文档介绍：XXX视频会议应急保障系统方案建议书北京直真信通科技有限公司2008/12目录第一章综述.................................................................................................................................................................3第二章系统组网...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................6第三章系统特点和优势.....................................................................................................................................................................................................................................................................................................................................“热备份”......................................................................................................................................................................7第四章产品详细介绍............................................................................................................................................................................................................................................................................................................