tmnxVdoGrpSrcVqmMDIDelayFactor 1.3.6.1.4.1.6527.3.1.2.61.1.18.1.22

The value of tmnxVdoGrpSrcVqmMDIDelayFactor indicates Media Delivery Index (MDI) delay factor. If the value of this object is '4294967295' (0xFFFFFFFF) then this indicates there is no media stream.