Acme Packet's Jim Slaby writes an extremely informative piece on SIP trunking and it is a must read if you are looking at SIP trunking as a way to cut down expenses while increasing your disaster preparedness. Another good point Slaby makes is SIP trunks save power over PRIs. There is more but I don't want to steal all his thunder.
If you want to learn more about SIP trunking, you can also check out this webinar taking place in four days and/or attend live SIP trunking sessions at ITEXPO (see the session in action from the last ITEXPO in Los Angeles below) Feb 2-4, 2009 in Miami.
![12215990411[1].jpg](http://blog.tmcnet.com/blog/rich-tehrani/uploads/12215990411%5B1%5D.jpg)
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