Chances are, if you're considering VoIP implementation, you've heard of Asterisk -- the open source PBX. Asterisk can save your company a ton of money -- especially in software license and upgrade fees -- but you must first answer some critical questions about handling support and security. Listen to expert, Gary Audin, discuss the pros and cons of using Asterisk for IP telephony. He will dispell some common myths on both the "pros" and "cons" sides, as well as, provide advice for when and where open source IP telephony may be the right choice.