c#写一个nat端口映射程序,可实现内外网的端口转换-c# write a nat port mapping procedures, can be converted inside and outside the network port

易语言语音呼叫中心源码例程程序结合易语言扩展界面支持库，调用API函数实现了内线摘挂机，外线来电显示，多通道的状态管理。 必须安装官方的DBDK开发包，否则没有DLL可调用。-Easy language routines source voice call center program extended interface with easy language support library, call the API function of the realization of the ins