AT&T System 25 manual Data Dial Code DDC, Personal Dial Code PDC, Display Unit, Queue Status

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Data Dial Code (DDC)

When your System 25 was installed, Data Dial Codes (DDCs) were assigned to data terminals. If you have a data terminal associated with your System 25, you will receive separate information regarding its use.

Personal Dial Code (PDC)

Personal Dial Codes (PDCs) were assigned to telephones. In most cases, your PDC is your extension number. If a telephone is shared by two or more people, each person may have been assigned their own “floating” extension number (FPDC). Floating extension numbers (FPDCs) are also used as a convenience for visitors, and for people who are not permanently assigned to a specific location.

Display Unit

The console’s built-in display provides visual information about incoming and outgoing calls. Use the procedures and sample screens shown at the end of each feature entry. Also, refer to the entries for “Directory”, “Display”, “Inspect”, and “Display Functions”.

Queue Status

System 25 “stacks” calls to a busy console in a waiting line (a queue). These queued calls are then sent to the console, one at a time, as the attendant becomes available. The number of calls waiting in the queue is shown on the right side of the Screen 1 display. If one to nine calls are waiting for to be answered, the actual number appears. A queue of ten or more calls is indicated by "!".

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Contents AT&T To Order Copies of this Document Refer to Document Number Contents Glossary Features IntroductionAttendant Consoles Console ButtonsAutomatic Loop Selection Loop ButtonsSelector Console Using the Selector Console Handset TonesRinging Tones LightsDisplay Unit Data Dial Code DDCPersonal Dial Code PDC Queue StatusThis Guide Additional InformationPage Answering a Call Answering CallsDisplay Tango,S Turning on Message Waiting Lights Attendant Message WaitingTurning Off Message Waiting Lights Attendant Message Waiting Setting Up a Conference Conference CallsDunn,B Using the Directory DirectoryExample of a Directory Search Placing Directory Calls Exiting from the DirectoryDisplay Viewing Display ScreensSymbols Used in Displays Display symbol Meaning of the symbolThis is a Third-Party Data feature Using the Timer Setting the Clock, Date, or AlarmDisplay Functions Automatic Hold and Automatic Release HoldPlacing Calls on HoId Using Hold to Answer Another Call Using Hold to Place Another CallReturning to the Held Call Branch Answering Calls Incoming CallsExtending Calls Switching Between Parties Conference Inspect Using InspectDeactivating Inspect Acct Entry Night Service Activating Night ServiceUsing the Paging System PagingParking a Call on the Slac ParkParking Calls on the Selector Console Picking Up Parked Calls Placing Inside Calls Placing CallsPlacing Outside Calls For Someone Else 912125551212 Using the Position Busy Feature Position BusySystem Alarm Testing the Slac Testing Your ConsoleTesting the Selector Console Page Account Code Entry Outgoing Calls Account Code EntryAccount Code Entry Incoming Calls ACCT? Using Auto Icom Automatic IntercomCall Accountability Billing Calls to Your ExtensionCall Waiting Requesting Callback Canceling CallbackCallback Completing CallbackQueue Denied Coverage Blake,G sData Calls Placed from Your Telephone Placing a Data CallLeaving the Group Direct Group Calling DGCReturning to the Group Direct Station Selection DSS Placing CallsExclusion Activating ExclusionSigning FollowingSigning Out Signing Out All Extensions Forwarding Canceling ForwardingForwarding Calls Hands-Free Answering Ending CallsUsing Last Number Dialed Last Number DialedLeave Word Calling Leaving Messages When Not on a CallLeaving Messages While on a Call Turning On Message Lights Message WaitingTurning Off Message Lights Canceling a Personal Signal Sending a Personal SignalPersonaI Message Waiting Picking Up Calls PickupPicking Up Calls in Your Pickup Group Programming Numbers Special CharactersUsing # as a Character Programming Buttons Personal Speed Dialing CodesProgramming or Removing Numbers Recall Repertory Dialing REP Dial Signaling Signaling Another TelephoneSpeakerphone Press the Speakerphone button and listen for dial toneWait until you have completed your conversation Speed Dialing Transfer Transferring CallsPage Glossary DDC Fpdc PDC Slac Switchhook Switched Loop Attendant Console AT&T SystemSee Features list on other side Graphics AT&T

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