Oh, to be able to communicate telepathically over vast distances of space... Has this problem hampered your efforts in the past? Fear not, for now your troubled days are over once you install this state of the art telepresence unit in your favorite starship! Simply attach it to the wall at a comfortable height, slip your head inside, and prepare to converse with any other telepathic being within a few light years.
From the Star Trek Enterprise episode "The Aenar" comes this screen-used set piece. It was used not only by the Aenar character Jhamel, but also by T'Pol.