At its heart, Amphibian is a Flash phone that can.
(In the screen shots left and right, the black rectangle is the same working Ribbit phone in two different Web settings).. And since it is Flash, the phone can look like anything, even a chalkboard, and you will be able to embed it into other sites, like your Facebook page or your iGoogle page. It is built on Adobe Flex, so an AIR version will be available as well that can sit on your desktop without your browser having to be open to the Amphibian Web page all the time. At its heart, Amphibian is a Flash phone that can call other Web-based voice clients or regular phones.
Original text search at: www.techcrunch.com/tag/ribbit/