So if you're a network professional who is migrating from a traditional telephony system to a modern, feature-rich network, this book is a must-have.

This book provides legal and law enforcement practitioners with information about telephone company inner workings, their networks, and operation.

More and more businesses today have their receive phone service through Internet instead of local phone company lines.

This is a practical guide for business and IT managers on implementing a Voice over IP telephone system

If you love to tinker and optimize, this is the one technology, and the one book, you must investigate.

VoIP For Dummies explains in simple terms all the current options for converging a network, however big or small, to operate with VoIP.

This book explores these new technologies, providing practical information and advice and guiding businesses toward appropriate solutions.

This latest edition covers high-speed data and Internet service, wireless communications, and frame relay with voice over frame. 400 Illustrations. Voice and data technologies are expanding exponentially!

/*0-13-060890-4, 6089K-7, Cole, Marion, Introduction to Telecommunications: Voice, Data, and the Internet, 2/E*/" This book provides a comprehensive overview of telecommunications technologies, with an emphasis on voice, data, and the ...