在VC下如何实现多媒体之间的相互转换与会议系统的远程通讯-in VC how multimedia conversion between the meeting and the long-distance communication system

自动交换网关, 该程序由VC6.0编写 通过调用ip helper api进行动态修改网关 适合需要经常在多个网关之间相互转换者使用-automatic exchange gateways, the program prepared by VC6.0 by calling ip helper api gateway for dynamic modification of the need for multiple gateways for switching between users