Patent ID: 9462229
Filing Date: 2016-10-04
CPC Classification: H04N

Claim Text:
1. A method for expanding participants of a multiparty video conference service into a number of ports which are more than provided in an MCU by a multipoint conference unit (MCU) gateway, the method comprising: physically connecting the MCU gateway with an MCU through a physical port, wherein the MCU gateway is connected with a first plurality of terminal devices in a wired or wireless manner; first receiving, by the MCU gateway, a sound signal level of each of the first plurality of terminal devices sensed by microphones provided in the first plurality of terminal devices, respectively, thereby receiving a plurality of sound signal levels, the sound signal level indicating only a sound magnitude without speaking contents; selecting, by the MCU gateway, one terminal device among the first plurality of terminal devices as a speaking terminal device based on the plurality of sound signal levels; requesting, by the MCU gateway, the speaking terminal device to transmit speaking contents input into the speaking terminal device; second receiving, by the MCU gateway, the speaking contents only from the selected speaking terminal device, in response to the request to the selected speaking terminal device; and transmitting, by the MCU gateway, the received speaking contents which is transmitted to a second plurality of terminal devices connected with the MCU, through the physical port.