AASTRA DT4x3 for BusinessPhone User Guide EN - Manual (Page 24)

AMT/PUD/TR/0119/1/2/EN 2012-08-13
User Manual
Cordless Phones for BusinessPhone™
18
"No-movement" icon indicates that the No-movement alarm is
enabled.
"Profile active" icon
"Alarm" icon indicates that the handset is a DT423/DT433.