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Title: IP Telephony: Packet-Based Multimedia Communications Systems by Olivier Hersent, David Gurle, Jean-Pierre Petit ISBN: 0-201-61910-5 Publisher: Addison-Wesley Professional Pub. Date: 17 December, 1999 Format: Hardcover Volumes: 1 List Price(USD): $52.99 |
Average Customer Rating: 3.29 (7 reviews)
Rating: 5
Summary: A good source for seriuos VoIP technology, for engineers
Comment: In my opinion this is a very serious descriptive book, for Voice over IP standards. I work in an chilean operator, and the book clarified me regarding the state-of-the-art of these technologies, and give me a good theoretical background.
Currently there are many confusion regarding this field, because the different proposed standards. This book cover H.323, SIP and MGCP. Although some of them were not completely published a the writing-time, the protocols are very well explained (including some message exchange between devices).
There are some chapters over Voice Coding and Quality of Service, which will be very interesting for any engineer who is planning a real deployment. Chapter 7 is for Network Planning (very useful).
This is a technical book, recommendable for engineers, with a good networking knowledge. Until now, is the most serious book I have found regarding this topic.
Rating: 1
Summary: Programmers and PHD's only
Comment: For me (non-engineer, support staff) this book was a complete waste of time. Since it was highly recommended to me by an engineer who is very knowledgeable in IP telephony, I assume that for others it can be useful. I suspect those others either should be very experienced engineers or should have PHD's in both mathmatics and IP telephony. It most definitely is not an introductory-level book.
Rating: 2
Summary: Disappointing
Comment: This book is disappointing. However, to be fair, all the books I read so far on IP-Telephony are disappointing. The problem is that this is a new and fast evolving area, it is hard to understand all facets of the technology to write a comprehensible and easily-understandable book. People who are in-the-know are probably working on very specific projects on IP-Telephony in some start-ups (meaning that they don't have time nor energy to write a book and don't know the entire field well enough to write anyway). That left people who are mostly "pretenders."
Take this book for example, it is so badly written that I doubt anyone without prior exposure to IP-Telephony can understand the material. There are so many acronyms used without proper definition, so many graphs used without meaningful captions or explanation in the text. Many descriptions in the text were copied straightly from standard documents (which are themselves not readable). And it is quite obvious that the authors do not know many of the subjects that they talk about - basically, they just "wing" it. The authors lack a global picture of how different standards relate to each other and interoperate. For example, the dscription of MGCP is so confusing it is obvious that the authors have no idea how it relates to H.323, SIP. etc.
Avoid this book. Sorry I do not have any recommendation to a good book.
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Title: Internet Telephony: Call Processing Protocols by Uyless Black ISBN: 0130255653 Publisher: Pearson Education Pub. Date: November, 2000 List Price(USD): $65.00 |
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Title: Delivering Voice over IP Networks by Daniel Minoli, Emma Minoli ISBN: 0471254827 Publisher: Wiley Pub. Date: March, 1998 List Price(USD): $60.00 |
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Title: Voice Over IP (2nd Edition) by Uyless Black ISBN: 0130652040 Publisher: Prentice Hall Pub. Date: 15 January, 2002 List Price(USD): $58.00 |
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Title: IP Telephony - The Integration of Robust VoIP Services by Bill Douskalis ISBN: 0130141186 Publisher: Prentice Hall PTR Pub. Date: 17 December, 1999 List Price(USD): $52.99 |
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Title: Voice Over IP: Strategies for the Converged Network (with CD-ROM) by Mark A. Miller ISBN: 0764546171 Publisher: Hungry Minds Pub. Date: 15 February, 2000 List Price(USD): $49.99 |
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