语音对讲呼叫机，包含DLL，test，包含呼叫端和被叫端。-Voice intercom call unit, including DLL, test, including the caller and the called side.

VC 6.0平台上编写的语音时时对讲软件，上传的附件为源码，可根据自己需求修改，视频通讯的稍后给出-Written on VC 6.0 platform real-time voice intercom software, attachment upload the source code can be modified according to their needs, given later video communications