VIDEO CHAT SERVICE CONTROL METHOD AND VIDEO CHAT SERVICE DEVICE

摘要

A video chat service device comprising a video chat device, a spare video chat device, a switching device, and a control device. The video chat device communicate signals necessary for a video chat with a plurality of user terminal units. The control device links the switching device with the spare video chat device when determining that abnormality of the video chat device is generated, and continues the processing of the video chat by controlling the spare video chat device.