Announcement reading receipt information structure
struct{ BYTE byNoticeNumber[MAX_NOTICE_NUMBER_LEN/*32*/]; BYTE byRes[224]; }NET_DVR_NOTICEDATA_RECEIPT_INFO, *LPNET_DVR_NOTICEDATA_RECEIPT_INFO;
Announcement No.
Reserved, set to 0.
NET_DVR_VIDEO_INTERCOM_EVENT_INFO_UINON