More and more businesses today have their receive phone service through Internet instead of local phone company lines. Many businesses are also using their inte

Based on real-world experience, this handy solutions manual addresses the most common VoIP migration challenges. Find out how to build your own VoIP system, ins

"A system administrator's guide to VoIP technologies"--Cover.

Understand how new network technologies impact VoIP! Voice over Internet Protocol (VoIP) is revolutionizing the way people communicate – both in the corporate

Translates technical jargon into practical business communications solutions This book takes readers from traditional voice, fax, video, and data services deliv