3. After accessing the device configuration settings, select the Contacts option, which is the Third section on the left side.
4. In the Contacts options, there is a section called LDAP. The LDAP section includes the following sub-options:
- LDAP Enable Switch: Allows you to enable or disable the LDAP feature. Example: Toggle this switch to "On" to enable LDAP.
- Name Filter: Specifies the filter criteria for names in the LDAP directory. Example: Set this to
cn=* to filter by common names. - Number Filter: Specifies the filter criteria for numbers in the LDAP directory. Example: Set this to
telephoneNumber=* to filter by telephone numbers. - Hostname: The server address of the LDAP directory. Example: Enter
ldap.example.com as the hostname. - Base: The base DN (Distinguished Name) for searching within the LDAP directory. Example: Enter
dc=example,dc=com as the base. - User Name: The username required to access the LDAP directory. Example: Enter
user@example.com as the username. - Password: The password required to access the LDAP directory. Example: Enter your LDAP password here.
- Name Attr: Specifies the attribute used for names in the LDAP directory. Example: Set this to
cn to use common names. - Number Attr: Specifies the attribute used for numbers in the LDAP directory. Example: Set this to
telephoneNumber to use telephone numbers. - Display Name: Defines how names are displayed from the LDAP directory. Example: Set this to
cn to display common names.

5. After configuring all the required settings in the LDAP section, click on the Save button to apply the changes.