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The authors do a great service for readers by breaking packet telephony into its component technologies and explaining each one carefully. Coverage of the various protocols that enable voice over IP, particularly H.323 and Session Initiation Protocol (SIP), is simultaneously clear and deep. The same goes for media gateway protocols and various schemes for translating sounds into digital signals and back again, while retaining maximum clarity. There's even some practical material; concluding chapters diagram Cisco router configurations for voice traffic and flesh out solutions with case studies.
You'll like this book if you need to implement a voice over IP system and know more about IP than you do about traditional voice telecommunications. The patient and detailed explanations of traditional telephony concepts and voice over IP protocols will mesh nicely with your existing data communications knowledge, enabling you to make wise design and product decisions. --David Wall
Covered topics: The Public Switched Telephone Network (PSTN), signaling specifications (including Bell System, ISDN, and Signaling System 7), the basics of Internet Protocol (IP), modulation and compression of voice, Quality of Service (QoS), H.323, Session Initiation Protocol (SIP), and gateway protocols. Business considerations of Internet telephony are also addressed.
A systematic approach to understanding the basics of Voice over IP
* Understand the basics of PSTN services and IP signaling protocols, including SS7
* Learn how VoIP can run the same applications as the existing telephony system, but in a more cost-efficient and scalable manner
* Delve into such VoIP topics as jitter, latency, packet loss, codecs, quality of service tools, and mean opinion scores
* Learn about the functional components involved in using Cisco gateways to deploy VoIP networks
Voice over IP (VoIP), which integrates voice and data transmission, is quickly becoming an important factor in network communications. It promises lower operational costs, greater flexibility, and a variety of enhanced applications. Voice over IP Fundamentals provides a thorough introduction to this new technology to help experts in both the data and telephone industries plan for the new networks.
You will learn how the telephony infrastructure was built and how it works today, the major concepts concerning voice and data networking, transmission of voice over data, and IP signaling protocols used to interwork with current telephony systems. The authors cover various benefits and applications of VoIP and how to ensure good voice quality in your network.
This book is part of the Networking Technology Series from Cisco Press, which offers networking professionals valuable information for constructing efficient networks, understanding new technologies, and building successful careers.
The material in the book is rather inconsistent and irrelevant to the study guide.Published 16 months ago by iLLiad1213
Not a good book at all for starter's. I am basically interseted in routing switching and wanted to learn about voip. But this book didnt help to arouse any interest in voice.Published 21 months ago by Gaurav Yadav
I like it, but kinda outdated. Worth the money for knowledge acquired. I will recommend it to a friend.Ok, good!Published 22 months ago by EC
It covers all the IP Voice for Cisco technologies. It is good to read for future CCVP or IP Telephony experts. Read morePublished 23 months ago by Gialias Nick
Voice over IP is amasing, I wuold recomend it to every one that are taking the Voice over IP course.Published on October 13, 2013 by Alexander Sealey
This book is not a fundamentals guide to VoIP. While it contains a wealth of information, it is poorly organized and goes into far too much depth for what is supposed to be a... Read morePublished on March 22, 2012 by Kindle Customer
The book was really in a good situation. There are sime highlighted lines and pages, but in general it is very clean. Read morePublished on November 20, 2011 by Nina
I was looking for a book on the fundamentals of VoIP. I had high expectations for this book because I am a big fan of Cisco Press. Read morePublished on March 21, 2010 by MPRPLIB