System and method for discovering videoconferencing systems. A first videoconferencing system may contact a known second videoconferencing system. The first videoconferencing system may receive contact information of one or more other videoconferencing systems from the second videoconferencing system. The first videoconferencing system may send a request signal to a third videoconferencing system of the one or more other videoconferencing systems. The request signal may use the contact, wherein the first videoconferencing system sending the request signal uses the contact information of the third videoconferencing system. The first videoconferencing system may receive a response from the third videoconferencing system, and the response may include information regarding the third videoconferencing system.