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Important safety information
Getting started
This symbol is to alert you to important operating or servicing instructions 
that may appear in this user’s manual. Always follow basic safety precautions 
Safety information
 f Read and understand all instructions in the user’s manual. Observe all markings on 
the product.
 f Avoid using a telephone during a thunderstorm. There may be a slight chance of 
electric shock from lightning.
 f Do not use a telephone in the vicinity of a gas leak. Under certain circumstances, 
a spark may be created when the adapter is plugged into the power outlet, or 
when the handset is replaced in its cradle. This is a common event associated with 
the closing of any electrical circuit. In an inadequately ventilated environment, 
the user should not plug the phone into a power outlet, nor put a charged 
Such environments might include: medical use of oxygen without adequate 
ventilation; industrial gases (cleaning solvents; gasoline vapors; etc.); a leak of natural 
gas; etc.
 f Do not use this product near water or when you are wet. For example, do not use 
it in a wet basement or shower, nor next to a swimming pool, bathtub, kitchen sink 
and laundry tub. Do not use liquids or aerosol sprays for cleaning. If the product 
comes in contact with any liquid, unplug any line or power cord immediately. Do not 
plug the product back in until it has dried thoroughly.
 f Install this product in a protected location where no one can trip over any line or 
power cords. Protect cords from damage or abrasion.
f If this product does not operate normally, see the Troubleshooting section 
on pages 136-147 of this user’s manual. If you cannot solve the problem, 
or if the product is damaged, refer to the Limited warranty section on 
pages 157-159. Do not open this product except as directed in your user’s 
manual. Opening the product or reassembling it incorrectly may expose you to 
hazardous voltages or other risks.
f Replace batteries only as described in your user’s manual (pages 13-15). Do 
not burn or puncture batteries — they contain caustic chemicals.
 f 
position. The prongs are not designed to hold the plug in place if it is plugged into a 
ceiling or an under-the-table/cabinet outlet.
 f For pluggable equipment, the socket-outlet shall be installed near the equipment 
and shall be easily accessible.
CAUTIONS: 
 f Use only the power adapter provided with this product. To obtain a replacement, 
visit our website at https://telephones.att.com or call  
1 (800) 222-3111. In Canada, dial 1 (866) 288-4268.