You want to create your own independent chat room? Try to use Web base Chat Room creator named as TinyChat. With TinyChat you can create you own chat room and then you can invite you friends or colleague to chat in there. All by sending the chat room url to you friends via other IM services such YM, Gtalk, AIM or else, via Social Networking such as FaceBook, even via your Blog or email.
It support video chat by using your webcam. Its a kind of web base messenger. Therefore you don’t even need to install any kind of software or chat client. All you have to do just open your own chat room link to your internet browser: Mozilla Firefox, Safari, IE or else. It’s free.