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BILL DOUSKALIS holds a BSEE and MS in Mathematics and has been designing, developing, deploying, and troubleshooting network equipment and systems for over 20 years. He has worked extensively with leading telecommunications companies, including AT&T Bell Laboratories; Sprint, where he worked on the state-of-the-art ION Network; and Global Crossing, where he is serving as consulting member of the VoIP architecture team. Bill has also consulted with leading test equipment manufacturers such as Agilent Technologies.