过去10年,全球视讯技术突飞猛进,可视化通讯的市场条件和社会呼声日益成熟。时至今日,视频会议已经在政府、军事、医疗、教育和大企业集团等特殊行业和用户中有了一定的应用,但是,视频会议专网专用的现状必须得到改变,不仅大企业大集团需要可视化通讯,中小企业、家庭个人用户也是可视化通讯的需求大军,而昂贵的视频会议部署费用使这 In the past decade, global video technology has been advancing by leaps and bounds and the market conditions and social voices of visual communication have become increasingly mature. Video conferences have had some applications in special industries and users such as the government, military, medical, education and large enterprise groups. However, the status quo of video conference private networks must be changed. Not only large groups of large enterprises need Visual communications, small and medium-sized enterprises, individual users of the home is also the demand of visual communication army, and the cost of deployment of expensive video conferencing