"The voice quality has been kicked up a notch so that these phones can be used as conference room phones," Dzubeck said.

A typical phone reproduces audio at 3Khz -- significantly less than the 7Khz, AM-quality audio that these phones produce.

Also the handset, headset, and speaker phone are all wideband.

"Traditional phones cut off high-frequency, high-fricative content, like the S and F sound," Seghatoleslami said.

These phones will faithfully reproduce both the high-frequency and low-end sounds, which is a challenge in most VOIP phones, according to Seghatoleslami. This higher quality makes them excellent for international calls.