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Appendix 
45
Troubleshooting
If you have difficulty with your phone please try the suggestions below. For 
Customer Service, visit our website at 
www.telephones.att.com
 or call 
1 (800) 222-3111
. In Canada, dial 
1 (866) 288-4268
.
For more detailed instructions, refer to the online Complete user’s manual at 
 
www.telephones.att.com/manuals
.
My telephone doesn’t work at all.
Make sure the power cord is securely plugged in.
Make sure you plug the battery connector securely into the cordless handset.
Make sure you plug the telephone line cord securely and firmly into the telephone 
base and the telephone wall jack.
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.
If the battery is depleted, it may take approximately 30 minutes to charge the 
handset before it shows Low battery. See for details. 
Reset the telephone base. Unplug the electrical power. Wait for approximately 15 
seconds, then plug it back in. Allow up to one minute for the cordless handset and 
telephone base to reset.
You may need to purchase a new battery. Please refer to Battery installation and 
charging
 in this user’s manual on page 6.
I cannot get a dial tone.
Try all the suggestions above.
Move the cordless handset closer to the telephone base. You may have moved out 
of range.
If the previous suggestions do not work, disconnect the telephone base from the 
telephone jack and connect to a different phone. If there is no dial tone on that 
phone either, the problem is in your wiring or telephone service. Contact your 
telephone service provider.
Your line cord may be defective. Try installing a new line cord.
I cannot dial out.
Try all the suggestions above.
Make sure you have a dial tone before dialing. The cordless handset may take a 
second or two to find the telephone base and produce a dial tone. This is normal. 
Wait an extra second before dialing.
Eliminate any background noise. Noise from a television, radio or other appliances 
may cause the phone to not dial out properly. If you cannot eliminate the 
background noise, first try muting the cordless handset before dialing, or dialing 
from another room with less background noise.
If other phones in your home are having the same problem, contact your 
telephone service provider (charges may apply).