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Title: Voice & Data Internetworking by Gil Held, Gilbert Held ISBN: 0072131837 Publisher: McGraw-Hill Osborne Media Pub. Date: 29 May, 2001 Format: Paperback Volumes: 1 List Price(USD): $55.00 |
Average Customer Rating: 3.17
Rating: 2
Summary: His concept of IP was a nightmare
Comment: The author's background explanation of IP was a nightmare.
His insistance that UDP is a member of the TCP/IP protocol suite is such a skewed perspective that it made me wonder if he had any competence with IP at all and made me suspicious of the remainder of the material. If he held this viewpoint for some reason (historical, or otherwise and not simply complete ignorance of the subject matter) I somehow missed that.
The editing was atrocious, which didn't help at all.
The author provides his e-mail to give comments and feedback, which I tried to do when I found that I had so many notes and errata that I was having trouble writing them all down in the book's jacket. However the e-mail addresses given for the author are no longer working. (Perhaps wisely!)
The first 3 chapters were a garbled intro to IP.
The sections on speech production and digitization in Chapter 4 were very good. Chapter 5 on telephony was a good chapter. Chapter 6 included a nice simple explanation of SIP.
Chapter 7 was about VoIP equipment which is probably OBE.
Chapter 8 was a complete joke. Explaining ping and traceroute, which should probably have been covered in the beginning sections on IP, but which most likely was boiler plate from other publications by this author.
I got this book free from Cisco and it was worth every penny.
Rating: 5
Summary: A very practical book
Comment: I normally do not write reviews but when I noted a person said this book was for a 'housewife' and gave it one star I thought something was amiss. I found this book to be very practical, with numerous examples that show 'how to do it.' I purchased other books on this topic and found them to be filled with standards literature from the ITU. Thus, I was perplexed how someone could rate this book with one star when its significantly better that the others that spend most pages repeating ITU specifications.
Rating: 1
Summary: This book is not for you unless you're a high-school student
Comment: This book trys to use simple language to explain many complicated topics, and it fails to expain well. The author is knowledgable on telephone operations, but other than that, don't expect to learn anything from this book. I want to learn more about VOIP/ATM, H.323, CELP, but I feel very very disappointed after read through the whole book. If you're a design engineer, don't expect to learn angthing from it. If you're a high school student, or a household wife, this may be a good book.
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