Patent ID: 9065667
Filing Date: 2015-06-23
Classification: H04L

Abstract:
1. A video conference system, comprising: a Multi-Conference Unit (MCU) to communicatively couple plural endpoints in a video conference, the MCU including, a video input that receives plural video data streams including video data from the plural endpoints, a first presentation input that receives a first presentation data stream including presentation data from a first endpoint, a second presentation input that receives a second presentation data stream including mark-up data from a second endpoint, wherein the mark-up data is an input made by a user with reference to the first presentation data, a processor that combines the data in the plural video data streams, the presentation data stream, and the mark-up data to produce a combined data stream, and an output that transmits the combined data stream from the MCU to at least one of the plural endpoints connected to the video conference, wherein the at least one of the plural endpoints receiving the combined data stream includes two display devices, and a first device of the two display devices displays the video data from the combined data stream and a second device of the two display devices displays the presentation data from the combined data stream.