Videoconferencing is a type of groupware where a set of interactive telecommunication technologies allows people in two or more locations to interact via two-way video and audio transmissions simultaneously. Videoconferencing uses telecommunications of audio and video to bring people at different sites together for a meeting. Videoconferencing has applications in the legal field also. Testimonies of individuals who are not able to attend the physical legal settings can be obtained via video conferences. Videoconferencing of supervised release revocation hearings is not permitted under the Federal Rules of Evidence. Videoconferencing is also known as video teleconference.