AT&T CRL81212 Cordless Telephone User Manual

I experience poor sound quality when using the speakerphone.
For increased sound quality while using the speakerphone, place the handset
on a flat surface with the dial pad facing up.
I hear other calls while using my phone.
Disconnect the telephone base from the telephone jack, and plug in
a different telephone. If you still hear other calls, call your telephone
service provider.
My cordless handset does not ring when I receive a call.
Make sure that the ringer is not off. Refer to Ringer volume on page 10 in
this user’s manual.
Make sure you plug in the telephone line cord securely into the telephone
base and the telephone jack. Make sure you plug in the power cord securely.
The cordless handset may be too far from the telephone base.
Charge the battery in the cordless handset for at least 10 hours. For
optimum daily performance, return the cordless handset to the telephone
base or charger when not in use.
You may have too many extension phones on your telephone line to allow
all of them to ring simultaneously. Try unplugging some of the other
The layout of your home or office might be limiting the operating range.
Try moving the telephone base to another location, preferably to a
higher location.
If other phones in your home are having the same problem, contact your
telephone service provider (charges might apply).
Test a working phone at the phone jack. If another phone has the same
problem, contact your telephone service provider (charges might apply).
Other electronic products can cause interference with your cordless phone.
Try installing your phone as far away as possible from electronic devices
such as television sets, VCRs, or other cordless telephones.
Completely remove the battery. Install the battery again and place the
cordless handset into the telephone base. Wait for the cordless handset to
reestablish its connection with the telephone base. Allow up to one minute
for this to take place.
Your line cord might be defective. Try installing a new line cord.