终端呼叫参数配置结构体。
struct{ DWORD dwSize; BYTE byAnswerType; BYTE byProtocolType; BYTE byTransmissionProtocol; BYTE byRes[39]; }NET_DVR_TERMINAL_CALL_CFG,*LPNET_DVR_TERMINAL_CALL_CFG;
NET_DVR_GetSTDConfig NET_DVR_SetSTDConfig