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Appendix

Troubleshooting

If you have diculty with your telephone, please try the following suggestions.

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 telephone doesn’t work at all.

Make sure the power cord is securely plugged in.

Make sure you plug the telephone line cord securely and rmly into the

telephone and the telephone wall jack.

Reset the telephone. Unplug the electrical power. Wait for approximately 15

seconds, then plug it back in. Allow up to one minute for the telephone to

reset.

The display shows No line. I cannot get a dial tone.

Try all the suggestions, as mentioned above.

If the previous suggestions do not work, disconnect the telephone line

cord from your telephone and connect the telephone line cord to

another telephone.

If there is no dial tone on that other telephone either, your telephone line

cord may be defective. Install a new telephone line cord.

If changing the telephone line cord does not help, the wall jack (or the

wiring to this wall jack) may be defective. Try using a dierent wall jack in

your home to connect your CL4940/CD4930 telephone, or contact your

telephone service provider (charges may apply).

I cannot dial out.

Try all the suggestions, as mentioned above.

Make sure you have a dial tone before dialing.

Eliminate any background noise. Noise from a television, radio or other

appliance may cause the phone to not dial out properly. If you cannot

eliminate the background noise, rst try muting the telephone before

dialing, or dialing from another room with less background noise.

If other phones in your home are having the same problem, contact your

telephone service provider (charges may apply).

I hear other calls while using my phone.

Disconnect the telephone from the telephone jack, and plug in a dierent

telephone. If you still hear other calls, call your telephone service provider.

System announces, “Time and day not set.”

You need to set the system clock (page 10).



AT&T CL4940 Manual

Other manuals for AT&T CL4940