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555-540-702
Issue 1
1989
AT&T System 25
Single-Line Telephone
User Guide
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©1989 AT&T All Rights Reserved Printed in USA TO ORDER COPIES OF THIS DOCUMENT REFER TO DOCUMENT NUMBER 555-540-702. Your AT&T sales representative, or Contact: Call: 800-432-6600, Monday to Friday between 7:30 am and 6:00 pm EST. In Canada call: 800-255-1242, or Write: AT&T Customer Information Center 2855 North Franklin Road P.O. Box 19901 Indianapolis, Indiana 46219 Every effort was made to ensure that the information in this document was complete and accurate at the time of printing. However
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Contents Introduction Single-Line Features 5 5 Account Code Entry 7 Call Accountability 8 Call Waiting 9 Callback 10 Conference Calls 11 Direct Group Calling (DGC) 12 Following 13 Forwarding 14 Hol d 15 Leave Word Calling 16 Message Waiting 17 Night Service 18 Paging 19 Par k 20 Pickup 21 Placing Calls 22 Programming Speed Dialing Codes 25 Speed Dialing 26 Transfer Glossary 27
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Introduction This guide describes the features available to you from AT&T System 25 through a single-line 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. Therefore, as you learn to use the features, you can make and receive calls with your telephone just as you would with an ordinary phone. System 25 supports both touch-tone and rotary set
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The Switchhook The switchhook is the button held down by the handset when it rests in the cradle on your telephone. Some System 25 features require that you use the switchhook to signal the system. When you are instructed to press the switchhook, press the button down as far as it will go for approximately 1/2 second and then release it. If the switchhook is released too soon, the signal will not work. If you hold the switchhook down for too long your call will be disconnected. If you want to ha
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Handset Tones System 25 signals you with tones that are heard through the handset. The tones and their descriptions are listed below. DIAL TONE lllllllllllllllllllllllllllllllllllllllllllllllllIll (a continuous steady tone) You can dial. CONFIRMATION TONE II II II (three short tones) Your action has been accepted. RINGBACK TONE IIIIIIIIIIIIIII IIIIIIIIIIIIIII (repeating on/off tone) The number you dialed is ringing. SPECIAL RINGBACK TONE IIIIIIIIIIIIIIIII II (one long tone and one short, dull to
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Data Dial Code (DDC) When your System 25 was installed, Data Dial Codes (DDCSs) 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). Additional
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Single-Line 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 mandatory, you may still use the Account Code Entry feature. See your System Administrator to verify the types of calls, if any, for which you must enter an account code. Account Code Entry - Outgoing
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Account Code Entry (Continued) Account Code Entry - Incoming Calls Your call will be disconnected when you follow this procedure. Therefore, do not attempt it until you have finished your conversation. After you have completed your conversation, and before you 1 hang up, press the switchhook. 2 Listen for confirmation tone and dial tone. Dial * 0 . 3 ❑ ❑ 4 Dial the account code. NOTE: If you make a mistake while entering the account code, dial * 0 again and then the account code. ❑ ❑ Listen
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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. NOTE: If you make a mistake, hang up and restart the sequence. 7
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Call Waiting While you are using your phone, you may be notified through If you hear one short tone, it the handset that a call is waiting. is an inside call waiting for you; two short tones indicate that you have an outside call waiting. You must either end the existing call or place it on hold in order to answer the call waiting. Answering - Holding the Existing Call 1 Press the switchhook. 2 Listen for confirmation tone and dial tone. 3 Press * 9 . ❑ ❑ 4 Answer the waiting call. 5 After c
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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 (a “queue” ) for the extension or line to become available. The system will then ring you back and complete the call. For inside calls, use Callback when you hear a busy or special ringback tone. For outside calls, use Callback only when you hear a fast busy tone. (You may hear the callback request queueing tone automatically when you place certain calls.)
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Conference Calls You can set up a three-party conference that includes other System 25 people as well as outside callers. When you are on a conference call, if you drop the first person you placed in the conference, you will loose the entire call. (If the first person hangs up, however, the second person will remain, and the conversation can be completed. ) You can drop the second person added to the conference and still continue with your call. Setting Up Conference Calls 1 Dial the first perso
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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 Members may temporarily not receive incoming calls by use of the following procedures: 1 Listen for dial tone, then press * 4 . ❑ ❑ 2 Listen for confirmation tone and hang up. Returning to the Group 1 Listen
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Following You can have personal calls sent to another phone by using 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 phone, or sign back in at your own telephone. Although Following and Forwarding send your calls to another telephone, the two features differ slightly. Read the information and procedures for both, and th
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Forwarding You can have your personal calls sent to another extension or to an outside number. Unlike the Following feature, you do not need to be at the other telephone. Instead, simply forward your calls to another location while you are still at your own telephone. Read the information and procedures for both the Forwarding Then use the feature that best fits your and Following features. needs. NOTE: Your System Administrator may or may not allow your telephone to forward calls to outside tel
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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 then hang up the handset without losing the call. To pick up a call you have placed on hold you must use the same telephone where you held the call. If you want to put a call on hold and pick it up from another extension, you must use the “Park” feature. Using Hold 1 Press the switchhook. 2 Listen for confirmation tone and dial tone. 3 You may go back to your call by press
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Leave Word Calling You can use the Leave Word Calling feature only if the VOICE POWER Voice Message System (VMS) is connected to your System 25. For instructions on obtaining messages left at your telephone, see your System Administrator. Leaving Messages 1 Listen for dial tone, then press # 9 2 . ❑ ❑ ❑ 2 Dial the extension of the other person. 3 Listen for confirmation tone, then hang up. NOTE: If you hear fast busy tone instead of confirmation tone, either the other telephone does not ha
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Message Waiting Your telephone may have a light that tells you when the attendant or another person in the system has a message for you. You can turn the message light on and off at any telephone in your system that has a message light (including your own). Turning On Message Lights 1 Listen for dial tone, then press # 9 0 . ❑ ❑ ❑ 2 Dial the extension number of the other telephone. 3 Listen for confirmation tone, then hang up. NOTE: If you hear fast busy tone instead of confirmation tone,
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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 See your System Administrator for the preassigned telephones. Night Service access code. Answering Night Service Calls 1 Lift the handset and listen for dial tone. 2 Dial the Night Service access code. 17
