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Essay / Research Paper Abstract
This 4 page report discusses Internet Protocol Telephony – the basics of what it is, how it has changed telecommunications, why organizations benefit from it and who are the leaders in the marketplace. Bibliography lists 7 sources.
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4 pages (~225 words per page)
File: D0_BWover.rtf
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that have been exchanged via public switched telephone network or PSTN and its dedicated circuit-switched connections. The Internet serves as the transference point and allows packets of data to move
across shared lines which then does away with the charges attached to use of the PSTN. Using the Internet, calls travel as packets of data on shared lines, avoiding the
tolls of the PSTN. The challenge in IP telephony is to deliver the voice, fax, or video packets in a dependable flow to the user. Much of IP telephony focuses
on that challenge. Currently, the primary concern for developers of IP Telephony systems is finding a way to assure that the information flow
is as consistently dependable as the phone system. The organization that successfully answers that challenge will find that it has created the proverbial "better mousetrap"! History of IP Telephony
The ability to transmit voice messages via packet technologies is thought of as the single most important technological development seen in the telecommunications industry
since the original introduction of the digital switch. Huovinen and Shuanghong (2004) of the Helsinki University of Technology explain that even though there were: ". . .
research activities of transmission of voice signals over packet networks in the late 70s and early 80s. . . . The real development in IP telephony started in 1995. VocalTec
pioneered the IP telephony market in 1995 with PC software which opened a voice connection between two PCs over IP-based network" (Internet source). Obviously, such a program would be
ideal for use with the Internet. Not surprisingly and as Huovinen and Shuanghong point out, a number of VocalTecs competitors quickly came up with their own versions of the software
...