
Yealink EXP20 User Guide
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If you leave this field blank, the LCD screen of the EXP20 LCD expansion module will
display the default label “DND”.
4.
Click Confirm to accept the change.
You can configure an Ext key as the recall key. When the phone is idle, you can place a
call back to the caller of the last incoming call by pressing the recall key.
To configure an Ext key as the recall key:
1.
Click on DSSKey->Ext Key.
2.
In the desired Ext key field, select ReCall from the pull-down list of Type.
3.
Enter the desired value in the Label field or leave it blank.
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