2.2 Data Reset After UpgradeData that is stored in the SRAM of the PBX (not on the SD Memory Card), among other data, is cleared duringthe upgrade process.The data items listed below are all cleared by upgrade.• Incoming Call Log• Outgoing Call Log (including Last Number Redial)• Message Waiting• SMDR• Advice of Charge (AOC)/Pay Tone• Hospitality guest billing data• ICD Group monitor log for supervisor• PBX date and time• Timed Reminder• LPR Timed Update time• Daily test start time• PT handset/headset volume• PT SP-PHONE volume• PT ring volume• PT display contrast• ICD Group login status(All extensions are set to Login by default.)• ICD Group Ready/Not Ready status(All extensions are set to Ready by default.)• Live Call Screening (LCS) On/Off• Hands-free Answerback status• Absent Message status of extensions(Absent Message data itself is not cleared.)• FWD/DND status(FWD destinations are not cleared.)• Extension Lock/Remote Extension Lock• Extension PIN Lock/Extension PIN Lock counter• Verified Code PIN Lock/Verified Code PIN Lock counter• Password Lock counter for Remote System Programming• PBX Error Log• Digital Trunk Error Report data8 MPR Card Conversion Guide2.2 Data Reset After Upgrade