The term used to describe a set of technologies, such as high definition
audio, video, and other interactive elements that enable people to feel or
appear as if they were present in a location which they are not physically
in. Used mainly as a collaboration tool, telepresence is used by vendors,
including Cisco to help create a more "in person" meeting experience over a
converged network. Telepresence differs from
videoconferencing as it offers face-to-face interactions between the
people in the meeting through the transmission of life-size, high-definition
images and audio.