METHOD, DEVICE AND SYSTEM FOR VIDEO CALL ESTABLISHMENT AND VIDEO SWITCH

摘要

The invention discloses a method for setting up a video call, comprising: a video replacement server receiving a video call request sent from a first terminal; the video replacement server setting up a conference connection to a media server according to the video call request; the video replacement server sending the video call request to a second terminal; the second terminal setting up a video call with the first terminal according to the video call request. The invention achieves video replacement by way of controlling the media server to broadcast a preset video file to the terminals on a video call using the video replacement server according to the replacing instruction input by the terminal, thus meeting the requirement of users for not wishing the home-side video to be seen by the opposite side.