Parameter structure for video intercom interaction.
struct{
DWORD dwSize;
DWORD dwCmdType;
WORD wPeriod;
WORD wBuildingNumber;
WORD wUnitNumber;
SHORT wFloorNumber;
WORD wRoomNumber;
BYTE byRes[118];
}NET_DVR_VIDEO_CALL_PARAM, *LPNET_DVR_VIDEO_CALL_PARAM;
Structure size.
Command type: 0-request for call, 1-cancel the call, 2-answer, 3-decline, 4-time out, 5-end the call, 6-device is in call, 7-client is in call.
Community No., value range: [0,9].
Building No.
Unit No.
Floor No.
Room No.
Reserved, set to 0.