the company characterizes as new support for unified communications.

more at Digium upgrades IP PBX capabilities for SMBs – Network World