The value of tmnxMcRingInfoInbCtrlDbTime indicates the value of the
debounce timer at the time indicated by the value of
tmnxMcRingInfoInbCtrlDbStart.
Data traffic may have been dropped starting from the time indicated
by tmnxMcRingInfoInbCtrlDbStart during the interval indicated by
tmnxMcRingInfoInbCtrlDbTime.