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What is VoIP and, how is it different from PSTN?

Jan 30th, 2010 06:25
john mart, Hindusthan Jobs, [email protected] [email protected], Thomus marcony, i can do it, Maneet Puri, http://www.onlineseosolution.com


VoIP is the abbreviated form of Voice over Internet Protocol which is
also known as IP Telephonoy, Internet Telephony, Broadband Phone,
andVoice over Broadband. It is the latest technology which uses internet
or any other IP-based network to route the voice conversation. 
While the traditional PSTN uses circuit switching technology wherein
there is a dedicated circuit that remains open till the end of the
conversion between the caller and the receiver, the VoIP calls travels
over a packet-switched network where voice signal is digitized and split
into small portions which are then sent through a series of routers
until they reach the recipient.
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