Nope you cant do that you have to have a tardis admin to allow you to travel thereWasn't there way it can do it. From the video, those repeater (one of them) bye click-em ,set to either the OverWorld, another loc, Nether,and End. Still trying to understand the controls, and it function. Lov to add new room, but need to understand that Architectural Reconfiguration System. Shouldn't be too hard. But currently I'm making my Lab. There something, i don't want to add to the tardis. Afraid I get lockout.
Also a side-note..
If you used the Tardis Info System . make sure you exit out before you leave the tardis. It will lock you out from Chat, if you don't. And enter the World, you want be able to chat with people.