Contents Introduction Multiline Features Account Code Entry Automatic Intercom Bridged Access Call Accountability Call Waiting Callback Conference Calls Coverage Data Calls Placed from Your Telephone Direct Group Calling (DGC) Direct Station Selection (DSS) Directory Display Display Functions Exclusion Following Forwarding Hands-Free Answering Hold Inspect...
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Recall Repertory Dialing (REP DIAL) Send All Calls Signaling Speaker Speakerphone Speed Dialing Testing Your Telephone Transfer Glossary...
Introduction This guide describes the features available to you from AT&T System 25 through a multiline telephone and provides instructions for using the features. For your convenience, the features are arranged in alphabetical order. Your telephone is ready to use as soon as it is connected to the System 25.
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Multiline Telephone Models The telephones shown below and on the following page are some of the phones that are used with System 25. You can use this guide with any of these telephones. 5-Button 10-Button BIS 10-Button...
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22-Button BIS 22-Button BIS with Display 34-Button 34-Button BIS with Display...
Buttons Most multiline telephones have Each is represented in a special TYPE dial pad buttons button next to permanent label with dark background button next to changeable label with light background A fourth type of button can be found on the display unit, NOTE: and is represented in this way: Each multiline telephone has System Access buttons that are...
Handset Tones System 25 signals you with tones that are heard through the handset. The tones and their descriptions are listed below. DIAL TONE You can dial. CONFIRMATION TONE Your action has been accepted. RINGBACK TONE The number you dialed is ringing. SPECIAL RINGBACK TONE one short, dull tone) The person you dialed...
Ringing Tones System 25 signals you with four distinctive rings. The rings and their descriptions are listed below. Your call is from a person inside your company. Your call is from the attendant or someone outside your company. This can indicate a call on another line; a busy-to-idle reminder; a manual signal;...
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.
Multiline Features Account Code Entry For bookkeeping purposes, your System Administrator may assign account codes to use with certain calls. If you are required to use account codes for outgoing calls, the account code must be entered before you can place an outgoing call. If this feature is not mandantory, you may still optionally use the Account Code Entry feature.
Automatic Intercom You and another person may each have a button labeled that you can use to call each other. Using AUTO ICOM 1 Press 2 Listen for ringback.
Bridged Access This feature allows for a common connection between a specific button, button, join in a call or cover the other line by using your bridged access button. Up to 15 people can use their bridged access buttons for the same system access button.
Call Accountability You can use your own extension number at any other extension to place toll calls that should be billed to you. Billing Calls to Your Extension 1 Listen for dial tone, then press 2 Dial your extension number. 3 Listen for dial tone, then dial the telephone number.
Call Waiting If all of your System Access buttons are busy, you may be notified (through your handset) that a call is waiting. If you hear one short tone, it is an inside call waiting; two short tones indicate you have an outside call waiting. If you have a System Access-Outgoing your telephone, you can put your calls on hold and answer the call waiting.
Callback If a System 25 extension or outside line is busy when you place a call, you can request a callback. Your call will wait in a line (called a queue) for the extension or line to become available. The system will then alert you with a priority ring and complete the call.
Conference Calls You can set up a conference that includes a combination of System 25 extensions as well as outside calls. You may have up to five conferees; however, no more than two may be on outside lines. Setting Up Conference Calls 1 Dial the first person and announce the conference call.
Coverage If your System Administrator has administered this feature, calls to you can be answered (covered) at specified telephones when you do not answer the call yourself. Calls unanswered at your telephone will start ringing at the covering telephone after a preset number of rings.
Data Calls Placed from Your Telephone If your System Administrator has assigned a your telephone, you can use it to place data calls for your associated data terminal. Placing a Data Call Turn on your data terminal. Lift the handset on the associated telephone and listen for dial tone.
Direct Group Calling (DGC) Your System Administrator will advise you if you have been assigned as a member of a Direct Group Calling (DGC) group. Calls that go to these groups are distributed among its members for the purpose of answering incoming group associated calls. Leaving the Group 1 Listen for dial tone, then press 2 Listen for confirmation tone and hang up.
Direct Station Selection (DSS) The DSS buttons allow you to make a call without dialing the digits. The number is stored in the memory system. There are two kinds of DSS buttons: Fixed and Flexible. The fixed DSS buttons, consist of extension numbers or access codes programmed the System Administrator.
Directory If your telephone has an attached display and your System Administrator has set up a system directory, you can use the display to obtain extension numbers, data numbers, or DGC access codes for people connected to your System 25. With this display feature, you can access the name and number of a specific person.
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Directory (Continued) 3 Press The system will provide you with the first name in the directory that matches the search combination that you specified. At the beginning of each entry, you will will see the letter “ D“ to remind you that you are using the Directory feature.
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Directory (Continued) Placing Directory Calls When the display shows the name and number of the person you want to call, press The system will automatically dial the number presently appearing on your display. If you handset is on-hook, your speakerphone will turn on. Exiting from the Directory When you do one of the following, you automatically deactivate the Directory feature:...
Display Some telephones come with a 16-character display. If your telephone has an attached display, use the following directions and sample screens to help you use the display more efficiently. Your display can be used in the following ways: Handling calls more easily Checking the time and date Setting the alarm, time, day, date, and timer Programming buttons or speed dialing codes from your...
Display (Continued) The following is an example of a double-screen display, in which the telephone number is continued on Screen 2. Using the Display Usually, you use the display to check the name/extension of the caller (internal calls) or the type of outside line on which the call is coming in (outside calls).
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Display (Continued) Conferencing The display for a conference call is slightly different from the display for an inside or outside call. In the last two positions on the display are the display symbol associated with conference calls, “A”, and the number of conferees currently in the conference.
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Display (Continued) DGC Group If you are a member of a Direct Group Calling (DGC) group, you can view the number of calls waiting to be handled by the group. In the last position of Screen 1, you will see a number from O through 9, indicating the number of calls waiting for the DGC group.
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Display (Continued) Screens of a Redirected Call A display for a redirected call has two screens. Each screen includes the following information: This screen includes a “ >” or “}”, followed by the Screen 1. original telephone extension number and name, if available. This screen includes the extension number and Screen 2.
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Display (Continued) Display Symbol Summary Display Symbols for Screen 1 The display symbols that apply to the first character position of Screen 1 and their meanings are provided in the table below. Display symbol > A redirected or coverage call has been sent to the console.
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Display (Continued) Display Symbols for Screen 2 When you receive a redirected call, the last letter on Screen 2 will give you valuable information concerning the call. The display symbols and their meanings are provided in the table below. Display symbol This is a data terminal call.
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Display (Continued) Programming Your Telephone When you start to program the buttons and/or codes, the display will show: PROGRAM While you are dialing the numbers and/or special characters that you want stored on a button or programmed into a dialing code, the display will show the numbers and/or have dialed, as in the following example: For more information about programming...
Display Functions button provides access to special features built into your display unit. The buttons at the top of the telephone (next to the display screen) control a clock, calendar, 60-minute timer, and an alarm. When you press you select next. Your display will remain in the “Local” mode until you either place a call, receive a call, or press again.
Exclusion This feature prevents others from listening in on a shared line. If you are on a call and activate this feature, it will automatically disconnect all other inside lines. To include selected inside people on your call, press Activating Exclusion 1 Answer or place a call.
Following You can have your personal calls sent to another telephone by using either the Following or the Forwarding feature. To use the Following feature, at a telephone other than your own, you sign in your extension number. To cancel the request, you may either sign out your extension number from that other telephone, or sign in at your own telephone.
Forwarding You can have your personal calls sent to another telephone or to an outside number. Unlike the Following feature, you do not need to sign in your extension number at the other telephone. Instead, simply forward your calls to another location while you are still at your own telephone.
Hands-Free Answering When you use the Hands-Free Answering feature on any of the telephones listed below, you can answer inside calls without lifting your handset. All Built-in-Speakerphone (BIS) telephones All telephones with a Hands-Free Answer on Intercom button All telephones with a Hands-Free Unit (HFU) 5-, 10-, 22-, and 34-Button telephones without an HFU If your telephone has an attached display, you cannot use the Hands-Free feature when you are using the Directory or Inspect...
Hands-Free Answering (Continued) If you have only a Speaker button, you can hear the NOTE: caller, but the caller cannot hear you until you pick up the handset. If you have a Speakerphone and Microphone, or button, you can hear the caller and the caller can without lifting your handset.
Hold You can hold calls while you attend to other matters and then pick them up again. After you put a call on hold, you may hang up the handset without losing the call. To pick up a call you have placed on hold you must use the same telephone (or one that shares the same line).
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Hold (Continued) Hold - Answering Another Call 1 Press The light next to the button of the held call blinks. 2 Press the button next to the blinking light. 3 Speak with the caller. 4 To return to the held call, press the button next to the blinking light.
Inspect If your telephone has an attached display, you can use the button to do the following: Identifying Calls on Hold The display is the same as the one shown when the call first came in, as in these examples: 329 Tango, S OUTSIDE Identify Programmed Numbers...
Inspect (Continued) Check Features Assigned to Buttons If you inspect a button other than those shown above, you will simply see the name of the feature assigned to that button. For example: Using the Inspect Feature While using the Inspect feature, you are able to answer calls. 1 Press The display will initially read: 2 Press the button you want to inspect.
Last Number Dialed You can redial the last number you dialed (up to 16 digits) by using the Numbers are stored in Dialing feature or the following buttons: Numbers are not stored in Account Code Entry or Call Accountability features or the following buttons: Using Last Number 1 Listen for dial tone.
Leave Word Calling You can use the Leave Word Calling feature only if the VOICE POWER Voice Message System is connected to your System 25. You may want to use the Leave Word Calling feature for any of the following reasons: person you called is busy call is unanswered have requested callback for that extension...
Message Waiting Message Waiting is available on most multiline telephones, and is a feature that can be used by anyone in the system. Most telephones have a light that indicates a waiting message. You may also have a turn the light off after you receive messages. If yor telephone does not have a code to turn it off.
Night Service When the attendant leaves for the night, the system can be set so that incoming calls either ring a night bell or are directed to preassigned telephones. See your System Administrator for the night service access code. Answering Calls 1 Listen for dial tone.
Paging If your company has a paging system, you may access the system by using either a button or a code. See your System Administrator for the paging access code, and for additional information if you have zoned paging. Using the Paging System 1 Listen for dial tone.
Park Parked calls are similar to held calls except that they can be picked up from any telephone. If a parked call is not picked up within a preset interval (the usual time is two minutes), it will ring at the telephone that parked the call. You can only park one call at a time from your telephone.
Personal Message Waiting You and another person may have been assigned a button that is used to signal each other. If so, a waiting message is indicated by the light next to turned off at either telephone. Sending a Personal Signal 1 Do not lift the handset.
Pickup Pickup allows you to answer a call that is ringing at another telephone. All multiline telephones have this fixed feature. Picking Up Calls 1 Listen for dial tone, then press 2 Dial the extension number of the ringing telephone. Picking Up Calls in Your Pickup Group 1 Listen for dial tone.
Placing Calls You can place calls to people inside your company with calls to people outside your company with the following buttons: lines in this group are busy. If the light is on, you can activate a “busy-to-idle” reminder. This reminder lets you know when the line is no longer busy.
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Placing Calls (Continued) Using Facility or Pers Line Buttons 1 Press 2 Dial the telephone number or press a Requesting Busy-to-idle Reminder If all outside lines are busy when you try to place a call, you can request a Busy-to-Idle reminder and be notified when a line is available.
Programming Numbers You can program numbers into buttons, and Personal Speed Dialing codes. While only extension buttons (maximum of 28 characters) and Personal Speed Dialing codes (maximum of 25 characters). Special Characters You may need to use the “*” and the “ #” when you program numbers.
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Programming Numbers (Continued) Using # as a Character If you want to use a “ # “ as an actual character, you must place two “ # “s in the programmed number. For example, you may want to program a Call Accountability feature access code (# # extension), into a You program: # # # #275 This means:...
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Programming Numbers (Continued) Programming or Using the Switch 1 Slide the switch on listen for dial tone. 2 If you want to remove a number, go to Step 3. Dial the number you want to program. 3 To indicate on which button this number should be programmed or removed: Press Press “...
Recall If a System 25 telephone or outgoing line is busy when you attempt to place a call, you can press When the telephone or outgoing line becomes available, the system will ring your telephone. For more information about this feature, see the “Callback” section. In addition, if your company uses certain Central Office features, Check with your System Administrator for a description of available features, access codes, and procedures.
Repertory Dialing (REP DIAL) You can program telephone numbers, account codes, or feature access codes into buttons (a maximum of 28 characters). You can then dial the programmed number by pressing numbers, see the For instructions on how to program section for “Programming Numbers”.
Send All Calls You can use the immediately to coverage. If you do not have coverage, the Send All Calls feature simply turns off the ringer at your telephone for most incoming calls. In either case, the light next to the ringing button blinks until the call is answered, or until the caller hangs Your System Administrator determines whether or not your telephone will ring once when a call comes in, to remind you...
Signaling You can use a button to send an alert to another telephone without actually calling that telephone. Signaling Another Telephone 1 Do not lift the handset. 2 Press The other telephone receives a short burst of ringing tone.
Speaker Some telephones have a place calls without lifting the handset, and allows others to listen during calls. You cannot speak to the caller unless you lift the handset. Placing Calls...
Speakerphone If you have a Built-In-Speakerphone (BIS) telephone or multiline telephone with a Hands-Free Unit (HFU), you can use the Placing Calls The light next to Speakerphone turns on to indicate that you can listen, and the light next to Microphone turns on, indicating that you can be heard on the other end.
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Speakerphone (Continued) Ending Calls 1 Wait until you have completed your conversation. The lights next to the Speakerphone and Microphone buttons go off.
Speed Dialing Speed dialing allows you to dial telephone numbers (or enter account codes) by simply dialing “ # “ and a 2- or 3-digit code. There are two kinds of speed dialing— Personal and System. Personal Speed Dialing codes are 2-digit numbers that allow you to program up to twenty personal numbers.
Testing Your Telephone You can test the lights and ringer on your telephone if you have a Test/Program Switch. On some telephones, the Test/Program switch has a spring. If so, you must hold the switch in the “T” position to test the lights and ringer; the switch will automatically return to the midpoint when released.
Transfer You can easily transfer calls to another System 25 telephone. You can also transfer some calls to outside lines. However, you should see your System Administrator for more information about this type of transfer. When you transfer a call, the original person is temporarily placed on hold and is not connected to the other person until you hang up.
Glossary account code feature that allows you to assign account entry codes to calls to charge them to specific customers, clients, or business cases. alarm feature that warns you of system problems. assigned button button that may be given to you as an optional feature.
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confirmation three short tones indicating that an tone action was accepted. coverage feature that allows individuals to have their calls answered by someone else. (Data Dial Code) extension number assigned to a data terminal. (Direct Group Calling) a group of telephones where incoming calls are distributed among the group members.
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feature access series of numbers and characters that allow code you to access System 25 features. fixed feature standard feature that is available to every telephone. following/ feature that allows you to redirect forwarding calls to another telephone. hands-free feature that provides answering of answering calls without lifting the handset.
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either the handset has been removed from off-hook its cradle or the speaker/speakerphone is turned on. the handset is in its cradle and the on-hook speaker/speakerphone is turned off. call between a System 25 telephone and a outside call telephone not connected to the System 25. Outside calls are made over Central Office or other lines and are signalled by two short rings.
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repertory dialing feature that allows you to program a telephone number or account code into a REP DIAL button and then dial by pressing that button. ringback tone repeating on/off tone indicating that the number you dialed is ringing. ringing line feature that allows the telephone to select preference the ringing line automatically when you lift...
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AT&T System 25 QUICK REFERENCE CARD Multiline Telephone FEATURE ACCESS CODES FEATURE Account Code to enter an Account Code Call Accountability to charge call to correct extension to request callback for a busy ext./line Callback to cancel callback, while on that call Call Waiting I to answer call waiting to leave your DGC group...
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