Cisco Offering Free Instructional Book
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Free editions of Voice & Data Internetworking by Gil Held are available on Cisco Systems’ Web site for a limited time. The book explains methods of transporting real-time conversations over data networks, private IP networks, the Internet and intranets. The book is a $55 value, but is available free if you go here.
To receive this title, simply register as a 'Guest' user by filling out a small survey available at the link above. Quantities are limited.