AT&T TL7700 - Manual (Page 23)

19
Troubleshooting
If you have difficulty with your telephone, 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
.
My headset doesn’t work at all.
Make sure the power cord is securely plugged in.
Make sure that the battery is securely installed in the
cordless headset.
Charge the battery in the cordless headset for at least three
hours. For optimum daily performance, return the cordless
headset to its charger when not in use.
Reset the headset. Power off the headset and then power it on.
Other electronic products such as HAM radios and other DECT
phones can cause interference with your cordless headset. Try
installing your telephone base as far away as possible from
these types of electronic devices.
You may need to purchase a new battery. Refer to page 6 of
this user’s manual.
The other party cannot hear my voice during a call.
Adjust the speaking volume during a call.
There is no dial tone.
Try all the suggestions above.
Move the cordless headset closer to the telephone base. You
might have moved out of range.
Your telephone line cord may be defective. Install a new
telephone line cord.
Another phone on the same phone line may be in use.
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