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Title: VoIP

Essay Details

Subject: Technology
Date: January 17, 2001
Length: 8 / 2357
No of views: 0
Essay rating: good 0, average 0, bad 0 (total score: 0)

Essay text:

Now let's take a walk on the more detailed side of what VoIP is and how it works. First and foremost, VoIP is an emerging technology still in the early stages. A personal computer (PC) must capture an analog voice and convert it to a digital signal, compress the audio with a compression-decompression (codec) device and then move it into the IP protocol stack...

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The codecs are at the heart of any IP telephony software. It is an algorithm that transforms analogue signals into digital ones and vice versa. The next step is to access the network, which is the premise modem connected to the PSTN and channeled to the Internet Service Provider (ISP) modem...

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