3.1 Procedure
SD Memory Card Installation/Upgrade Guide
13
3.
Select
Use Replace File
for DSSYS/DSYS and
Keep Present File
for PSMPR/PMPR.
4.
Click
OK
.
A confirmation screen will be displayed.
5.
Click
OK
.
Another confirmation screen will be displayed.
6.
Click
OK
.
The active and backup DSSYS/DSYS files will be swapped, and the PBX reset.
The upgrade process is complete.