A video conferencing method is provided in a system for managing voice and data communications to a plurality of users. Computer data is communicated between the system and one of a plurality of computers coupled to the system over one or more packet buses. Voice data is communicated between the system and one of a plurality of telephone devices coupled to the system. The voice data is coupled to a TDM bus in the system, and the voice data and/or the computer data are coupled from the TDM bus to a digital transmission link. Video and audio data are coupled between the system and a video conferencing unit and coupled to the TDM bus. The video and audio data are coupled from the TDM bus to a digital transmission link of the telecommunications network. A video conference participant participates in a video conference with the video conferencing unit over the digital transmission link, while concurrently a user participates in a telephone call with one of the telephone devices over the digital transmission link.