Presents the answers to configuration and troubleshooting problems, both basic and advanced concepts. Designed to get your voice over IP networks up and running. DLC: Internet telephony.

"This book covers a wide spectrum of topics relevant to implementing and managing a modern data center. The chapters are comprehensive and the flow of concepts is easy to understand." -Cisco reviewer Gain a practical knowledge

Voice over Internet Protocol (VoIP) is gaining a lot of attention these days, as more companies and individuals switch from standard telephone service to phone service via the Internet. The reason is simple: A single network to carry voice and data

More and more businesses today have their receive phone service through Internet instead of local phone company lines. Many businesses are also using their internal local and wide-area network infrastructure to replace legacy enterprise telephone

UNDERSTANDING IPV6

What once seemed nearly impossible has turned into reality. The number of available Internet addresses is now nearly exhausted, due mostly to the explosion of commercial websites and entries from an expanding number of countries. This growing

IPv6, the next generation Internet Protocol, has been in the works since the early 90s when the rapid growth of the Internet threatened to exhaust existing IP addresses. Drawing on 20 years--operational experience with the existing protocol (IPv4),

Put your phone system on your computer network and see the savings See how to get started with VoIP, how it works, and why it saves you money VoIP is techspeak for "voice over Internet protocol," but it could spell "saving big

VoIP Telephony with Asterisk is the best-selling introduction to the leading open source PBX software. You'll learn how to provision telephony, install and compile Linux and Asterisk, and configure an Asterisk dial plan for both analog and SIP

Authorized Self-Study Guide Cisco Voice over IP (CVOICE) Third Edition   Foundation learning for CVOICE

"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

In 1999-2000, VoIP (Voice-over-IP) telephony was one of the most successful buzzwords of the telecom bubble era. However, in 2001-2003, VoIP faced a very tough reality check. Now, manufacturers and service providers are drawing on what they have

VoIP SAVINGS AND FLEXIBILITY! TELEPHONE-LINE QUALITY?

Despite the features that make Voice over IP so attractive from the standpoint of cost and flexibility of telephone services, businesses will only adopt it once they¡¯ve determined whether, and under what circumstances, the quality of VoIP will be satisfactory to users. In these pages you¡¯ll find everything you need to know to answer those questions, both now and in the future as other packet-switched voice services emerge.

TCP/IP by Sidnie Feit has sold over 20,000 copies in its previous two editions. We want to capitalize on their success with an updated paperback edition called "The Signature Edition." The Signature Series is reserved for our top selling

The Perfect Reference for the Multitasked SysAdminThis is the perfect guide if VoIP engineering is not your specialty. It is the perfect introduction to VoIP security, covering exploit tools and how they can be used against VoIP (Voice