Finding useful features such as high resolution cameras and integrated music players may sound incredibly appealing, but none of these mean anything if the phone isn't able to get good voice quality or a strong signal.
The CNET cell phone reviews from the site's editors may include a reception test in their area and include comments about the voice quality on both ends of the call, clarity of sound, and so forth.
Soft, smooth voice quality is more comforting and soothing to infants than loud, startling, harsh voices.
The receiving end decodes the signal and presents it in voice quality that's generally pretty good.
