Reasons for missing caller ID information

Caller ID

Reasons for missing caller ID information

There are also occasions when other information or no information shows for various reasons:

Screen message	Reason

Private caller	The caller prefers not to show the telephone number and name.

Unknown caller	Your telephone service provider cannot determine the caller’s
Unknown caller	name and telephone number.
	Calls from other countries may also generate this message.

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AT&T SB67148 user manual Reasons for missing caller ID information, Screen message Reason

Contents

User’s manual Congratulations Parts checklist Table of contents Index Quick reference guide Hold Flash Using menus To write names on the directory cardMain menu Installation Avoid placing the deskset too close to Deskset installation Install the deskset as shown below Backup battery installation Backup battery charging Low battery SB67118 Add and register a desksetRegister the deskset to your SynJ SB67118 telephone base SB67148 Register the deskset to your SynJ SB67138 telephone base Registering new deviceSB67138 Deregister a deskset Deregister a deskset Add a corded headset Add a corded headset to the deskset Deskset setup Menu settingsRinger volume Ringer tone LCD contrast Key tone Language Line selectionLine, choose Line 1, Line 2, Line 3 or Line Deskset name Hold reminder Speed dial setup To enter, edit or delete a speed dial numberCustomer support Line indicators Make a call To make a call using the corded handsetDeskset basic operation To predial using the speakerphone To predial using the corded headset Dial a speed dial number Answer a call To answer a call using the corded handsetEnd a call To end a call using the corded handset Speaker or HeadsetPage To save a redialed number in the directory To delete a redialed number Options while on calls To enable call privacy To cancel call privacyCall privacy Record a call To record a callTo play back a memo or phone conversation Switch among lines HoldJoin a call in progress Three-way conference calls To access the directory while on a callChain dialing To make a three-way conference call To drop the intercom call To talk privately on the intercom callTo drop one line To end a conference call Turn off the Covm feature Intercom Make an intercom callBase or Calling All Answer an incoming call during an intercom call Answer an intercom call Call transfer using intercom Call XDeskset Call transfer using intercom Push to talk PTT intercom PTT to the main telephone base or a system device PTT to all devices PTT to All Release PTT key to stop Answer a PTT call Convert a PTT call to an intercom callEnd a PTT call About the directory CapacityExit the directory Create directory entries Create a new directory entry Number Store a pause in a directory entryStore a flash in a directory entry Key Review directory Review directory entries Search directory Search by name Delete an entry Dial, delete or edit directory entriesDisplay dial Delete all entries About caller ID Information about caller ID with call waiting Caller ID Information How the caller ID information call log worksScreen display of the deskset Memory match Missed new calls indicatorCaller ID operation Review the caller ID information Delete the call log entries To delete a call log entry View dialing optionsDial a call log entry To delete all call log entries When the telephone number appears Save a call log entry to the directory Reasons for missing caller ID information Reasons for missing caller ID informationScreen message Reason Deskset voicemail box answering system Answering system and voicemail Auto attendant Set the answering system to answer automaticallyGeneral mailbox Answering system capacity Deskset mailbox overview Deskset mailbox setupFast answer mode New message indication Set access code remote access code and mailbox security Notify alert To set an alert numberTo turn alert on or off To confirm the call alert number set correctly Deskset announcement setup To play the default announcement To play all old messages in the deskset mailbox Message playbackTo play new messages in the deskset mailbox To play new messages in the general mailbox When a message is playing on the deskset Options during playbackTransfer messages To delete all old messages in the deskset mailbox Call back to the mailbox message callerDelete all old messages To delete all old messages in the general mailbox Record and deliver memos System announces, Enter the mailbox number Remote access Remote commandsTo remotely reach the answering system Remote access Screen icons, indicator tones and lights Indicator tonesScreen icons Indicator lights Line 1-LINE Deskset display screen messages Mute Start Handset X . Release PTT to stop Cannot get a dial tone from the corded handset TroubleshootingMy deskset doesn’t work at all Cannot dial out Backup battery does not hold a charge Experience poor sound quality when using the speakerphoneMy deskset isn’t performing normally Hear other calls while using my telephone My deskset does not ring when I receive a call My calls cut in and out while I’m using my deskset My caller ID isn’t working Telephone system does not receive caller ID when on a call Answering system is recording incomplete messagesHave difficulty hearing messages System does not respond to remote commands Answering system does not record messagesCovm shows on the screen display and I do not know why Cannot retrieve voicemail messages Common cure for electronic equipmentPage Important safety information Safety information Pacemaker patients Precautions for users of implanted cardiac pacemakersEspecially about cordless telephones Especially about telephone answering systems FCC part 68 and Acta Industry Canada FCC part Limited warranty What does this limited warranty cover?How long is the limited warranty period? How do you get warranty service? Other limitations Dect 6.0 digital technology Technical specificationsBackup battery Telephone operating range Index Index Remote access wallet card Action Remote command

Reasons for missing caller ID information

Reasons for missing caller ID information

Screen message

Reason

Unknown caller