Voice Over IP's Quality Surprise
Despite improvements, quality and reliability of VoIP calls don't match public-network calls, study finds<p>
By Paul Travis
InformationWeek
There's been a great deal of improvement in the quality and reliability of voice-over-IP calls since the early days when a computer equipped with a microphone and speakers was connected to another over a dial-up connection to make calls. The result: a barely audible sound stream filled with gaps, delays, and distortion. Now, VoIP calls are made from traditional phones over high-speed Internet connections using services from hundreds of providers, including some of the nation's largest phone companies.
Still, VoIP calls have a long way to go before they can match the quality and reliability of conventional phone calls made over the U.S. public-switched telephone network, which for more than a century has set the standard for voice calls.
By Paul Travis
InformationWeek
There's been a great deal of improvement in the quality and reliability of voice-over-IP calls since the early days when a computer equipped with a microphone and speakers was connected to another over a dial-up connection to make calls. The result: a barely audible sound stream filled with gaps, delays, and distortion. Now, VoIP calls are made from traditional phones over high-speed Internet connections using services from hundreds of providers, including some of the nation's largest phone companies.
Still, VoIP calls have a long way to go before they can match the quality and reliability of conventional phone calls made over the U.S. public-switched telephone network, which for more than a century has set the standard for voice calls.
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