Synopsis:    This week Mark and Shawn are joined by Steve Sokol, Marketing Director for Asterisk to talk about the open source telephony software. Links: Asterisk TIPS: Tech Tip of the Week: AbpMon- a resizable and dockable toolbar on your desktop for any Windows system that graphically shows the most popular system information in real time Teacher Tip of the Week: Froguts.com - Virtual dissection software