Sometimes this question arises. We show.
On the right is a list of rooms. One line - one room. If you click on the name of a room and there are less than 50 participants in it, you will be taken to that room.
On mobile devices, this is more complicated - on a small screen, there is not enough space for a list of rooms. Therefore, there is an additional button. By clicking on which, you can open the list of rooms.