Caller IDs are not displayed on the LCD screen.
- Confirm with your System Administrator that the caller ID service is available from
your telephone company.
- If the caller blocks the sending of their caller ID, the caller ID will not be displayed.
- If the caller makes a call from an area where the caller ID cannot be provided
(e.g., international calls), the caller ID will not be displayed.
- If the caller makes a call from a public phone, the caller ID will not be displayed.
- If the caller ID received from the Telephone Company is corrupt, the caller ID will
not be displayed.
- If the Telephone Company does not send a caller ID, the caller ID will not be
displayed.