The tabletop display of the TP3206 cannot be closed by pressing the button. The display can be opened normal by pressing the button once. However, it can be closed only by pressing and holding the button. If the button is released when the display is being closed, the display stops rotating downwards.
Log in to the telepresence host through the web interface. Right-click the tabletop display button and choose configurition from the shortcut menu to set the closing action of the tabletop display to "press" or "press and hold".