Release 10 of Yahoo! Messenger implements Global IP Solutions’ GIPS VideoEngine to enable new high-quality video calling. Since early 2006, GIPS has provided the underlying voice technology for Yahoo! Messenger, allowing friends, family and colleagues to communicate. 
“With the launch of Yahoo! Messenger 10, we’re allowing people to instantly communicate with friends and family around the world through new interactive and social features like video calls,” said Dave Merriwether, senior director of Yahoo! Messenger.
http://messenger.yahoo.com/winbetahttp://www.gipscorp.com