Warning: Use of undefined constant referer - assumed 'referer' (this will throw an Error in a future version of PHP) in /usr/home/essaywo/public_html/essays on line 102

Warning: Use of undefined constant host - assumed 'host' (this will throw an Error in a future version of PHP) in /usr/home/essaywo/public_html/essays on line 105

Warning: Cannot modify header information - headers already sent by (output started at /usr/home/essaywo/public_html/essays:102) in /usr/home/essaywo/public_html/essays on line 106

Warning: Cannot modify header information - headers already sent by (output started at /usr/home/essaywo/public_html/essays:102) in /usr/home/essaywo/public_html/essays on line 109
VOIP - Essays

VOIP

VoIP (voice over IP - that is, voice delivered using the Internet Protocol) is a term used in IP telephony for a set of facilities for managing the delivery of voice information using the Internet Protocol (IP). In general, this means sending voice information in digital form in discrete packets rather than in the traditional circuit-committed protocols of the public switched telephone network (PSTN). A major advantage of VoIP and Internet telephony is that it avoids the tolls charged by ordinary telephone service. VoIP is therefore telephony using a packet based network instead of the PSTN (circuit switched).
During the early 90's the Internet was beginning its commercial spread. The ...

Want to read the rest of this paper?
Join Essayworld today to view this entire essay
and over 50,000 other term papers

it into IP packets for transmission over the Internet. This "first generation" VoIP application suffered from delays (due to congestion), disconnection, low quality (both due to lost and out of order packets) and incompatibility.
Vocal Tec's Internet phone was a significant breakthrough, although the application's many problems prevented it from becoming a popular product. Since this step IP telephony has developed rapidly. This VOIP solution integrates seamlessly into the data network and operates alongside existing PBXs, or other phone equipment, to simply extend voice capabilities to remote locations. The voice traffic essentially "rides for free" on top of the data network using the IP infrastructure and hardware already in place.
This paper addresses the software, hardware, and the protocol requirements of it and how it works and the advantages and the disadvantages that it is going ...

Get instant access to over 50,000 essays.
Write better papers. Get better grades.

Already a member? Login

CITE THIS PAGE:

APA
MLA
Chicago
Turabian

VOIP. (2011, May 1). Retrieved November 22, 2024, from http://www.essayworld.com/essays/VOIP/98665

"VOIP." Essayworld.com. Essayworld.com, 1 May. 2011. Web. 22 Nov. 2024. <http://www.essayworld.com/essays/VOIP/98665>

"VOIP." Essayworld.com. May 1, 2011. Accessed November 22, 2024. http://www.essayworld.com/essays/VOIP/98665.

JOIN NOW

Join today and get instant access to this and 50,000+ other essays

PAPER DETAILS

Added: 5/1/2011 12:30:37 AM
Submitted By: mallika
Category: Technology
Type: Premium Paper
Words: 335
Pages: 2

Save |