Aastra 9617 Online User's Manual page 99

The Phone Display tab
This tab on the 9617 Configuration Properties dialog
box allows you to set display options for the telephone.
For information on how to access this dialog box, refer to
Using the computer to customize the M9617
telephone on page 89.
Display Contrast – Drag the slider to increase or
decrease the contrast of the phone's display. Click on the
Apply button to see the results of a new setting without
exiting the 9617 Configuration Properties dialog box.
Area Codes – In some areas, the telephone company
sends the area code of all local calls with the Caller ID
information. However, you may not be able to dial local
numbers using the Callers List in the telephone until you
remove the area code from the number. If this is the case
in your area, you can use the area code stripping feature.
When you enter an area code or prefix using this feature,
your 9617 telephone removes that code or prefix from
numbers stored in the telephone's Callers List.
For example, if you enter your area code into this option,
all calls in your area code will appear in the Callers List
with the area code stripped off (the area code appears in
brackets after the number like this: 555-1234 (403)).
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