- Exactly like the software systems, you will need a PC with a set of speakers and a microphone. You can have a regular full duplex sound card for gaming etc. Good Internet telephony PC cards co-exist quite happily with modern sound cards. Some people find it useful to buy a set of light weight headphones with a microphone attached similar to those used by switchboard operators.
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- In essence these cards come in all the modern formats like PCI and ISA. They filter out echo and buzz. They take load off your main processor by having their own on board processors which enhance speed and audio clarity.
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- Good cards work with most of the proprietory software like Net2Phone and Iconnecthere. Some of them use their own software. In principle you should only buy VOIP enhancement cards that work with a variety of software. Quicknet is a good example of such a card.
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- The cards typically have an RJ11 phone jack built into them so that you can connect a regular telephone directly into them. They also have speaker and microphone ports.
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- The street price for cards is currently around $120 for a low end card going upto $250.
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- You can significantly improve the quality of your transmission and reception by installing a VOIP enhancement card in your PC. This card enhances the voice transmission by using high compression technology which improves speed and reduces echo.
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