The present invention is a system and a method for providing a control unit for a multipoint multimedia/audio conference that enables one or more participants to take part in more than one conference simultaneously. The control unit can operate in audio and/or video sections of an MCU and/or Management...http://www.google.co.uk/patents/US20020188731?utm_source=gb-gplus-sharePatent US20020188731 - Control unit for multipoint multimedia/audio system
