The invention relates to a video communication method and relative system, wherein when the called and calling users process video communication, the integrated media resource server can play video to the called or calling one; or when the calling user starts the video phone calling request to the called, and the called user do not support video phone, the invention can build the sonic channel between them and build the video channel between the calling user and the integrate media resource server; when the called and calling users process sonic conversation, the server can play video to the calling user; or when the called and calling users process sonic and video communication, one of them will replace the video into the video played by the server to the opposite one. |