单网卡MCU内网及联通电信双线公网实现视频会议方法  

Methods of Realizing Video Meetings with Single Signal Port MCU Intranet and Dual Public Network of Unicom and Telecom

作　　者：刘晓红 Liu Xiaohong(China Railway 17th Bureau Group Building Engineering Co. Ltd. , Taiyuan Shanxi 030032, China)

机构地区：[1]中铁十七局集团建筑工程有限公司,山西太原030032

出　　处：《铁道建筑技术》2016年第9期120-123,共4页Railway Construction Technology

摘　　要：分析视频设备的网络部署方式及普通NAT无法转换H.323协议的原理,介绍了H.323协议穿透网关、防火墙的3种NAT转换方式,给出单信令口MCU采用负载均衡和双路由作为网关实现内网、公网双线路视频会议的两种拓扑结构及其设置过程和方法,为分布在全国各地项目部的大型施工企业建设视频会议系统提供了经济、有效的解决方案。The article analyzed the network deployment mode of video equipment and the principle of common NAT not being able to convert to H. 323 protocol, introduced three NAT conversion modes of H. 323 protocol penetrating gateways and firewalls, gave two topological structures and setting process and methods of achieving Duplex-line video conferences of intranet and public network with single signal port MCU and provided an economic and effective solution for constructing video conference systems for large-scale construction enterprises with projects distributing throughout the country.

关 键 词：视频会议 H.323协议 NAT穿透 单信令口MCU 双线路公网 

分 类 号：TN919.8[电子电信—通信与信息系统]