Cortelco Colleague 2211 - Manual (Page 19)

16
MESSAGE ERROR HAPPENS FREQUENTLY
1.
Caller information was not transmitted properly. Check with your telephone
company to see if there is a problem with your phone line.
Since our special design will always retain your stored call records, we
encourage you to disconnect all the telephone cords and adapter; and then
reinstall the unit step by step per this instruction manual before you ask for service.
M
AINTENANCE
I
NFORMATION
Treat your telephone equipment with care for trouble-free performance. Avoid
dropping the handset. Carefully place the handset on-hook after use.
Avoid putting near heating appliances and devices that generate electrical noise (for
example, motors and florescent lamps).
Clean your telephone equipment with a damp cloth. Stains may be removed with
a mild soap. Do not use liquid or aerosol detergents or cleaning agents.
Do not expose to direct sunlight or moisture
Retain the original package in case you need to ship it at a later date.