Digium’s Tristan Barnum, Director of Product Marketing for Switchvox, has a nice piece over at IT Business Edge called , “Five Things You Didn’t Know About VoIP” I especially like item #5 on her list, “SIP Trunks don’t exist. There’s no such thing.” It’s so very true, yet it flies in the face of the growing hubbub about SIP trunking in recent years.