Support Session Defaut Join Mode

By default, when creating a new support session, the join mode is always defaulted to "invitation only". Our company always uses the "secure code" method. Is there a way to make the default join mode "invitation only" or let the admin choose the default join mode? Could you also please include the secure code value, by default in the application windows header when the name of the session is? It always get covered up during a session.