Method for extending participants of multiparty video conference service

摘要

Provided is a method of extending participants of a multilateral video conference service. The method includes: receiving, by a multipoint conference unit (MCU) gateway connected with an MCU through at least one physical port and connected with a plurality of terminals in a wired or wireless manner, information on a signal level of sound sensed by microphones provided in plurality of terminal devices from plurality of terminal devices, respectively, selecting, by MCU gateway, one terminal device among plurality of terminal devices as a speaking terminal device based on the received signal level, requesting, by MCU gateway, speaking terminal device to transmit speaking contents input into speaking terminal device and transmitting, by the MCU gateway, speaking contents received from speaking terminal device in response to transmission request to the MCU through at least one physical port.