Trial license expiry notification is generated every day.
1.3.6.1.4.1.1916.1.32.3.0.3
Trap : extremeTrialLicenseExpiration Objects : { trialPeriod, imageDescription, noOfDaysLeft } OID : "1.3.6.1.4.1.1916.1.32.3.0.3" object : noOfDaysLeft type : INTEGER object : imageDescription type : DisplayString object : trialPeriod type : INTEGER