World’s smallest VoIP PBX?

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A project to create an embedded Linux distribution around Asterisk, an open source PBX (private branch exchange) software package, is demonstrating a VoIP PBX system running on a tiny Gumstix SBC (single board computer) at the AstriCon trade show this week in Anaheim, Calif. The AstLinux project’s demo may be the smallest PBX system ever created.

Link: Linux Devices