Not CURRENTLY blocked by BTL... so check it out.http://www.tokbox.com
Free video chat - No cost. No prepaid minutes. Really free.
No downloads - Talk through your browser. No chat client needed.
Tokbox is a free service that lets you talk with your friends over live video. Here's how it works: you sign up and we give you a link. When you want to talk with anyone, just give them the link - they click and you chat.