AT&T CL4939 user manual Troubleshooting

Page 60

Appendix

Troubleshooting

My calls fade out

•

If you are using the handset when this problem occurs,

or cut in and out

 

try unplugging the coiled handset cord and firmly

when I am using the

 

plugging it in the handset and telephone base again.

telephone.

•

If you are using the speakerphone when this

 

 

 

problem occurs, eliminate any background noise.

 

 

Noise from the television, radio, or other appliances

 

 

might cause the speakerphone to cut in and out.

 

 

Try pressing MUTE when you are not speaking to

 

 

eliminate the background noise.

 

•

Disconnect the telephone base from the telephone

 

 

wall jack and plug in another corded telephone. If

 

 

calls are still not clear, the problem is probably in

 

 

the wiring or local service. Contact your telephone

 

 

service provider (charges may apply).

 

•

If you subscribe to high-speed Internet service

 

 

(digital subscriber line - DSL) through your

 

 

telephone line, you must install a DSL filter between

 

 

the telephone line cord and the telephone wall jack

 

 

(see Telephone installation on page 7). The filter

 

 

prevents noise and caller ID problems caused by

 

 

DSL interference. Please contact your DSL service

 

 

provider for more information about DSL filters.

 

 

 

I hear other calls

•

Disconnect the telephone base from the telephone

when using the

 

wall jack. Plug in a different telephone. If you still

telephone.

 

hear other calls, the problem is probably in the

 

 

wiring or local service. Contact your telephone

 

 

service provider (charges may apply).

 

 

 

Display screen is

•

Make sure the power adapter is securely plugged in the

blank.

 

POWER jack on the back of the telephone base and

 

 

into an electrical outlet not controlled by a wall switch.

 

 

 

Operation during a

•

This telephone operates during a power failure if a

power failure.

 

telephone line cord is installed between the wall

 

 

jack and the telephone base. You are able to answer

 

 

calls with the handset, and dial calls using the dial

 

 

pad keys. No other features work unless AC power is

 

 

recovered. All settings in menu options (except SET

 

 

TIME/DATE) and all messages stored in the mailbox

 

 

are retained during a power failure.

 

 

 

54

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Contents User’s manual On purchasing your new AT&T product Canada, dial 1 866Parts checklist Stop Avoid placing the telephone base too close toTable of contents Remote access wallet card Introduction Quick reference guide RemoveSpeaker Indicator lights and tones Indicator lightsAlert tones Screen messages Screen iconsMessage window displays Display screen messages DeletedTelephone installation 800 222-3111. In Canada, dial 1 866 Installation options Tabletop to wall-mount installationInstallation options Wall-mount to tabletop installation Wall-mount Tabletop position Position Installation options Volume control Ringer volumeHandset volume Speakerphone volumeMenu setup Set featuresFeature summary Menu operationLocal Area # of Rings Set date and time Press Select to show MM/DD/YYYYSet home area code Set local area codeMenu setup Making and answering a call Chain dialing From the directoryFrom a two-touch memory location From the call historyPress Display Dial or Speaker to call using the speakerphone Last number redialOptions while on calls Audio assistMute To mute the callFlash/call waiting Temporary tone dialingLine power mode no AC power To make a call during a power failureTo answer a call during a power failure To adjust the handset volume during a power failureTwo-touch memory overview and storage Two-touch memory overviewTwo-touch memory storage Reviewing and dialing a two-touch number To review two-touch numbersTo dial a two-touch number Deleting a two-touch number To delete a two-touch numberCharacter chart Directory overviewDirectory memory capacity Directory storage RemoveReviewing and dialing a directory entry To review directory entriesTo dial a directory number Deleting a directory entry Caller ID overview About caller IDAbout home area code and local area codes How caller ID works Caller ID special messages Memory matchHow call history works Reviewing call history Unreviewed and total callsTo review call history 7227702 Returning a callStoring a call history entry in the directory Storing a call history entry in a two- touch location Deleting call history entries To delete a call history entryTo delete all call history entries Message guard memory for power failure Answering system overviewMessage capacity Voice promptsAnswering mode To turn on the answering systemTo turn off the answering system Outgoing announcement To record your outgoing announcementTo play the outgoing announcement To delete your outgoing announcementMessage playback To play back messagesInformation about messages Options during message playbackTo delete all old messages Recording and playing memo To record a memoTo play back memos Call screening, priority call and call intercept Call interceptRemote access To access your answering systemRemote commands Received to repeat the message Troubleshooting Troubleshooting Troubleshooting Feature summary on If you select NEW Call First in Call List OrderSet local area code on Electronic equipment onOn the answering system on page 43. When If you choose tS 2-4 or tS 4-6 in # of RingsTroubleshooting Troubleshooting General product care Important safety information Especially about corded telephonesFCC and Acta information Product identifier and REN informationProgramming/testing of emergency numbers Part 15 of FCC rules Limited warranty 866How do you get warranty service? Technical specifications Index Index Remote access wallet card Action Remote command
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