Caller ID error message
The phone displays this message if it detects anything other than valid
Caller ID information during the silent period after the first ring. This
message indicates either the presence of noise on the line, or that an
invalid message has been sent from the telephone company.
CAUSES OF POOR RECEPTION
Foil backing on insulation.
Heating ducts and other metal construction can shield radio signals.
You are too close to appliances such as microwaves, stoves, or computers.
Atmospheric conditions, such as strong storms.
Base unit is installed in the basement or lower floor of the house.
Base unit is plugged into an AC outlet with other electronic devices.
Baby monitor is using the same frequency.
Handset battery is low.
You are out of the base unit's transmission range.
To keep your telephone working and looking good, following these guidelines:
Avoid putting the phone near heating appliances and devices that generate
electrical noise (for example, motors or fluorescent lamps).
Do not expose to direct sunlight or moisture.
Avoid dropping the phone, and other rough treatment to the phone.
Clean the phone with a soft cloth.
Never use a strong cleaning agent or abrasive powder because this will
damage the finish.
Periodically clean the charge contacts on the handset and base with a
clean pencil eraser.
Retain the original packaging in case you need to ship the phone at a later
MAXIMIZE BATTERY PERFORMANCE