Yes, supernodes are used to negotiate the communication trough NATs, the method's called UDP hole punching: http://www.google.com/search?num=100&hl=en&q=skype+n

Yes, supernodes are used to negotiate the communication trough NATs, the method's called UDP hole punching: http://www.google.com/search?num=100&hl=en&q=skype+nat+udp+hole+punching http://www.google.com/search?num=100&hl=en&q=skype+n...