DIY VoIP: The days of complete rip-and-replace VoIP installations may be waning, as open-source VoIP options (like Asterisk) and more mingling between traditional PBX vendors and VoIP vendors make for a more even playing field. If you're considering trying your hand at open-source VoIP -- or want to know more about how it all fits together -- we've got everything you need to know in this special report. Be sure DIY VoIP: The days of complete rip-and-replace VoIP installations may be waning, as open-source VoIP options (like Asterisk) and more mingling between traditional PBX vendors and VoIP vendors make for a more even playing field. If you’re considering trying your hand at open-source VoIP — or want to know more about how it all fits together — we’ve got everything you need to know in this special report. Be sure to read Test Center Senior Contributing Editor Paul Venezia’s tale of deploying his own Asterisk platform (a process he’s mentioned a couple of times on his blog). And don’t miss his screencast demonstrating how to use Trixbox 2.0, which combines Asterisk and a “whole bunch” of management tools.Apps on the go: Randy Kennedy is dubbing PortableApps.com a “stealth technology” for its ability to become a potential app virtualization aide. Do you agree? Learn more about PortableApps.com and post your comments on the Enterprise Desktop blog.Catching up with IBM Rational: Martin Heller got an update on IBM Rational’s road map and their work on Jazz, a project that’s “about integrated, globally distributed, Web-centric life-cycle development, with an emphasis on governance.” Read more on the Strategic Developer blog. Technology Industry