Cable VoIP calls clearer than landlines?
Thinking about ditching that landline? Are those VoIP options — especially the free ones — looking more and more attractive? Keynote Systems, a globally respected internet and communication testing company, has completed a ridiculously thorough investigation on the true audio quality that can be had using VoIP (within American borders), and the results are quite intriguing. To test call quality and remove human error / bias, they had automated machines in apartments nearly 3,000 miles apart call one another 125,000 times throughout the month of August, play a 30 second clip, and let an audio analyzer handle the rest. VoIP hard / soft phones, digital cable VoIP phones, and traditional landline phones were all tested and compared, only to discover that cable company-provided VoIP phones that utilized PacketCable — an IP multimedia transmission system optimized for coax — scored a whopping 4.24 MOS (mean opinion score), trouncing the 4.0 found in traditional phone networks.
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