AASTRA DT292 for BusinessPhone User Guide EN - Manual (Page 18)

Description
BusinessPhone – Cordless phone DT292 18
Display icons
Signal strength
On when your phone is locked to the system. The bars indicate
reception quality. Four bars indicate optimal reception.
Ringer off
Ringing signal muted or microphone off.
Key lock
Keys are locked.
Call
On when your phone is off hook and flashes during ringing.
Message
Message received.
Call info
New unanswered entry in the MissedCalls list.
Battery gauge
The battery cells are flashing sequentially when the battery is being
charged and is on when charging is completed. Indicates the
amount of talk and standby time left.
Note: An alarm sounds when there is less than 15 minutes
calling time left in the battery.
Additional display features
Depending on which network you are connected to, additional
display features are available. For example displaying of date and
time. Ask your system administrator if you require additional display
features.