If you leave this field blank, the LCD screen of the EXP40 expansion module will display the
default label "Directory".
Click Confirm to accept the change.
4.
Directory
You can configure an Ext key as the directory key. You can press the directory key to quickly
access the local directory, call history, LDAP and remote phone book.
To configure an Ext key as the directory key:
Click on Dsskey->Ext Key.
1.
In the desired Ext key field, select Directory from the pull-down list of Type.
2.
Enter the desired value in the Label field or leave it blank.
3.
Configuring the Yealink EXP40 Expansion Module
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