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To configure an LDAP key via web user interface:
6.1 Log into the web interface of the phone.
6.2 Click on Function Keys->Memory Key (or Line Key).
6.3 In the desired memory key (or line key) field, select LDAP from the pull-down list of "Type".
6.4 Click "SaveSet" to accept the change.
6.5 Press the LDAP key on the phone when it is idle. The LDAP contacts will display on the LCD:
6.6 You can search contacts by entering character in the Filter Prefix field.