Skype 4.0 released, with full-screen video calling

Skype today announced the launch of Skype 4.0 for Windows, a new version offering full-screen video calling, clearer call quality and a tweaked interface in addition to to program's bread-and-butter services such as free voice and video calls to other Skype users, instant messaging, SMS, and calls to landlines and mobile devices at low rates.
Welcome improvements for the program, which is growing in popularity among business users.
The company also says call quality is substantially improved, and a new audio codec achieves wideband audio quality using 50 percent less bandwidth than previously required, the company says. It also introduces super wideband audio that "delivers crystal clear, richer and warmer sound to those using a compatible headset and a high quality broadband connection." The bandwidth manager interacts with the codec to adjust quickly to fluctuating bandwidth conditions to produce the most reliable sound, according to the company.