Chapter 5 : Messaging Systems: Facsimile, Voice Processing and Electronic...
Fax-on-Demand (FOD) Fax-on-Demand (FOD) is a relatively new integration of voice processing and facsimile. FOD involves a voice processing front-end that answers the call, prompts the caller to select...
View ArticleChapter 6 : Public Switched Telephone Network (PSTN) (Page Three)
Numbering Plan Administration (NPA) In order for any telephone to connect to any other telephone in the world, there must be in place a carefully developed and administered numbering plan. or logical...
View ArticleChapter 6 : Public Switched Telephone Network (PSTN) (Page Five)
National National regulation is critical in most areas of the world, although less so in the case of the EC member nations, which have ceded a good deal of this privilege to the regional authority. For...
View ArticleChapter 6 : Public Switched Telephone Network (PSTN) (Page Six)
Regulation traditionally has focused on voice network services, as they certainly are more basic and necessary than are data and other services, although this posture now can be argued and particularly...
View ArticleChapter 8 : Conventional Public Data Networks (PDNs) (Page Two)
Data Over Voice Networks The next step in the evolution of networking was that of data transmission over voice networks. In the late 1950s large organizations in North America wanted to move data over...
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Kids Playing for Sciences
Daniel Kunkle spent most of his time at the College with a colorful puzzle like Rubik’s Cube. And for 20 years, Jonathan Schaeffer, worked to win in checkers. The two researchers are not Goofing off....
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Kids Sciences: Math is a Real Brain Bender
Do not if it takes forever to wrap your brain in the calculation. Requires the mastery of arithmetic major reorganization in how the brain works. As children grow, the parts of the brain, math problems...
View ArticleChapter 7. How the Domain Name System (DNS) Works
The heart of intranets and the Internet is the Domain Name System (DNS), the way in which computers can contact each other and do things such as exchange electronic mail, or display Web pages. The...
View ArticleChapter 4 : Voice Communications Systems: PBX, ACD, Centrex, and KTS (Page...
Centrex As a concept, Centrex (central exchange), is something of a step back in time, providing PBX-like features through special software loaded into the Central Office Exchange. Generally speaking,...
View ArticleChapter 8 : Conventional Public Data Networks (PDNs) (Page Seven)
Channel Service Units (CSUs) and Digital Service Units (DSUs) Discussed at length in Chapters 2 and 7, DSUs are devices which, in combination, interface the user environment to the digital network at...
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