User Guide

Configuring the Yealink EXP20 LCD Expansion Module
17
5. Select the desired line to apply this key from the pull-down list of Line.
6. Click Confirm to accept the change.
Intercom
You can configure an Ext key as the intercom key. You can connect to the operator or the
secretary quickly by pressing the intercom key. This feature is especially helpful in an office
environment.
To configure an Ext key as the intercom key:
1. Click on Dsskey->Ext Key.
2. In the desired Ext key field, select Intercom from the pull-down list of Type.
3. Enter the extension number in the Value field (e.g., 121).
4. 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 “Intercom”.