User Guide

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 “ACD”.
4. Click Confirm to accept the change.
Zero Touch
You can configure an Ext key as the zero touch key. Then you can configure auto provisioning
and network settings quickly by pressing the zero touch key when the phone is idle.
To configure an Ext key as the zero touch key:
1. Click on Dsskey->Ext Key.
2. In the desired Ext key field, select Zero Touch from the pull-down list of Type.
3. Enter the desired value in the Label field or leave it blank.