This video will help you to build your own VIDEO CHAT which you can customize the way you want. Just copy paste. Its uses WebRTC. Very simple code.
Link to the code : http://pastebin.com/y25keqGE
About the variable roomToJoin = You can change the variable name to something that is unique, and give the same unique code to your friends so that you can video chat. All the users who have the same value of roomToJoin will connect to each other.
KEEP CODING.