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"This book is like a good tour guide. It doesn't just describe the major attractions; you share in the history, spirit, language, and culture of the place. " --Henning Schulzrinne, Professor, Columbia University Since its birth in 1996, Session Initiation Protocol (SIP) has grown up.
For more than a decade the networking industry has been creating new technologies that bring high speed to every kind of network. Networking technology professionals have struggled to choose the right collection of technologies from this menu to meet their specific needs.
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