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Web site contents copyright © Bill Douskalis, 2005. Last updated on 12/30/2005 |
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Bill’s pages on Mathematics, Physics, Science and other disciplines.
Click on the bookworm to read the ACT press release on Bill’s panel participation in the national NAEP forum representing Fairfax County Public Schools for setting 2005 national standards for 12th grade mathematics. NAEP, also known as the Nation’s Report Card, is a body authorized by the US Congress since 1969. It is the only nationally representative and continuing assessment of what America's students know and can do in various subject areas.
Best of luck to my 2005 classes in their December TJHSST admission test! |
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Note: No unsolicited email originates from this web site for any reason whatsoever. |
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Technology education corner Being exact is an art and a science Personal web page of Bill Douskalis |
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For more information on the status of Emergency (911) dialing over commercial VoIP lines, the FCC tips page on VoIP and 911 is a good place to start.
The FCC also offers general Consumer Alerts and Facts in Telephony, Broadcasting, Internet, Radio, etc. |
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Bill’s two books are still the most comprehensive treatment of Voice over IP with real life call flows and live measurements. Not the easiest books to read, but neither is the technology...Now that the protocol wars are over, learn about Fax over IP and all the core VoIP protocols, SIP, MGCP, Megaco, H.323, etc.…and most important…learn why and how…
In the libraries of major Universities in the US and around the world. IP Telephony, a best-seller in 2000, also translated into Chinese.
Available on Amazon.com and major bookstores. |
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Other publications (off site)
1. Protocol Interoperability and VoIP performance. 2. Testing Challenges in Packet Telephony. 3. Now Hear This (voice quality measurement in VoIP).
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