AT&T CL82301, CL81201, CL82551, CL82401 Experience poor sound quality when using the speakerphone

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Appendix

Troubleshooting

I get noise, static, or weak signals even when I’m near the telephone base.

•If you subscribe to high-speed Internet service (DSL - digital subscriber line) through your telephone line, you must install a DSL filter between the telephone line cord and the telephone wall jack. The filter prevents noise and caller ID problems as a result of DSL interference. Please contact your DSL service provider for more information about DSL filters.

•You may be able to improve the performance of your cordless phone by installing your new telephone base as far as possible from any other existing cordless telephone system that may already be installed.

•Other electronic products such as HAM radios and other DECT phones can cause interference with your cordless phone. Try installing your phone as far away as possible from these types of electronic devices.

•Do not install this phone near a microwave oven or on the same electrical outlet. You might experience decreased performance while the microwave oven is operating.

•If you plug your phone in with a modem or a surge protector, plug the phone (or modem/surge protector) into a different location. If this does not solve the problem, relocate your phone or modem farther apart from one another, or use a different surge protector.

•Move your phone to a higher location. The phone might have better reception in a high area.

•If the other phones in your home are having the same problem, contact your telephone service provider (charges may apply).

I experience poor sound quality when using the speakerphone.

•For increased sound quality while using the speakerphone, place the handset on a flat surface with the dialing keys facing up.

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Contents User’s manual Congratulations Parts checklist Table of contents Avoid placing the telephone base too close to InstallationMUTE/DELETE Quick reference guide handsetMENU/SELECT Main menu Charger installation Battery indicators Battery status Action Battery installation and chargingLow battery ChargerCharge light Step StepScreen shows Registering... Please wait Adding and registering handsetsRegister a handset to your telephone base Deregistering handsets Handset registration is unsuccessful Troubleshooting My telephone doesn’t work at all Cannot get a dial toneMy cordless handset isn’t performing normally Cannot dial outBatteries do not hold a charge Hear other calls while using my phoneExperience poor sound quality when using the speakerphone My cordless handset does not ring when I receive a call My caller ID isn’t working My calls cut in and out while I’m using my cordless handsetSystem does not receive caller ID when on a call Common cure for electronic equipment Charge light is off or blinkingCleaning your telephone MaintenanceTaking care of your telephone Avoid waterSafety information Important safety informationEspecially about cordless telephones Especially about telephone answering systems Precautions for users of implanted cardiac pacemakersPacemaker patients FCC Part 68 and Acta Industry Canada FCC Part How long is the limited warranty period? Limited warrantyWhat does this limited warranty cover? How do you get warranty service? Other limitations Operation Operating time Technical specificationsDect 6.0 digital technology Telephone operating range
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