Patent ID: 8081205

Claim:
An end station comprising: a controller configured to form a connection to a conference via exchanging a series of call control messages with the conference, where the series includes at least one request that the conference send to the end station at least one video stream, where at least one of the requests specifies a video policy for the requested video stream, and where the video policy controls which source of video streams is selected from the requested video stream, and wherein the end station is configured to identify a roster of participants having an associated roster identifier (ID), and wherein the end station is configured to select a first video stream based on a first roster ID, and to select a second video stream corresponding to a current speaker or a previous speaker of the conference; a transmitter configured to send outgoing call control messages to the conference; a receiver configured to receive incoming call control messages from the conference and to receive each of the requested video streams that are sent from the conference; a decoder configured to decode each received video stream into a decoded video stream; and a display configured to simultaneously display each decoded video stream.