Mail.Ru Agent is one of the most popular instant messengers (also includes ICQ-protocol). 9 million people use Mail.Ru Agent monthly and more than a million users are online simultaneously every single minute. Mail.Ru Agent will help you to stay in touch with your old friends and make new acquaintances. It opens wide opportunities to interesting and emotional online communication.
With the Mail.Ru Agent you are always able to use following communication options:
instant messages;
free SMS to mobile phones;
voice communication;
videocalls of high quality;
calls to any phones all over the world;

Home Page - http://agent.mail.ru/