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We find that when customers have sufficient bandwidth to operate the service correctly, they experience excellent call quality.

When a call is made, the voice stream is encoded into a digital signal using a codec. There are two commonly used codecs, g711a and g729a. With a g711a call, the quality achieved is identical, if not better than a normal phone call on the public network, but the bandwidth used in each direction is approximately 80Kbps.

With the g729a codec the call quality is just as good, except that the bandwidth required is only 31Kbps. Almost a third of what g711a requires. YakYak VoIP makes use of the g729a codec and allows us to get maximum call quality over even leanest of broadband connections.

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