These add additional features like multi-language support ... how easy it is to train your staff on the VoIP phone, whether there's wireless handset support, and the pricing.

A cordless phone that supports several handsets with only one base station. The advantage of such units is that the additional handsets can be more conveniently located as they require only power ...

This score reflects the tested distance a phone can maintain an intelligible conversation, make a call and receive a call. We report a score instead of a distance because range can differ greatly ...