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AT&T System 25Multiline TelephoneUser Guide

Ringing TonesSystem 25 signals you with four distinctive rings. The rings andtheir descriptions are listed below.Your call is from a person inside you

Data Dial Code (DDC)When your System 25 was installed, Data Dial Codes (DDCs)were assigned to data terminals. If you have a data terminalassociated wi

Multiline FeaturesAccount Code EntryFor bookkeeping purposes, your System Administrator mayassign account codes to use with certain calls. If you arer

Account Code Entry (Continued)Account Code Entry - Incoming Calls12310

Automatic IntercomYou and another person may each have a button labeledthat you can use to call each other.Using AUTO ICOM1 Press2 Listen for ringbac

Bridged AccessThis feature allows for a common connection between a specificbutton, on your telephone and a specific linebutton, on someone else&apos

Call AccountabilityYou can use your own extension number at any other extensionto place toll calls that should be billed to you.Billing Calls to Your

Call WaitingIf all of your System Access buttons are busy, you may benotified (through your handset) that a call is waiting. If youhear one short tone

CallbackIf a System 25 extension or outside line is busy when you place acall, you can request a callback. Your call will wait in a line(called a queu

Conference CallsYou can set up a conference that includes a combination ofSystem 25 extensions as well as outside calls. You may have upto five confer

©1989 AT&TAll Rights ReservedPrinted in USATO ORDER COPIES OF THIS DOCUMENT REFER TO DOCUMENTNUMBER 555-540-703.Contact: Your AT&T sales repre

CoverageIf your System Administrator has administered this feature, callsto you can be answered (covered) at specified telephones whenyou do not answe

Data CallsPlaced from Your TelephoneIf your System Administrator has assigned a button to your telephone, you can use it to place data calls for youra

Direct Group Calling (DGC)Your System Administrator will advise you if you have beenassigned as a member of a Direct Group Calling (DGC) group.Calls t

Direct Station Selection (DSS)The DSS buttons allow you to make a call without dialing thedigits. The number is stored in the memory system. There are

DirectoryIf your telephone has an attached display and your SystemAdministrator has set up a system directory, you can use thedisplay to obtain extens

Directory (Continued)3 Press # .The system will provide you with the first name in the directory thatmatches the search combination that you specifie

Directory (Continued)Placing Directory CallsWhen the display shows the name and number of the personyou want to call, pressThe system will automatical

DisplaySome telephones come with a 16-character display. If yourtelephone has an attached display, use the following directionsand sample screens to h

Display (Continued)The following is an example of a double-screen display, in whichthe telephone number is continued on Screen 2.Using the DisplayUsua

Display (Continued)ConferencingThe display for a conference call is slightly different from thedisplay for an inside or outside call. In the last two

Contents1Introduction9Multiline FeaturesAccount Code EntryAutomatic IntercomBridged AccessCall AccountabilityCall WaitingCallbackConference CallsCover

Display (Continued)DGC GroupIf you are a member of a Direct Group Calling (DGC) group, youcan view the number of calls waiting to be handled by thegro

Display (Continued)Screens of a Redirected CallA display for a redirected call has two screens. Each screenincludes the following information: Screen

Display (Continued)Display Symbol SummaryDisplay Symbols for Screen 1The display symbols that apply to the first character position ofScreen 1 and the

Display (Continued)Display Symbols for Screen 2When you receive a redirected call, the last letter on Screen 2will give you valuable information conce

Display (Continued)Programming Your TelephoneWhen you start towill show:program the buttons and/or codes, the displayPROGRAMWhile you are dialing the

Display FunctionsThe button provides access to special features built into your display unit. The buttons at the top of the telephone (nextto the disp

ExclusionThis feature prevents others from listening in on a shared line.If you are on a call and activate this feature, it will automaticallydisconne

FollowingYou can have your personal calls sent to another telephone byusing either the Following or the Forwarding feature. To use theFollowing featur

ForwardingYou can have your personal calls sent to another telephone or toan outside number. Unlike the Following feature, you do notneed to sign in y

Hands-Free AnsweringWhen you use the Hands-Free Answering feature on any of thetelephones listed below, you can answer inside calls withoutlifting you

Recall55Repertory Dialing (REP DIAL)Send All CallsSignalingSpeakerSpeakerphoneSpeed DialingTesting Your TelephoneTransfer565758596062636465Glossary

Hands-Free Answering (Continued)NOTE: If you have only a Speaker button, you can hear thecaller, but the caller cannot hear you until you pick up theh

HoldYou can hold calls while you attend to other matters and thenpick them up again.After you put a call on hold, you may hangup the handset without l

Hold (Continued)Hold - Answering Another Call1 PressThe light next to the button of the held call blinks.2 Press the button next to the blinking ligh

InspectIf your telephone has an attached display, you can use thebutton to do the following:Identifying Calls on HoldThe display is the same as the on

Inspect (Continued)Check Features Assigned to ButtonsIf you inspect a button other than those shown above, you willsimply see the name of the feature

Last Number DialedYou can redial the last number you dialed (up to 16 digits) byusing thebutton. Numbers are stored in when you use the SpeedDialing f

Leave Word CallingYou can use the Leave Word Calling feature only if the VOICEPOWER Voice Message System is connected to your System 25.You may want t

Message WaitingMessage Waiting is available on most multiline telephones, andis a feature that can be used by anyone in the system. Mosttelephones hav

Night ServiceWhen the attendant leaves for the night, the system can be setso that incoming calls either ring a night bell or are directed topreassign

PagingIf your company has a paging system, you may access thesystem by using either a button or a code. See your SystemAdministrator for the paging ac

IntroductionThis guide describes the features available to you from AT&TSystem 25 through a multiline telephone and providesinstructions for using

ParkParked calls are similar to held calls except that they can bepicked up from any telephone.If a parked call is not picked upwithin a preset interv

Personal Message WaitingYou and another person may have been assigned a button that isused to signal each other. If so, a waiting message is indicated

PickupPickup allows you to answer a call that is ringing at anothertelephone.All multiline telephones have this fixed feature.Picking Up Calls1 Liste

Placing CallsYou can place calls to people inside your company withbuttons, and you can placecalls to people outside your company with the following b

Placing Calls (Continued)Using Facility or Pers Line Buttons1 Pressand listen for dial tone. 2 Dial the telephone number or press a button. Requesti

Programming NumbersYou can program numbers into buttons, and Personal Speed Dialing codes. While only extensionbuttons (maximum of 28 characters) and

Programming Numbers (Continued)Using # as a CharacterIf you want to use a“ # “ as an actual character, you must placetwo “ # “s in the programmed numb

Programming Numbers (Continued)Programming orUsing the Switch1 Slide the switch onlisten for dial tone.Removing Numbersthe left side of the telephone

RecallIf a System 25 telephone or outgoing line is busy when youattempt to place a call, you can pressand hang up. When the telephone or outgoing line

Repertory Dialing (REP DIAL)You can program telephone numbers, account codes, or featureaccess codes into buttons (a maximum of 28characters). You ca

Multiline Telephone ModelsThe telephones shown below and on the following page aresome of the phones that are used with System 25. You can usethis gui

Send All CallsYou can use the button to send your callsimmediately to coverage.If you do not have coverage, the SendAll Calls feature simply turns off

SignalingYou can use a button to send an alert to another telephonewithout actually calling that telephone.Signaling Another Telephone1 Do not lift th

SpeakerSome telephones have a place calls without lifting the handset, and allows others to listenduring calls.You cannot speak to the caller unless y

SpeakerphoneIf you have a Built-In-Speakerphone (BIS) telephone or multilinetelephone with a Hands-Free Unit (HFU), you can use thePlacing CallsThe li

Speakerphone (Continued)Ending Calls1 Wait until you have completed your conversation.The lights next to the Speakerphone and Microphonebuttons go off

Speed DialingSpeed dialing allows you to dial telephone numbers (or enteraccount codes) by simply dialing “ # “ and a 2- or 3-digit code.There are two

Testing Your TelephoneYou can test the lights and ringer on your telephone if you havea Test/Program Switch. On some telephones, the Test/Programswitc

TransferYou can easily transfer calls to another System 25 telephone.You can also transfer some calls to outside lines. However, youshould see your Sy

Glossaryaccount codeentryalarmassigned buttonassigned featureautomaticintercomBISbusy-to-idleremindercallaccountabilitycall waitingcallbackconferencin

confirmationthree short tones indicating that antoneaction was accepted.coverageDDCDGCDSSdata call (fromtelephone)dequeueing toneexclusionextending ca

22-Button BIS with Display22-Button BIS34-Button34-Button BIS with Display

feature accesscodefixed featurefollowing/forwardinghands-freeansweringholdidle linepreferenceinside callleave wordcallingmessage waitingmessage waitin

off-hookon-hookoutside calloutside linePDCpaging featureparkpersonal messagewaitingpickupprime linepreferencequeuequeueing toneeither the handset has

repertory dialingringback toneringing linepreferencesend all caIlssignalingspecial ringbacktonespeed dialingswitchhooksystemadministratortesttransfert

AT&T System 25QUICK REFERENCE CARDMultiline TelephoneFEATURE ACCESS CODESFEATUREDESCRIPTION CODEAccount Codeto enter an Account Code* 0 CodeCall A

ButtonsMost multiline telephones haveEach is represented in a specialTYPEdial pad buttonsthree standard types of buttons.way in this guide:SHOWN AS:bu

Handset TonesSystem 25 signals you with tones that are heard through thehandset. The tones and their descriptions are listed below.DIAL TONE(a continu