The distance is irrelevant: If you call a confrere a floor below you or if you communicate with a partner on another continent, the sound quality of the new E20 beats your normal office-phone. The advantage over the office-phone is the visual component. A quick phonecall as well as a meeting for a length of time with the E20 is always be in progress by face to face. Missunderstandings shall be reduced and this is positive for your confidence building.

The 5 megapixel camera of the system is on the same eye level with the user and enabled the frontal exposure of the user. Thereby the eye contact with your partner is improving. The problem of other video-phones which only often show just a little sector/detail or which tend to optical destortions are a thing of the past.
Because of the high resolution and the 10.6 inch big LCD widescreen monitor you can also quite cleary see the mimic and body language of your dialog partner on a nonverbal level.