Over at Ars Technica, author Gilad Shaham has started a series of posts about the SIP protocol. So far the two installments are: Wired for sound: how SIP won the VoIP jQuery(document).ready(function($) {$(‘#9b18804e1d6c2bb047860093d684a8d5′).mousedown(function(){$(‘#9b18804e1d6c2bb047860093d684a8d5′).attr(‘href’,”http://www.123linkit.com/api/new_click?cjkey_id=33132&blog_id=407&sid=B407P100309″);});$(‘#9b18804e1d6c2bb047860093d684a8d5′).mouseout(function(){$(‘#9b18804e1d6c2bb047860093d684a8d5′).attr(‘href’,”voip”);});}); protocol wars VoIP in-depth: An introduction to the SIP protocol, Part 1 The first article gives some background about SIP and goes [...]