Two-way audio configuration structure.
struct{ BYTE byTalkMode; BYTE byRes[127]; }NET_DVR_LOCAL_TALK_MODE_CFG, *LPNET_DVR_LOCAL_TALK_MODE_CFG;
Two-way audio mode: 0-enable two-way audio library (default), 1-enable Windows API mode.
Reserved, set to 0.
If the two-way audio library is enabled, you must load the "AudioIntercom.dll" and "OpenAL32.dll".