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IP Telephony: Packet Based Multimedia Communications Systems Book
Voice communications over the Internet--particularly the direct, sender-initiated kind--haven't yet taken off but lots of smart people say Internet telephony is going to be huge before long. In IP Telephony, three experts on getting voice signals from here to there, intact, via Internet Protocol (IP) networks hold forth on the state of the art. Like Voice over IP (VoIP) itself, their discussion is largely academic. Rather than show how to implement VoIP with any of the tools available for that purpose, the authors put most of their effort into elaborating on the specifications that govern (or at least aspire to govern) Internet telephony. It's an approach that IP telephony software developers will appreciate. The denseness of the prose in this book is offset by high-quality conceptual diagrams. In particular, the timelines do a great job of explaining signal sequences, and flow charts communicate logical processes effectively. In the sections on the mechanics of converting sounds into bits (which are loaded with equations and other descriptions of algorithms), the discussion of the phenomena that cause signals to degrade is especially clear. As a whole, IP Telephony is a good description of a developing technology. --David Wall, amazon.comRead More
from£N/A | RRP: * Excludes Voucher Code Discount Also available Used from £N/A
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Foyles
Internet Telephony is a technology which provides a cheaper alternative to phone networks at the end of the 20th century. This text is a practical, technical overview...
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Pickabook
Olivier Hersent, David Gurle
- 0201619105
- 9780201619102
- Mr Olivier Hersent
- 6 January 2000
- Addison Wesley
- Hardcover (Book)
- 456
- 1
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