For systems being centrally managed through System Manager, this task cannot be performed using IP Office Manager launched from System Manager. You must first disable Under SMGR Administration in Security Settings before you perform this task.
Procedure
In IP Office Manager, select File > Advanced > Embedded File Management.
Drag and drop the greeting file into the System SD\SYSTEM\DYNAMIC\LVMAIL\AAG folder on the System SD card.
Wait at least 5 minutes before testing operation. The system does not start using new uploaded files immediately.
