Telephone operation Options while on calls Hold You can place a HOME or CELLULAR call on hold. You will hear an alert tone if you have not taken the call off of hold after 14 minutes. You will hear another alert tone 30 seconds later. After 15 minutes on hold, the call automatically disconnects. HOME LINE HELD To place a HOME call on hold: • Press the HOLD key on the handset. HOME LINE HELD appears on the display and HOME/FLASH will flash. To resume a HOME call that is on hold: • Press HOME/FLASH again.
Telephone operation Chain dialing NOTES: 1. You cannot edit a directory entry while you are on a call. For more details about the directory, see page 40. 2. You cannot copy a caller ID entry into the directory while you are on a call. For more details about the caller ID history, see page 47. 3. If you press REDIAL/PAUSE while on a call, you can only view the most recent call, and you cannot erase the entry. For more details about the redial memory, see page 30. 4.
Telephone operation Intercom Use the intercom feature for conversations between handsets. This feature is not available on model TL91178. You can buy additional expansion handsets (model AT&T TL90078) for this telephone base. Up to 12 handsets can be registered to the telephone base. The first nine handsets that you register will be named Handsets 1-9. Use the handset number to intercom and transfer calls.
Telephone operation Intercom Models TL91378 (three-handset system) 1. 2. 3. 4. NOTES: Before anyone answers the intercom call, you can cancel the intercom call by pressing OFF/CLEAR on the calling handset. If no one answers the called handset within 100 seconds, or if it is in the directory or caller ID history mode, or on a call, or out of range, the calling handset shows UNABLE TO CALL TRY AGAIN. Press OFF/CLEAR or DELETE/MUTE to temporarily silence the intercom ringer.
Telephone operation Call transfer using intercom Use the intercom feature to transfer an outside call to another system handset. �������������������� This feature is not available on model TL91178. Model TL91278 (two-handset system) 1. When on an outside call, press MENU/SELECT to enter the feature menu. 2. Use DIR / CID to scroll to >TRANSFER, then press MENU/SELECT. The outside call is automatically placed on hold. The transferring handset’s screen shows CALLING OTHER HANDSET.
Telephone operation Call transfer using intercom Models TL91378 (three or more handsets) NOTES: 1. Before anyone answers the intercom call, you can cancel the transfer and return to the outside call by pressing and holding OFF/CLEAR. 2. If the called handset does not answer the intercom call within 100 seconds, is in directory or caller ID history mode, or is out of range, the transferring handset shows UNABLE TO CALL TRY AGAIN on its screen and automatically returns to the outside call. 3.
Directory About the directory Shared directory Robert Brown 888-883-2445 The directory is stored in the telephone base, and is shared by all handsets. Changes made to the directory on any one handset applies to all. NOTE: Only one handset can review the directory at a time. If another handset attempts to enter the directory, the screen shows NOT AVAILABLE AT THIS TIME.
Directory Creating directory entries To create a new directory entry >DIRECTORY CALL LOG >REVIEW STORE 1. Press MENU/SELECT when in idle mode to enter the feature menu. 2. Press MENU/SELECT again to enter >DIRECTORY menu. 3. Press DIR or 4. Press MENU/SELECT. CID to highlight STORE. 5. Enter the telephone number when prompted. • Use the dial pad to enter up to 30 digits. >STORE REVIEW – Press DIR / CID to move the cursor to the right or left. – Press DELETE/MUTE to erase digits.
Directory Creating directory entries 7. Enter the name when prompted. ENTER NAME Robert Brown_ NOTE: The first letter of every word is capitalized. The remaining letters in a word begin with lower case letters shown in the chart to the right. Robert Brown 888-883-2445 • Use the dial pad to enter a name (up to 15 characters). Each time you press a key, the character on that key appears. Additional key presses produce other characters on that key. See the chart below.
Directory Directory review DIR To review directory entries 1. Press DIR when in idle mode to show the first entry in the directory. DIRECTORY EMPTY appears if there are no directory entries. -ORYou can also show the first entry in the directory by pressing MENU/SELECT twice, then pressing MENU/SELECT again to choose >REVIEW. 2. Press DIR or CID to browse through the directory. Entries appear alphabetically by the first letter in the name.
Directory Directory search To search by name DIR 1. Press DIR when in idle mode to show the first listing in the directory. DIRECTORY EMPTY appears if there are no directory entries. 2. When a name entry appears, press the dial pad keys (2-9) to start a name search. The directory shows the first name beginning with the first letter associated with the dial pad key if there is an entry in the directory that begins with that letter. 3.
Directory To dial, delete or edit entries To dial, delete or edit a directory entry (name and number), the entry must show on the handset. Use the directory review or search (pages 43-44) to show an entry. Display dial To dial a displayed number from the directory, press HOME/FLASH or SPEAKER to dial from the HOME line; or press CELLULAR to dial from the CELLULAR line. To delete an entry When a directory entry displays, press DELETE/MUTE to delete the displayed entry from the directory.
Directory 2. Press MENU/SELECT. ������������������������� You will be prompted to EDIT NAME. EDIT NAME Andy • Press the dial pad keys to add characters (page 42). • Press DELETE/MUTE to erase characters. Andy 888-883-2445 • Press DIR or to the right or left. 3. Press MENU/SELECT 46 CID to move the cursor to confirm.
Caller ID Caller ID operation CHRISTINE SMITH 888-722-7702 NEW AM 10:01 11/23 This product supports caller ID services provided by most local telephone service companies. Depending on your service subscription, you may see the caller’s number, or the caller’s name and number that are sent by the telephone company after the first or second ring. If you also have call waiting service, this caller ID information shows when you receive a call while you are on another call.
Caller ID Caller ID operation Caller ID history information CHRISTINE SMITH 888-722-7702 10:01 AM If you subscribe to caller ID services, provided by your local telephone company and/or cellular service provider, ����������������������������� the caller ID history stores information for about the last 50 incoming calls for both the HOME and CELLULAR lines.
Caller ID Caller ID operation Caller’s name Incoming HOME call CHRISTINE SMITH 888-722-7702 NEW 10:01 AM Time of call Chris 888-722-7702 11/23 Caller’s number Appears when the call is missed and un-reviewed Incoming CELLULAR call Date of call Memory match If the incoming telephone number exactly matches a telephone number in your directory, the name that appears on the screen matches the corresponding name in your directory.
Caller ID Caller ID operation There are also occasions when other information or no information shows for various reasons: On-screen message Reason PRIVATE NUMBER The caller's number has been set as private. PRIVATE NAME The caller's name has been set as private. PRIVATE CALLER Caller's name and telephone number are not revealed at caller's request. UNKNOWN NUMBER Your local telephone company is unable to determine the caller's number.
Caller ID Caller ID operation Missed (new) calls indicator HANDSET 1 6 MISSED CALLS Robert Brown 888-883-2445 NEW 10:31 AM 11/23 When a handset is in idle mode and has calls that have not been reviewed, its screen will show XX MISSED CALLS. All entries that have not been reviewed are counted as missed calls when the phone is idle. Each time an entry in the caller ID history marked NEW is reviewed, the number of missed calls decreases by one.
Caller ID To review the caller ID history HANDSET 1 6 MISSED CALLS To review the caller ID history 1. Press CID to review the caller ID history in reverse chronological order starting with the most recent call. -ORYou can also review the caller ID history by pressing MENU/SELECT, and using DIR or CID to scroll to >CALL LOG, then press MENU/SELECT. CID Robert Brown 888-883-2445 2. Press DIR or CID to scroll through the list as shown on the left.
Caller ID To review the caller ID history Other options • Press DELETE/MUTE to delete the shown entry from the caller ID history. • When an entry from the caller ID history is shown, press and hold DELETE/MUTE to delete all entries from the caller ID history. When the screen shows DELETE ALL CALLS? press MENU/ SELECT to clear the caller ID history of all entries, or press OFF/CLEAR to exit and leave all entries in the caller ID history intact. • Press MENU/SELECT to copy the entry into your directory.
Appendix A Alert tones and lights Alert tones Handset tones Two short beeps VOLUME keys are pressed when the volume is already at its highest or lowest setting. Four short beeps Low battery warning. Two beeps Out of range while the handset is on a call. Three rising tones Command completed successfully. Lights VOICEMAIL Bluetooth Flashes when you have new voicemail on your HOME phone line (offered by your telephone service provider). The indicator does not support voicemail on your CELLULAR line.
Appendix B Handset display screen messages Screen display messages ALREADY SAVED The telephone number you have entered is already stored in the directory. BLUETOOTH SYSTEM You are trying to use a handset to make a CELLULAR call when another BUSY handset is already in CELLULAR call predial mode. BOTH LINES HELD Calls on the HOME and CELLULAR lines have been put on hold. CALL LOG EMPTY You are accessing an empty caller ID history.
Appendix B Handset display screen messages Screen display messages HANDSET X REGISTERED The handset registration is successful, with X being the handset number. HOME The HOME line is in use. HOME LINE HELD A call on the HOME line has been put on hold. INCOMING CALL There is a call coming in. INTERCOM The handset is on an intercom call. INTERCOM ENDED The intercom call has just ended.
Appendix B Handset display screen messages Screen display messages NO LINE There is no telephone line connected. NO SIGNAL, CALL ENDED The handset is out of range while on a call. NOT AVAILABLE AT THIS TIME Someone else is already using the directory or caller ID history. OTHER HANDSET IS CALLING (For system with two handsets) The other handset is calling. OUTSIDE CALL You are connected to the external call during call transfer. ** PAGING ** The telephone base is paging handsets.
Appendix C Expansion handset Your new AT&T ��������������������������������������������� TL91178/TL91278/TL91378 ��������������������� telephone system can accommodate up to 12 handsets. You can add new handsets (AT&T TL90078, purchased separately) to your telephone system, but you must register each device with the telephone base before use. To register a new handset, see page 59. TL91178 The handsets provided with the TL91178 come pre-registered as HANDSET 1.
Appendix C Expansion handset Adding and registering handsets (optional) NOT REGISTERED PRESS HNDST LOC 4 SEC ON BASE Handsets purchased separately (AT&T TL90078) need to be registered to the telephone base before use. When first purchased, all expansion handsets show NOT REGISTERED on the screen. You may need to charge the new handsets for five minutes before registering to the telephone base. To register a handset to your telephone base PLEASE WAIT... HANDSET X REGISTERED 1.
Appendix C Expansion handset Replacing a handset You can de-register handsets. You may need to de-register your handsets if: You have twelve registered handsets and need to replace a handset. -ORYou wish to change the designated handset number of your registered handsets. You must first de-register ALL the handsets, and then re-register each handset you wish to use. Please read carefully through all the instructions on this page before beginning the de-registration process. To de-register all handsets 1.
Appendix D Troubleshooting If you have difficulty with your phone, please try the suggestions below. For Customer Service, visit our website at www.telephones.att.com or call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268. I cannot pair my cell phone to the telephone base. • Make sure the Bluetooth function of your cellular phone is turned on. See your cell phone user's manual for more information. • Remove the AT&T DECT 6.
Appendix D Troubleshooting • When you are on a CELLULAR call using the handset, your cell phone is in use. Attempting to use the cell phone for any other purpose may disconnect your call. You may need to connect the cellular phone to the telephone base manually to resume the connection, refer to page 18 for details. I cannot find the AT&T DECT 6.0 on my cell phone. • Make sure that the Bluetooth feature is turned on in the telephone base. Carefully follow the setup instructions on page 17.
Appendix D Troubleshooting My cell phone is connected to the telephone base, but I cannot make a CELLULAR call. • Make sure that your cell phone is not in use when you are trying to make a CELLULAR call. • Make sure that your cell phone is compatible. For a list of compatible devices, visit www.telephones.att.com/bluetooth. • For some smartphones, make sure that the cellular function is turned on. Bluetooth System Busy appears on the display.
Appendix D Troubleshooting • Reset the telephone base. Unplug the electrical power. Wait for approximately 15 seconds, then plug it back in. Allow up to one minute for the cordless handset and telephone base to reset. • You may need to purchase a new battery. Please refer to Battery installation & charging, page 9, in this user’s manual. I cannot get a dial tone. • First try all the suggestions above. • Move the cordless handset closer to the telephone base. You might have moved out of range.
Appendix D Troubleshooting My cordless handset isn’t performing normally. • Make sure the power cord is securely plugged into the telephone base. Plug the power adapter into a different, working electrical outlet not controlled by a wall switch. • Move the cordless handset closer to the telephone base. You might have moved out of range. • Reset the telephone base. Unplug the electrical power. Wait for 15 seconds then plug it back in.
Appendix D Troubleshooting The batteries will not hold a charge. • If the cordless handset is in the telephone base or charger and the charge light does not come on, refer to The charge light is off in this Troubleshooting guide. • Charge the battery in the cordless handset for at least 16 hours. For optimum daily performance, return the cordless handset to the telephone base or charger when not in use. • You may need to purchase a new battery.
Appendix D Troubleshooting • Relocate your phone to a higher location. The phone will likely have better reception when installed in a high area. • If the other phones in your home are having the same problem, the problem is in your wiring or local service. Contact your local telephone company (charges may apply). • You may hear interference if your cellular phone is too close to the telephone base during a CELLULAR call.
Appendix D Troubleshooting • You may have too many extension phones on your telephone line to allow all of them to ring simultaneously. Try unplugging some of the other phones. • The layout of your home or office might be limiting the operating range. Try moving the telephone base to another location, preferably on an upper floor. • If the other phones in your home are having the same problem, the problem is in your wiring or local service. Contact your local telephone company (charges may apply).
Appendix D Troubleshooting • If your phone is plugged in with a modem or surge protector, plug the phone (or modem/surge protector) into a different location. If this doesn't solve the problem, re-locate your phone or modem farther apart from one another, or use a different surge protector. • Relocate your telephone base to a higher location. The phone will have better reception when installed in a high area.
Appendix D Troubleshooting System does not receive caller ID when on a call. • Make sure you subscribe to caller ID with call waiting features provided by your local telephone company. Caller ID features will work only if both you and the caller are in areas offering caller ID service, and if both telephone companies use compatible equipment. Common cure for electronic equipment. If the telephone does not seem to be responding normally, try putting the cordless handset in the telephone base or charger.
Appendix E Maintenance Taking care of your telephone • Your cordless telephone contains sophisticated electronic parts, so it must be treated with care. • Avoid rough treatment. • Place the handset down gently. • Save the original packing materials to protect your telephone if you ever need to ship it. Avoid water • Your telephone can be damaged if it gets wet. Do not use the handset in the rain, or handle it with wet hands. Do not install the telephone base near a sink, bathtub or shower.
Appendix F Important safety 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. Safety information • Read and understand all instructions in the user’s manual. Observe all markings on the product. • Avoid using a telephone during a thunderstorm. There may be a slight chance of electric shock from lightning.
Appendix F Important safety information Caution: Use only the power adapter provided with this product. To obtain a replacement, visit our website at www.telephones.att.com or call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268. Especially about cordless telephones • Privacy: The same features that make a cordless telephone convenient create some limitations.
Appendix F Important safety information The RBRC™ Seal means that the manufacturer is voluntarily participating in an industry program to collect and recycle nickel-metal hydride rechargeable batteries when taken out of service within the United States. These batteries may be taken to a participating local retailer of replacement batteries or recycling center. Or you may call 1 (800) 8-BATTERY for locations accepting spent Ni-MH batteries.
Appendix G FCC part 68 and ACTA This equipment complies with Part 68 of the FCC rules and with technical requirements adopted by the Administrative Council for Terminal Attachments (ACTA). The label on the back or bottom of this equipment contains, among other things, a product identifier in the format US:AAAEQ##TXXXX. This identifier must be provided to your local telephone company upon request.
Appendix G FCC part 68 and ACTA or procedures that could affect the proper functioning of this product. The telephone company is required to notify you if such changes are planned. If this product is equipped with a corded or cordless handset, it is hearing aid compatible. If this product has memory dialing locations, you may choose to store emergency telephone numbers (e.g., police, fire, medical) in these locations.
Appendix H FCC part 15 This equipment has been tested and found to comply with the requirements for a Class B digital device under Part 15 of the Federal Communications Commission (FCC) rules. These requirements are intended to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
Appendix I 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 United States of America, visit www.telephones.att.com or call 1 (800) 222-3111. In Canada, call 1 (866) 288-4268. 1.
Appendix I Limited warranty 4.
Appendix I Limited warranty You must pay for the cost of repair and return shipping costs for the repair of products that are not covered by this limited warranty. 6. What must you return with the PRODUCT to get warranty service? You must: a. Return the entire original package and contents including the PRODUCT to the service location along with a description of the malfunction or difficulty; and b.
Appendix J Technical specifications RF frequency band 1921.536 MHz — 1928.448 MHz Channels 5 Operating temperature 32°F — 122°F 0°C — 50°C Telephone base voltage (AC voltage, 60Hz) 96 — 129 Vrms Telephone base voltage (AC adapter output) 6VDC @400mA Handset voltage 2.4 — 3.2 VDC Charger voltage (AC adapter output) 6VAC @300mA Replacement battery 2.
Appendix J Technical specifications DECT 6.0 digital technology The AT&T DECT 6.0 products offer unsurpassed range performance and sound clarity. This is achieved through a unique antenna design and advances in noise-filtering technology. An independent laboratory has confirmed that AT&T DECT 6.0 products perform up to 45% better in range competitions. Now calls can be taken in the basement, backyard and garage with exceptional sound quality.
Index A Alert tones, 54 Answering calls CELLULAR calls, 28 HOME calls, 26 Auto connection, 17 Dialing, From a record in the caller ID history, 52 Directory dialing, 45 Directory, 40 Dial number, 45 Edit entries, 45-46 Name search, 44 New entries, 41-42 Display dial, 45 DSL, 7 B Battery, Charging, 9 Installation, 9 Bluetooth Introduction, 15 Pairing, 17 Replace a paired device, 19 Setup, 17 Bonding, 16 E Elapsed time, 26, 28 Ending calls, 26-29 Expansion handset, 58 F Flash (switch hook flash), 26, 29
Index Status icons, 4 Temporary ringer silencing, 25 Voicemail indicator, 24 Hold, 34 HOME, 1, 16 Power adapter, 7-8 Predialing, 26, 28 I Intercom, 36-37 Incoming caller ID history, 52 Incoming calls, answering, 26, 28 Installation, 5-14 K Key tone, 23 R Receiving calls, 26-29 Redial, 30 Registration, 59 Resume auto connection, 19 Ring tone options, 22 Ringer silencing, 21, 25 Ringer volume, 21 L Language, 23 Last number redial, 30 Lights, 54 S Safety information, 72-74 Search by name, 44 Speakerphone,
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