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Owner's of the AT&T Headphones TL7600 gave it a score of 0 out of 5. Here's how the scores stacked up:
  • Reliability

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Maintenance and Troubleshooting
My headset
doesn’t work
at all.
• Make sure the power cord is securely
plugged in.
• Make sure the battery connector is securely
plugged into the cordless headset.
Make sure the telephone line cord is
securely and firmly plugged into the
headset or telephone base and the
telephone wall jack.
Charge the battery in the cordless headset
for at least 6 hours. For optimum daily
performance, return the cordless headset to
its charger when not in use.
Reset the headset base or charger. Unplug
the unit’s electrical power. Wait for
approximately 15 seconds, then plug it back
in. Allow up to one minute for the cordless
headset and headset base or charger to
reset.
• You may need a new battery. Please refer to
page 4 of this user’s manual.
I cannot get a
dial tone.
• First, try all the suggestions above.
• Move the cordless headset closer to the
headset or telephone base. You might have
moved out of range.
Troubleshooting
If you have difficulty with your headset, 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.