User Guide

Yealink EXP20 User Guide
10
If you leave this field blank, the LCD screen of the EXP20 LCD expansion module will
display the default label “Switch”. The default label of key 21 is “List 2”.
4. Click Confirm to accept the change.
Line
You can configure an Ext key as the line key. You can press this key to enter the pre-dialing
screen when the phone is idle. You can also press this key to place a new call during an active
call, and then the original call is placed on hold. For more information on using the line key, refer
to Using the Line Key on page 44.
To configure an Ext key as the line key:
1. Click on Dsskey->Ext Key.
2. In the desired Ext key field, select Line from the pull-down list of Type.
3. Enter the desired value in the Label field or leave it blank.
If you leave this field blank, the LCD screen of the EXP20 LCD expansion module will
display the default label the extension number of the selected line (e.g., 1001).