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Appendix
Important safety instructions
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 when using this product to 
reduce the risk of injury, fire, or electric shock.
Safety information
•  Read and understand all instructions in the user’s manual. Observe all 
markings on the product.
• 
Avoid using  a  telephone during  a thunderstorm. There  may  be  a  slight 
chance of electric shock from lightning.
• 
Do not use a telephone in the vicinity of a gas leak. If you suspect a gas 
leak, report it immediately, but use a telephone away from the area where 
gas  is leaking.  If this  product  is a  cordless model,  make  sure  the base  is 
also away from the area.
• 
Do not use this product near water, or when you are wet. For example,  
do not  use  it in a wet  basement  or shower,  or  next to a  swimming  pool, 
bathtub, kitchen sink, or laundry tub. Do not use liquids or aerosol sprays 
for cleaning. If the product comes in contact with any liquids, unplug any 
line or power cord immediately. Do not plug the product back in until it has 
dried thoroughly.
• 
Install  this product  in a  protected location  where  no  one  can  trip  over 
any line or power cords. Protect cords from damage or abrasion.
• 
If this product does not operate normally, read Troubleshooting in this 
user’s manual. If you cannot solve the problem, or if the product is dam-
aged, refer to the limited warranty. Do not open this product except as may 
be directed in your user’s manual. Opening the product or reassembling it 
incorrectly may expose you to hazardous voltages or other risks.
• 
If  this  product  has  user-replaceable  batteries,  replace  batteries  only 
as  described  in  your  user’s  manual.  Do  not  burn  or  puncture  batteries 
— they contain caustic chemicals.
•  If  this  product  has  a  three-prong  (grounding) plug  or 
a  polarized  plug 
with one wide prong, it may not fit in non-polarized outlets. Do not defeat 
the  purpose  of  these  plugs.  If  they  do  not  fit  in  your  outlet,  the  outlet 
should be replaced by an electrician.
 CAUTION:  Use  only  the  power  adapter  provided  with 
this  product.  To  obtain  a  replacement,  visit  our  website  at 
www.telephones.att.com  or  call  1  (800)  222-3111.  In 
Canada dial 1 (866) 288-4268.