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Rating: 
Summary: Good for a Beginner
Review: Bought the book to get in the ballpark on VoIP ( knew it was phone calls over the internet but not much more). Now I've got a lot better picture of how the VoIP forest is layed out. Terms like H.323, codec, Gatekeeper, RTP, and RTCP are no longer Greek to me.Chapters 1&3 more management oriented (I'm a developer): market trends and costs/benefits of VoIP. "WebLine" VoIP example way too complex (detailed) for the 3rd chapter. But rest of book (Ch. 4-7) was GREAT! Clear, well organized overview of the VoIP building blocks and how they work together. Also, tons of tips on where to go for more info!
Rating:
Summary: Good for a Beginner
Review: Bought the book to get in the ballpark on VoIP ( knew it was phone calls over the internet but not much more). Now I've got a lot better picture of how the VoIP forest is layed out. Terms like H.323, codec, Gatekeeper, RTP, and RTCP are no longer Greek to me. Chapters 1&3 more management oriented (I'm a developer): market trends and costs/benefits of VoIP. "WebLine" VoIP example way too complex (detailed) for the 3rd chapter. But rest of book (Ch. 4-7) was GREAT! Clear, well organized overview of the VoIP building blocks and how they work together. Also, tons of tips on where to go for more info!
Rating:
Summary: A great introduction
Review: This book provides an easily readable introduction to Voice over IP. It assumes little prior knowledge of the reader on the subject, and provides a particularly good introduction to the Internet Protocol, before launching into the specific details of transporting voice over IP. A broad range of subject matter is covered, although the sections on implementation and Quality of Service are a little weak. Nevertheless, many sources of further research are offered. Written in a clear and unassuming style, we recommend this book highly.
Rating:
Summary: A great introduction
Review: This book provides an easily readable introduction to Voice over IP. It assumes little prior knowledge of the reader on the subject, and provides a particularly good introduction to the Internet Protocol, before launching into the specific details of transporting voice over IP. A broad range of subject matter is covered, although the sections on implementation and Quality of Service are a little weak. Nevertheless, many sources of further research are offered. Written in a clear and unassuming style, we recommend this book highly.
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