Marriage of VoIP and wi-fi is a match made in heaven, now many big companies have adopted VoFi, significantly reduced the long-distance telephone, even if the sound quality is not always able to with plain old telephone (POTS) quality, but at least not far, fortunately, in cable VoIP, processing unstable phenomenon of packet transmission technology has solved the quality problems, the reason will appear quality problem, often because the abnormal problems in Internet, or local area network congestion caused by the high number of data traffic, so I can't prioritize VoIP applications,
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