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Dec26
VoIP is getting close, but it's still not as good as traditional phone service
Andrew Taub December 26, 2007
Know More: Network Services voip
Even with recent improvements in technology, VoIP phone users in the U.S. are still experiencing significant sound quality and audio delay problems, according to a recent study by performance monitoring company, Keynote Systems.

 

The study measured 12 major VoIP and digital phone providers in terms of service availability, call completion rates, and audio delay, and found that although these services have improved in recent years, they still fall behind traditional landline carriers.

 

Most cable VoIP phone providers now have audio delay times of less than 150-milliseconds, according Keynote, rendering them more or less unnoticeable. Non-cable VoIP providers measure delays of between 149- and 279-milliseconds, however, and most have call disconnection rates of more than 1%.

 

The study was carried out by making more than 125,000 calls between New York and San Francisco over a month. It is Keynote’s fourth study comparing VoIP providers with Public Switched Telephone Networks in terms of call quality.

 

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