A complete IP Telephony migration planning guide Includes Steps to Success Poster It's everyone's "must have." This is a reference book for the entire project t

Understand and develop an IP telephony strategy that saves money and provides new services and network efficiencies. Readers will learn the difference between I

The real-world guide to securing Cisco-based IP telephony applications, devices, and networks Cisco IP telephony leverages converged networks to dramatically re

Extensively examining IP telephony from the service provider's perspective, this book addresses the problems and possibilities associated with the future of tel