AT&T 1070 User Manual
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AT&T 1070 User Manual

4-line small business system with caller id/call waiting and speakerphone
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See also: Installation Manual , Quick Reference Manual
User's manual
1070
4-Line small business system
with caller ID/call waiting
and speakerphone
7

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Questions and answers

Rob
May 2, 2025

Why line #1 does not pick up first on 1070 4-Line small business system

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1 comments:
Mr. Anderson
May 17, 2025

Line #1 may not pick up first on the AT&T 1070 if the prime line is set to a different line. The prime line is the one the phone selects automatically when lifting the handset or pressing [SPEAKER] or [HEADSET]. You can change the prime line setting in the phone's programming menu.

This answer is automatically generated

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Summary of Contents for AT&T 1070

  • Page 1 User’s manual 1070 4-Line small business system with caller ID/call waiting and speakerphone...
  • Page 2 Congratulations on purchasing your new AT&T product. Before using this AT&T product, please read the Important product information on pages 69-70 of this user’s manual. Please thoroughly read the user’s manual for all the feature operation and troubleshooting information you need to install and operate your new AT&T product.
  • Page 3 STOP! Do you receive DSL (digital subscriber line) service for high-speed Internet access through your telephone line(s) from your telephone company? If so, you need to add either DSL splitters and/or microfilters to your installation. See page 9 of the installation guide. For customer service or product information, visit our website at www.telephones.att.com 1 (800) 222-3111...

  • Page 4: Table Of Contents

    User's manual 1070 4-Line small business system with caller ID/ call waiting and speakerphone Table of contents Getting started Introduction ............................1 Telephone overview .......................... 2 Display screen messages ....................... 4 LCD CONTRAST ..........................4 Indicator lights & tones ........................6 Indicator lights ..........................
  • Page 5 Intercom operation Intercom overview ..........................25 Intercom ..............................26 Make an intercom call with the handset .................26 Make an intercom call with the speakerphone or headset ........27 Answer an intercom call ......................28 End an intercom or page call ....................28 Voice page ............................29 Page a specific extension (single-phone page) ............29 Answer a single-phone page ....................30 Page all (system-wide page) ....................31...
  • Page 6 Reviewing the call history and returning calls ..............54 To review the call history ......................54 To return a call (display dial) ....................54 To delete an entry or all entries....................55 Changing the format of the caller ID number ..............55 To remove a specific entry ......................55 To remove all call summary entries ...................55 To store an entry to the directory or a one-touch key ..........56 To save an entry to the directory ..................56...

  • Page 7: Getting Started

    Introduction This AT&T Small Business System is expandable to a 16-extension telephone system. The 1070 telephone is compatible with the 1040 and 1080 telephones. For details, see the installation guide. This system is not compatible with any other AT&T 4-line small business telephones, except for the 1040 and 1080 telephones.

  • Page 8: Telephone Overview

    TRANSFER Press twice to turn Press to transfer on the Do Not an outside call Disturb feature to another (page 15). 1070, 1080, or Press again to 1040 extension resume normal use telephone (page (page 15). 23). HEADSET JACK FLASH...
  • Page 9 Getting started Telephone overview Navigation keys One-touch keys Press to scroll up, Press to make an down, left or right intercom call (page while in the menu. 26) or a one-touch outside call (page 38). ENTER VOLUME Press until you see While the telephone the main menu.

  • Page 10: Display Screen Messages

    1080 telephone are full or when the auto attendant of the DTAD mailbox 1080 telephone is off. (XX is the total number of new system extension messages recorded for this 1070 telephone. YY is the total number of all system extension messages recorded for this 1070 telephone.)
  • Page 11 Getting started Display screen messages Continued from previous page (EMPTY) The directory or one-touch location is empty. EXT XX RING There is an incoming Centrex call. FULL! The directory is full. INITIALIZING. . The telephone is warming up after having its power connected.

  • Page 12: Indicator Lights & Tones

    Getting started Indicator lights & tones Indicator lights LINE Green: • On when the line is in use. • Flashes slowly when the line is on hold. • Flashes quickly when there is a transferred call on the line, when there is an incoming call, or when there is an incoming auto attendant transferred call on the line.

  • Page 13: Alert Tones

    Getting started Indicator lights & tones Continued from previous page NEW CALL • On when there are unreviewed calls. • Flashes when there are new voice mail messages. The screen displays COVM, with 1, 2, 3, and/or 4 under COVM, depending on which lines have messages waiting.

  • Page 14: Directory Card

    Getting started Directory card To write names and phone numbers on the directory card, follow the steps below: Remove the clear plastic cover by inserting a small item such as a paper clip into the hole at the lower right corner. Pull out the directory card.

  • Page 15: Telephone Operation

    Telephone operation Basic phone operation This phone comes programmed to use line 1 (default prime line) for calls when you do not press a line button. (To change the prime line, see PRIME LINE on page 39 of the installation guide.) When you answer a call, the phone automatically selects the ringing line.
  • Page 16 Telephone operation Basic phone operation Continued from previous page Handset • To make a call: Lift the handset. Dial a number. • To override automatic line selection, press the LINE button for the line you wish to select, then lift the handset. •...
  • Page 17 Telephone operation Basic phone operation Continued from previous page Headset (purchased separately) You can use this phone hands-free when you install any industry-standard two-band 2.5mm headset or other compatible, electronically isolated headset (see page 17 of the installation guide). Purchase the headset separately. •...

  • Page 18: Switching Among Handset, Speakerphone And Headset Mode

    Telephone operation Basic phone operation Switching among handset, speakerphone and headset mode To switch from handset to headset or speakerphone, press [HEADSET] or SPEAKER], then replace the handset. (In order to use the headset, it must be plugged in.) To switch from speakerphone to handset, lift the handset.

  • Page 19: Volume Control

    (1-5). While using the volume control, you will hear a triple-beep when you reach the minimum or maximum level. Your 1070 remembers the volume setting for each mode. Ringer volume • When the telephone is idle, press [ VOLUME] to sample and select the desired volume (1-4) for all ringers.

  • Page 20: Ringer On/Off

    Telephone operation Basic phone operation RINGER ON/OFF RINGER ON/OFF Use this feature to control whether there is an audible alert for outside calls on the designated line. L1 RINGER Press [ENTER]. Press [ ] or [ ] until you see PHONE SETTINGS.

  • Page 21: Do Not Disturb

    Telephone operation Basic phone operation DO NOT DISTURB Use this feature to silence your telephone. When you activate the Do Not Disturb (DND) function, you will not hear paging tones, voice paging, or incoming call ringing. Instead, the LINE light flashes to signal an incoming call.

  • Page 22: Last Number Redial

    Telephone operation Basic phone operation Last number redial Use this feature to display the last dialed number from this extension. The last number dialed (up to 32 digits) is stored in the redial memory until you dial another number. Press [(AUTO) REDIAL] to see the most recently dialed number.

  • Page 23: Redial Stack

    Telephone operation Basic phone operation Redial stack Use this feature to review the numbers in the redial memory and dial one of them if you wish. (The last six numbers dialed from this extension are automatically stored in the redial memory stack.) When the phone is idle, press [(AUTO) REDIAL].

  • Page 24: Auto-Redial

    Telephone operation Basic phone operation Auto-redial Use this feature to automatically redial a number up to ten times. When the phone automatically redials the number, if the prime line is available, the phone uses the prime line to dial the call. Follow the instructions under Redial stack (page 17) to find the number you want to call.

  • Page 25: Call Waiting

    Telephone operation Basic phone operation Call waiting Use this feature to control call-waiting calls. If you subscribe to a call waiting service with your local telephone company, there will be a beep if there is an incoming call when you are already on a call on the same line.

  • Page 26: Hold

    Telephone operation Basic phone operation HOLD Use this feature to hold one line while accessing another, or as part of the conference and call transfer features. While on a call, press and release [HOLD]. The LINE light for the line on hold flashes slowly in green, and a double-beep sounds every 30 seconds to remind you that the call is on hold.

  • Page 27: Switching Between Lines

    Telephone operation Basic phone operation Switching between lines Use this feature to switch between lines during an outside call: Press and release [HOLD] to maintain the connection to the call on the active line. Press and release the LINE button of another line to make or answer another call.

  • Page 28: Conference Calls

    Telephone operation Basic phone operation Conference calls Use this feature to set up a three-party call by using two lines at the same time. You can also join an intercom call with a call on an outside line. The outside line call must be established first, because an intercom call cannot be put on hold.

  • Page 29: Call Transfer

    Telephone operation Call transfer Transfer a call Use this feature to transfer a call to any other system phone. Once you transfer a call, it can be picked up at any other system phone, not just at the extension you called. NOTE: If a transferred call is not picked up within 20 minutes, the phone automatically disconnects the call.

  • Page 30: Transfer A Call And Speak To The Receiving Party

    Telephone operation Call transfer Transfer a call and speak to the receiving party Use this feature to transfer a call and speak to the 10:01AM 11/23 receiving party. While on a call: 00:30 Press [INTERCOM]. The outside call is automatically put on hold and INTERCOM TO displays and the called extension number.

  • Page 31: Intercom Operation

    This 1070 telephone is fully compatible with any AT&T Four-Line Small Business System Speakerphone 1040 or 1080 phones you might have installed. You can use a total of 16 1080/1070/1040 phones together as extensions in your phone system. Each individual phone in your telephone system MUST be assigned a unique extension number for the intercom feature to work.

  • Page 32: Intercom

    Intercom operation Intercom Use this feature to make calls between system phones. Make an intercom call with the handset If the one-touch preference is set to INTERCOM (page 35), skip to step 2. -OR- 10:01AM 11/23 If the one-touch preference is set to EXT 11 INTERCOM TO TELEPHONE (page 35), press [INTERCOM].

  • Page 33: Make An Intercom Call With The Speakerphone Or Headset

    Intercom operation Intercom Make an intercom call with the speakerphone or headset 10:01AM 11/23 Use this feature to make an intercom call. With EXT 11 the handset in the telephone base: INTERCOM TO If the one-touch preference is set to PAGE INTERCOM, skip to step 2.

  • Page 34: Answer An Intercom Call

    Intercom operation Intercom Answer an intercom call Use this feature to answer an intercom call. When you receive an intercom call, you hear a repeating 10:01AM 11/23 double-ring pattern and your screen displays EXT 12 INTERCOM FROM with the extension number of INTERCOM FROM 11 the caller.

  • Page 35: Voice Page

    Intercom operation Voice page Page a specific extension (single-phone page) Use this feature to send your voice to the speaker of the called phone. The person you’ve called might be able to respond just by talking. See AUTO MUTE on page 35 of the installation guide. Press [INTERCOM].

  • Page 36: Answer A Single-Phone Page

    Intercom operation Voice page Answer a single-phone page 10:01AM 11/23 Use this feature to answer a single-phone page. EXT 12 PAGE FROM 11 Auto-mute off When your extension receives a page, the phone beeps and the speakerphone automatically turns on. Answer the call simply by speaking. If you are on the headset, answer the page by pressing [HEADSET] and speaking through the microphone of the headset.

  • Page 37: Page All (System-Wide Page)

    Intercom operation Voice page Page all (system-wide page) Use this feature to send your voice to the speakers of all phones in the system. Press [INTERCOM], then [ ] to show PAGE ALL. Press [ENTER]. The screen displays PAGE ALL. Once the page is automatically answered, speak and your voice is heard at all idle extensions on your phone system.

  • Page 38: Answer A System-Wide Page

    Intercom operation Voice page Answer a system-wide page 10:01AM 11/23 Use this feature to answer a system-wide page. EXT 12 PAGE ALL FROM 11 NOTE: Only one extension can answer a [ENTER]: ANSWER system-wide page. When you receive a system-wide page, your 10:01AM 11/23 phone beeps and the screen shows PAGE ALL...

  • Page 39: Room Monitor

    Intercom operation Voice page Room monitor Use this feature to monitor a room. Make a 10:01AM 11/23 single-page call to a system phone to monitor the EXT 11 sounds from that room. To use this feature, the PAGING auto-mute feature on the called telephone must INTERCOM be turned off (page 35 of the installation guide).

  • Page 40: One-Touch Setup And Operation

    One-touch setup and operation One-touch overview This telephone has 32 one-touch locations (speed dial locations) where you can store the phone numbers you wish to dial using fewer keys than usual. You can store up to 24 digits in each NOTE: Also use the location.

  • Page 41: One Touch

    One-touch setup and operation One touch Assign the buttons (one-touch keys) on the right side of the phone as intercom or outside call shortcut keys. You can enter and view the outside phone numbers through one-touch keys. PREFERENCE Use this feature to assign the one-touch keys as ONE TOUCH intercom or outside-call shortcut keys.

  • Page 42: One-Touch Storage

    One-touch setup and operation One-touch storage Use the following steps to program the one-touch keys. PROGRAM Press [ENTER]. The screen displays ONE TOUCH. (ENTER NUMBER) PAUSE Press [ENTER]. Press [ ] or [ ] repeatedly until you see PROGRAM. Press [ENTER]. The screen includes (ENTER NUMBER).
  • Page 43 One-touch setup and operation One-touch storage Continued from previous page Press the desired one-touch key to store the telephone number in the normal location. -OR- [LOWER], Press then the desired one-touch key to store the telephone number in the lower location.

  • Page 44: To Dial A One-Touch Number

    One-touch setup and operation To dial a one-touch number Use this feature to dial a one-touch number. The one-touch preference is preset to INTERCOM. NOTE: To change the one-touch preference, see PREFERENCE on page 35 of this manual. If one-touch preference is set to INTERCOM: Lift the handset.

  • Page 45: To View Or Delete A One-Touch Number

    One-touch setup and operation To view or delete a one-touch number To view a one-touch number Use the following steps to view a one-touch VIEW SPD#15 5550100 number. Press [ENTER]. CANCEL Press [ ] or [ ] until you see ONE TOUCH. Press [ENTER].

  • Page 46: To Modify A One-Touch Number

    One-touch setup and operation To modify a one-touch number Use the following steps to modify a one-touch number. VIEW SPD#01 When a one-touch telephone number is 5550100 displayed, press [ ] or [ ] to highlight MODIFY. MODIFY Press [ENTER]. Press the dial pad keys to enter up to 24 digits.
  • Page 47 One-touch setup and operation To modify a one-touch number Continued from previous page Press the desired one-touch key to store the telephone number in a location. -OR- Press [LOWER], then press the desired one- touch key to store the telephone number in the lower location.

  • Page 48: Directory

    Directory Directory overview Pat Williams This 1070 telephone can store up to 200 names 5550100 and phone numbers in the directory. Names can have up to 16 characters and numbers can have up to 24 digits. Because directory entries are stored in alphabetical order, you might wish to enter names with the last name first.

  • Page 49: Store A Name And Number In The Directory

    Directory Store a name and number in the directory Use the following steps to store a name and number in the directory. DIRECTORY Press [DIR] to begin working with the directory. Press [ ] until the screen includes ADD ENTRY. VIEW ENTRIES Press [ENTER].

  • Page 50: Store A Pause In A Directory Number

    Directory Store a name and number in the directory Continued from previous page Pat Williams (ENTER NUMBER) Use the dial pad keys to enter the desired DONE phone number. -OR- Pat Williams Press [(AUTO) REDIAL] to copy the last number 5550100 dialed at this extension onto the screen.

  • Page 51: Store A Temporary Tone Signal In A Directory Number

    Directory Store a name and number in the directory Store a temporary tone signal in a directory number Pat Williams If you have dial pulse (rotary) service, use this 5550100 feature to store tone signals in a directory number. You might need tone signals to use bank-by- TONE phone and other services.

  • Page 52: Review Directory Entries

    Directory Review directory entries Use this feature to review directory entries. Press [DIR] and then [ENTER] to begin working DIRECTORY with the directory entries. Press [ ] or [ ] to scroll through the directory VIEW ENTRIES entries. -OR- Andrew Press the dial pad key for the first character of 5556789 the entry you wish to review until the character...

  • Page 53: Edit A Directory Entry

    Directory Edit a directory entry When a directory entry displays, follow the steps below to edit the entry: Pat Williams Press [ENTER]. 5550100 Press [ ] or [ ] to scroll to MODIFY. Press [ENTER] to edit the name. Press [ ] to move the cursor to the left or [ ] to move the cursor to the right.

  • Page 54: Dial And Remove An Entry From The Directory

    Directory Dial and remove an entry from the directory Dial a number from the directory Pat Williams Use the following steps to dial a number from the 5550100 directory. Find the entry for the number you wish to DIAL call by following the directions under Review directory entries on page 46.

  • Page 55: Remove All Entries From The Directory

    Directory Remove all entries from the directory Use the following steps to remove all entries from the directory. DIRECTORY Press [DIR] to begin working with the directory. Press [ENTER] to select VIEW ENTRIES. END OF LIST Press [ ] or [ ] until the screen shows END OF LIST.

  • Page 56: Caller Id Operation

    Caller ID operation Caller ID operation About caller ID This telephone has a caller ID feature that works with caller identification service provided by your local telephone company. There is a fee for this service, and it might not be available in all areas. This telephone can provide information only if both you and the caller are in areas offering caller identification service, and if both telephone companies use compatible equipment.

  • Page 57: How Caller Id Works

    Caller ID operation Caller ID operation RING! How caller ID works 10:01AM 11/23 CHRISTINE SMITH If you subscribe to caller ID service provided by 19085550100 your local telephone company, information about LONG DISTANCE each caller is displayed between the first and second ring.

  • Page 58: Calls Received On Two Or More Lines Simultaneously

    Caller ID operation Caller ID operation Calls received on two or more lines simultaneously RING! 10:01AM 11/23 Your screen can display the caller ID information CHRISTINE SMITH for only one call at a time, but you can switch 5550100 between the information for two or more ringing lines by pressing [ ] or [ ].

  • Page 59: Call History

    Caller ID operation Caller ID operation Call history 10:01AM 11/23 Information about the last 200 incoming calls is CHRISTINE SMITH stored in the call history. The most recent call has 19085550100 the highest entry number. (For example, if two CL#002 calls have been received, the call with the entry number 002 in the call history is the more recent.) You can review the call history to find out who has...

  • Page 60: Reviewing The Call History And Returning Calls

    Caller ID operation Reviewing the call history and returning calls CALL HISTORY 200 CALLS To review the call history 050 NEW Use the following steps to review the call history. Press [CALL HISTORY]. The screen displays 10:31AM 11/23 CALL HISTORY and the number of total calls Pat Williams and new calls in the call history.

  • Page 61: To Delete An Entry Or All Entries

    Caller ID operation To delete an entry or all entries Changing the format of the caller ID number If you need to add or remove the area code or a 1 10:11AM 11/23 Chris Thompson at the beginning of the number: 9085550100 DIAL ALTERNATE Follow the directions in steps 1 and 2 of To...

  • Page 62: To Store An Entry To The Directory Or A One-Touch Key

    Caller ID operation To store an entry to the directory or a one-touch key To save an entry to the directory 10:11AM 11/23 Use the following steps to save an entry. Chris Thompson Press [CALL HISTORY]. 5550100 CL #198 Press [ ] or [ ] until you see the desired entry. Press [ENTER], then [ ] or [ ] until you see COPY 10:11AM 11/23...

  • Page 63: Call Waiting And Message Waiting

    Caller ID operation Call waiting and message waiting CID with call waiting If you subscribe to caller ID with call waiting (CALL WAITING) L1 service and you receive a call waiting call, not Chris Thompson only will you hear the normal call waiting tone, 5550100 but (CALL WAITING) and the caller information for the incoming call appear on the screen.

  • Page 64: Covm Reset

    Caller ID Operation COVM RESET Use the Central Office Voice Mail Reset feature when the phone display and NEW CALL light indicate there is voice mail when you have none. 10:01AM 11/23 You might have accessed your voice mail from EXT 11 a remote location (while away from the phone).

  • Page 65: Using A 1080 Mailbox

    DTAD an auto-attendant (Digital Telephone Answering Device) mailbox for 1080 telephone the 1070 or 1040 telephones in the same system. When the DTAD mailbox is designated, the answering system of the DTAD mailbox 1080 telephone can answer calls transferred by the auto-attendant system and record caller’s...

  • Page 66: To Set Up Call Forwarding

    Using a 1080 mailbox To set up call forwarding To turn call forwarding on Use this feature to turn the call forwarding to DTAD mailbox function on or off. SYS EXT MAILBOX Press [ENTER]. FWD TO DTAD Press [ ] or [ ] to scroll to SYS EXT CALL FORWARD MAILBOX.

  • Page 67: Listening To Messages - Internal Access

    Using a 1080 mailbox Listening to messages - internal access If a 1070 phone is assigned to a 1080 system extension mailbox, the screen will display the number of new and all messages you have. You will see DTAD: XX/YY, with XX being the number...
  • Page 68 Continued from previous page Delete message(s) Press during playback to delete the current [#] [#] message. Delete all message(s) Press to delete all messages for this 1070 [#] [*] extension. Stop Press to stop any operation (e.g. stop playback, stop recording).

  • Page 69: Appendix A, Glossary

    If you subscribe to this service, you can use your 1070 telephone to see who’s calling even while on another call (as long as your caller is in an area with caller ID service and both telephone companies use compatible equipment).
  • Page 70 Memory loss protection: Even if the telephone has no AC power or battery, all programming and messages are retained. Navigation keys: These are the buttons you use to program your 1070 phone and for scrolling through feature options ([ENTER], [ ], [ ], [ ], [ ]).

  • Page 71: Appendix B, Time/Date

    Appendix B Time/date When the telephone is idle, the screen displays the date and time. The time can be set manually or with incoming caller ID information. Even if you have caller ID, you must set the year once for voice messages to have the correct day of the week.

  • Page 72: Appendix C, Centrex Operation

    Centrex is a special subscriber service that might be available from your local telephone company for a fee. This 1070 telephone can be used with Centrex service to answer calls and pick up other lines. Contact your telephone company for more details about Centrex service.

  • Page 73: Centrex Service Call Example

    Appendix C Centrex operation Centrex service call example If you subscribe In the example on the left, when the calls coming to Centrex service from 555-1237 or 555-1238 are not answered, provided by your local and if you subscribe to the Centrex service telephone company, provided by your local telephone company, these you need to set up the...

  • Page 74: Appendix D, General Product Care

    Appendix D General product care To keep your phone working well and looking good, follow these guidelines: • Avoid putting it near heating appliances and devices that generate electrical noise (for example, motors or fluorescent lamps). • DO NOT expose it to direct sunlight or moisture. •...

  • Page 75: Appendix E, Important Product Information

    Appendix E Important product information This symbol is to alert you to important operating or servicing instructions that may appear in this user’s manual. Always follow basic safety precautions when using this product to reduce the risk of injury, fire, or electric shock.

  • Page 76: Especially About Corded Telephones

    Appendix E Important product information Especially about corded telephones • Electrical power: The telephone base must be connected to a working electrical outlet. The electrical outlet should not be controlled by a wall switch. Calls cannot be made from the handset if the telephone base is unplugged or switched off, or if the electrical power is interrupted.

  • Page 77: Appendix F, Fcc And Acta Information

    Appendix F FCC and ACTA information If this equipment was approved for connection to the telephone network prior to July 23, 2001, it complies with Part 68 of the Federal Communications Commission (FCC) rules. If the equipment was approved after that date, it complies with the Part 68 rules and with then Technical Requirements for Connection of Equipment to the Telephone Network adopted by the Administrative Council for Terminal Attachments (ACTA).
  • Page 78 Appendix F FCC and ACTA information 4. Rights of the telephone company If this equipment is causing harm to the telephone network, the telephone company may temporarily discontinue your telephone service. The telephone company is required to notify you before interrupting service.

  • Page 79: Appendix G, Part 15 Of Fcc Rules

    Appendix G Part 15 of FCC rules Some telephone equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used properly, may cause interference to radio and television reception. This product has been tested and found to meet the standards for a class B digital device, as specified in part 15 of the FCC rules.

  • Page 80: Appendix H, Limited Warranty

    Appendix H Limited warranty The AT&T brand is used under license - any repair, replacement or warranty service, and all questions about this product should be directed to: In the 1 (800) 222-3111 United States of America call or visit www.telephones.att.com 1 (866) 288-4268 ;...

  • Page 81: Limited Warranty

    Appendix H Limited warranty 4. What is not covered by this limited warranty? This limited warranty does not cover: • PRODUCT that has been subjected to misuse, accident, shipping or other physical damage, improper installation, abnormal operation or handling, neglect, inundation, fire, water, or other liquid intrusion; or •...
  • Page 82 Appendix H Limited warranty 6. What must you return with the PRODUCT to get warranty service? You must: Return the entire original package and contents including the PRODUCT to the service location along with a description of the malfunction or difficulty;...

  • Page 83: Appendix I, Technical Specification

    Appendix I Technical specification Operating temperature 32°F — 122°F 0°C — 50°C Power adapter input AC120V 60Hz Power adapter output DC12V 500mA Backup battery Alkaline 9V, size 1604A (purchased separately) Headset jack 2.5mm, 32 - 150ohm Wiring limitation No more than 600 feet 0.3B System signal carrier 1.7 MHz...

  • Page 84: Appendix J, Troubleshooting

    Allow up to one minute for the telephone to synchronize. • This system is not compatible with any other AT&T 4-line small business telephones, except for the 1080, 1070 and 1040 telephones. System features, • This system is not compatible with any other (intercom, transfer, hold AT&T 4-line small business telephones, except...

  • Page 85: Troubleshooting

    Appendix J Troubleshooting • Check to make sure that each telephone set has a unique extension number. If the sets receive AC power at the same time, either at initial installation or after a power failure, the extension numbers might be the same. Refer to the EXTENSION NUMBER section on page 32 of the installation guide.
  • Page 86 Appendix J Troubleshooting • If any other of your telephones are having the same problem, the problem is in the wiring or local service. Contact your local telephone company (charges may apply). • If you are using the speakerphone, eliminate any background noise.
  • Page 87 Appendix J Troubleshooting • Make sure the telephone line cord connected to line jack L1/L2 was the one provided with the telephone. Make sure that the LINE GROUP assignment is • correct. See page 43 of the installation guide. • Check to make sure that each telephone set has a unique extension number.
  • Page 88 Appendix J Troubleshooting Cannot join a • The call privacy feature prevents another conversation in progress. set on the system from interrupting a conversation. Make sure you press the LINE button to release privacy. (See Call privacy on page 21.) The call privacy feature •...
  • Page 89 Appendix J Troubleshooting Display screen is blank. • Make sure the power cord is connected to both the phone and an electrical outlet not controlled by a wall switch. My calls cut in and out • If you have a headset plugged into the when I am using the telephone, try unplugging it and firmly plugging telephone.
  • Page 90 Appendix J Troubleshooting I hear other calls when • Disconnect the telephone base from the using the telephone. telephone jack. Plug in a different telephone. If you still hear other calls, the problem is probably in the wiring or local service. Call your local telephone company.
  • Page 91 Appendix J Troubleshooting The answering system • Make sure your remote access code is correct does not respond (see the installation guide for more details). to internal access • If you access the extension mailbox through commands. a single page call, make sure the extension number of the extension mailbox is entered correctly.

  • Page 92: Index

    Index AC fail, 4 Ending calls, 10, 11 Alert tones, 7 Answering calls, 9 FCC and ACTA, 71 Auto-mute, 30 Forward to DTAD, 59 Auto-redial, 18 Handset, 10 Caller ID, 50 Hands-free use, 10 Call history, 53 Headset, 11 Call privacy, 21 Hold a call, 20 Call forwarding delay time, 60 Call transfer, 23...
  • Page 93 Index Navigation keys, 3 Technical specifications, 77 Names, Temporary tone dialing, 19 enter into directory, 43 Troubleshooting, 78 One-touch keys, 34 Volume control, 13 delete entries, 39 Voice mail, 58 dial number, 38 Voice page, 29-33 new entries, 36 preference, 35 Warranty, 74 Page all, 31 Prime line, 9...
  • Page 94 www.telephones.att.com © 2007-2009 Advanced American Telephones. All Rights Reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property licensed to Advanced American Telephones, San Antonio, TX 78219. Printed in China. Issue 6 AT&T 09/09.

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