AT&T 1070 User Manual

86

Troubleshooting

If  you  have  difficulty  with  your  telephone,  please  try  the  suggestions  below. 
For  Customer  Service,  visit  our  website  at 

,  or 

call 

.  In  Canada,  dial 

.  Have  the 

serial number, found on the underside of your phone, available when contacting 
customer service. Please retain your receipt as your proof of purchase.

To  purchase  accessories  or  replacement  parts,  please  contact  customer 
service by visiting our website at 

 or calling                  

. In Canada, dial 

.

My telephone appears to 
be dead.

•  Make sure the power adapter is securely  

 

  plugged into an outlet not controlled by a wall  
  switch.
• Make sure the telephone line cords are plugged  
  firmly into the telephone base and the jack.
• Unplug the telephone’s electrical power. Wait for 
  approximately 15 seconds, then plug it back in. 
  Allow up to one minute for the telephone to   
  synchronize.
• This system is not compatible with any other AT&T  
  4-line small business telephones, except for the   
  1080, 1070 and 1040 telephones.

System features, 
(intercom, transfer, hold 
release, etc.) do not work 
with my old AT&T 4-line 
telephones (984, 974, 945, 
etc.).

• This system is not compatible with any other   
  AT&T 4-line small business telephones, except  
  for the 1080, 1070 and 1040 telephones.

Intercom, hold, call pri-
vacy or other advanced 
features do not work 
properly.

•  If you have fiber optic service (digital service to 

the building, analog service within the building) 
VoIP (Voice over the Internet) service, or cable 
telephone service, the router that the system 
uses may interfere with system communication.

• If you subscribe to DSL service, you need to 

have a DSL splitter installed. See Important 
information for DSL users section on page 6 in 
this manual.

• 

Make sure that the 

LINE GROUP assignment is  

  correc

t. See page 43.