What are the differences between Internet telephony and traditional POTS telephone?
Internet telephony follows an architecture that is obviously different from that for POTS which provides a voice call only through the circuit switched network. Internet Telephony utilizes packet technology. These packets are sent out on the Internet. Each packet is encoded with an address, and reaches its destination independently. Packets are regrouped at the destination point, and are converted back into regular voice over telephone lines. Internet telephony allows much more information to be sent over Internet than circuit-switched networks.
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