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How do I install the telephone base and charger for the AT&T DLP73440?
To install the telephone base:
1. Plug the power adapter into the power jack on the bottom of the telephone base.
2. Plug one end of the telephone line cord into the telephone jack on the bottom of the base.
3. Plug the other end of the telephone line cord into a wall telephone jack. If you have DSL high-speed Internet service, a DSL filter (not included) is required between the telephone line cord and the wall jack.
4. Plug the power adapter into an electrical outlet not controlled by a wall switch.
To install the charger:
1. Plug the power adapter into the power jack on the bottom of the charger.
2. Plug the power adapter into an electrical outlet not controlled by a wall switch.
How do I install and charge the battery in my AT&T DLP73440 cordless handset?
1. Plug the battery connector securely into the socket inside the handset’s battery compartment, matching the color-coded label.
2. Place the battery with the “THIS SIDE UP” label facing up and tuck the wires inside the compartment.
3. Align the cover flat against the battery compartment, then slide it upwards until it clicks into place.
4. Place the handset in the telephone base or charger to charge. The battery is fully charged after 11 hours of continuous charging. The CHARGE light on top of the handset will be on during charging.
Caution: Use only the supplied rechargeable battery or a compatible replacement battery (model BT162342/BT262342).
What are the functions of the buttons on the AT&T DLP73440 handset?
CHARGE light: On when the handset is charging.
VOL ▲ DIR: Press to show directory entries. Press to scroll up in menus. Press to move the cursor right when entering text. Press to increase listening or message playback volume.
VOL ▼ CID: Press to show the caller ID log. Press to scroll down in menus. Press to move the cursor left when entering text. Press to decrease listening or message playback volume.
CELL: Press to make or answer a cell call. During a cell call, press to answer an incoming cell call waiting. During message playback, press to call back the caller.
HOME/FLASH: Press to make or answer a home call. During a call, press to answer an incoming home call waiting. During message playback, press to call back the caller.
1: While reviewing a caller ID log entry, press repeatedly to add or remove ‘1’ in front of the telephone number. Press and hold to set or dial your voicemail number.
TONE * / a>A: Press to switch to tone dialing temporarily during a call on a pulse service line. While entering names, press to change the next letter to upper or lower case.
/SPEAKER: Press to make or answer a home or cell call using the speakerphone. Press to switch between the speakerphone and handset earpiece during a call.
MUTE/DELETE/VOICE: During a call, press to mute the microphone. When ringing, press to mute the ringer temporarily. Press to delete an entry when reviewing logs, directory, or redial. Press to delete digits while predialing. During playback, press to delete the message or announcement. When idle, press to activate the voice-controlled application of a connected cell phone.
MENU/SELECT: When idle, press to show the menu. While in a menu, press to select an item or save an entry/setting.
CALL BLOCK: When ringing or on a call, press to block the current call. When idle, press to show the call block menu.
OFF/CANCEL: During a call, press to hang up. In a menu, press to cancel, go back, or exit. Press and hold to return to idle mode. When ringing, press to mute the ringer temporarily. Press and hold when idle to erase the missed call indicator.
QUIET# (pound key): Press repeatedly to display dialing options when reviewing a caller ID log entry. Press and hold to enter or deactivate QUIET mode.
PTT (PUSH TO TALK): Press to initiate a one-to-one or one-to-group broadcast. Press and hold to broadcast to a group of system devices.
REDIAL/PAUSE: Press repeatedly to view the last 10 numbers dialed. While entering numbers, press and hold to insert a dialing pause.
What are the functions of the buttons on the AT&T DLP73440 telephone base?
REDIAL/PAUSE: Press repeatedly to view the last 10 numbers dialed. While entering numbers, press and hold to insert a dialing pause.
VOL ▲ / VOL ▼: Adjusts volume during message playback or a call. When idle, adjusts the base ringer volume.
MUTE/VOICE: Mutes the microphone during a call. Silences the ringer temporarily when ringing. When idle, activates the voice-control feature of a connected cell phone.
1: While reviewing a caller ID entry, press to add or remove ‘1’. Press and hold to set or dial voicemail.
TONE * / a>A: Switches to tone dialing temporarily. Changes letter case when entering names.
QUIET# (pound key): Displays dialing options for a caller ID entry. Press and hold to enter or deactivate QUIET mode.
/ANS ON: Turns the answering system on or off.
/FIND HS: Pages all system handsets.
X/DELETE: Deletes the message currently playing. When idle, press twice to delete all previously reviewed messages. Deletes individual entries from lists or digits/characters while entering text.
◄◄/REPEAT: Repeats a message. Press twice to play the previous message.
►►/SKIP: Skips to the next message during playback.
►/■/PLAY/STOP: Plays or stops messages.
INT: Initiates an intercom conversation or transfers a call.
HOME: Makes or answers a home call. Flashes for an incoming home call or when a home call is on hold.
CELL: Makes or answers a cell call. Flashes for an incoming cell call or when a cell call is on hold.
CALL BLOCK: Blocks an incoming call. When on a call, blocks the current number. When idle, shows the call block menu.
CELL 1 Light / CELL 2/Headset Light: Indicates the status of a connected Bluetooth device (solid when connected, flashing when pairing).
CANCEL: In a menu, exits without changes. Press and hold to return to idle mode. Press and hold when idle to erase the missed call indicator.
▼CID / ▲DIR: Scrolls up or down through menus. When idle, ▼CID reviews the caller ID log, and ▲DIR shows directory entries.
MENU/SELECT: Shows the menu. In a menu, confirms or saves an entry.
PTT/FLASH: Displays the PTT menu. Press and hold for a one-to-group broadcast. During a call, answers an incoming call waiting.
How do I set the date and time on my AT&T DLP73440?
You can set the date and time using either a cordless handset or the telephone base:
1. Press MENU.
2. Scroll to Set date/time and press SELECT.
3. Enter the month (MM), day (DD), and year (YY), then press SELECT.
4. Enter the hour (HH) and minute (MM).
5. Press the up or down arrow to choose AM or PM, then press SELECT.
Note: Set the date/time before using the answering system.
How do I set up the Smart call blocker on the AT&T DLP73440 using the voice guide?
After the date and time setting is done or skipped, the telephone base will prompt if you want to set up the Smart call blocker.
Using the telephone base:
1. Press CALL BLOCK.
2. Scroll to Voice guide and press SELECT.
3. Follow the voice instructions. Press 1 if you want to screen home calls with telephone numbers that are not saved in your Directory, Allow list, or Star name list. Press 2 if you do not want to screen calls and want to allow all incoming calls to get through.
How do I set up the answering system on the AT&T DLP73440 using the voice guide?
After the Smart call blocker setting is done or skipped, the telephone base will prompt if you want to set up the answering system.
Using the telephone base:
1. Press MENU twice.
2. Scroll to Voice guide and press SELECT.
3. Set up the answering system by inputting the designated numbers, as instructed by the voice guide.
How do I pair and connect a Bluetooth cell phone or headset with my AT&T DLP73440?
Your phone is compatible with Bluetooth version 2.0 or above devices. Keep the connected device within 15 feet of the telephone base for optimal performance.
To pair and connect a cell phone using the telephone base:
1. Press MENU, scroll to Bluetooth, and press SELECT.
2. With Add cellular highlighted, press SELECT.
3. Press SELECT again to turn on the telephone base discoverable mode.
4. Place the cell phone next to the base. Turn on your cell phone’s Bluetooth feature and search for or add new devices. Once your cell phone finds your AT&T phone (AT&T DECT 6.0), press the appropriate key on your cell phone to continue the pairing process.
To pair and connect a headset using the telephone base:
1. Press MENU, scroll to Bluetooth, and press SELECT.
2. Scroll to Add headset and press SELECT.
3. Set your headset to discoverable mode, then press SELECT on the telephone base.
How do I record my own outgoing announcement on the AT&T DLP73440?
Using a cordless handset:
1. Press MENU, scroll to Answering sys, and press SELECT.
2. SELECT is highlighted on Announcement, press SELECT again.
3. Press 7 to record.
4. Speak towards the handset to record your announcement, then press 5 to end recording and save it.
Using the telephone base:
1. Press MENU twice.
2. With Announcement highlighted, press SELECT.
3. With Record annc highlighted, press SELECT.
4. Speak towards the telephone base to record your announcement, then press 5 to end recording and save it.
How do I change the number of rings before the answering system picks up on the AT&T DLP73440?
You can set the answering system to answer after 2, 3, 4, 5, or 6 rings, or select Toll saver. With Toll saver, the system answers after two rings if you have new messages, and after four rings if there are no new messages.
Using a cordless handset or the telephone base:
1. Press MENU, scroll to Answering sys, and press SELECT.
2. Scroll to Ans sys setup and press SELECT.
3. With # of rings highlighted, press SELECT.
4. Scroll to choose among 2, 3, 4, 5, 6, or Toll saver, and then press SELECT.
How do I adjust the ringer volume for home and cell calls on my AT&T DLP73440?
You can set the ringer volume to one of six levels or turn it off completely for both incoming home and cell calls.
Set ringer volume for incoming home calls:
1. Press MENU, scroll to Ringers, and press SELECT.
2. With Home volume highlighted, press SELECT.
3. Scroll to choose the desired level and press SELECT.
Set ringer volume for incoming cell calls:
1. Press MENU, scroll to Ringers, and press SELECT.
2. Scroll to Cell volume and press SELECT.
3. Scroll to choose the desired level and press SELECT.
How do I change the LCD language on my AT&T DLP73440?
Using a cordless handset or the telephone base:
1. Press MENU, scroll to Settings, and press SELECT.
2. With LCD language highlighted, press SELECT again.
3. Scroll to choose English, Français, or Español, and press SELECT.
Note: If you accidentally change the language, you can reset it to English. On the handset in idle mode, press MENU then enter *364#. On the base in idle mode, press MENU then enter 364#.
How do I perform basic call operations on the AT&T DLP73440?
| Operation | Steps |
| Making a home or cell call |
Using a cordless handset: • Press HOME/FLASH or /SPEAKER -> Enter the telephone number. • Press CELL -> Enter the telephone number -> SELECT. Using the telephone base: • Press /HOME -> Enter the telephone number. • Press /CELL -> Enter the telephone number -> SELECT. |
| On-hook dialing (predialing) |
Using a cordless handset: Enter the telephone number -> Press HOME/FLASH, CELL, or /SPEAKER to call. Using the telephone base: Enter the telephone number -> Press /HOME or /CELL to call. |
| Answering a home or cell call |
Using a cordless handset: Press HOME/FLASH, CELL, or /SPEAKER, or press any dialing keys (0-9 or TONE *). Using the telephone base: Press /HOME, /CELL, or press any dialing keys (0-9 or TONE *). |
| Ending a call |
Using a cordless handset: Press OFF/CANCEL or return the handset to the telephone base or charger. Using the telephone base: Press /HOME or /CELL. |
| Handset speakerphone | During a call, press /SPEAKER to switch between handsfree speakerphone and normal handset use. |
| Redial |
Using a cordless handset: Press REDIAL repeatedly to select the desired entry -> HOME/FLASH, CELL, or /SPEAKER to call. Using the telephone base: Press REDIAL/PAUSE repeatedly to select the desired entry -> /HOME or /CELL to call. |
| Volume control | Press VOL ▼ to decrease or press VOL ▲ to increase the listening volume during a call. |
| Call waiting (Requires subscription) | Press HOME/FLASH on the handset or PTT/FLASH on the telephone base to put the current call on hold and take the new call. |
How do I add an entry to the directory on the AT&T DLP73440?
The directory can store up to 1,000 entries, which are shared by all system devices.
Using a cordless handset:
1. Press MENU, scroll to Directory, and press SELECT.
2. With Add new entry highlighted, press SELECT.
3. Enter a telephone number up to 30 digits, then press SELECT.
4. Enter a name up to 15 characters, then press SELECT.
Using the telephone base:
1. Press MENU, scroll to Directory, and press SELECT.
2. Scroll to Add new entry and press SELECT.
3. Enter a telephone number up to 30 digits, then press SELECT.
4. Enter a name up to 15 characters, then press SELECT.
How do I search for and dial an entry from the directory on my AT&T DLP73440?
1. Press DIR on the handset or telephone base in idle mode.
2. Use the scroll buttons to select the desired directory entry.
3. To call using the home line, press HOME/FLASH on the handset or /HOME on the base.
To call using the cell line, press CELL on the handset or /CELL on the base.
How can I download a cell phone directory to my AT&T DLP73440?
Before downloading a directory, make sure your cell phone is paired, active, and connected to your AT&T DLP73440.
Using the telephone base:
1. Press MENU, scroll to Bluetooth, and press SELECT.
2. Scroll to Download dir and press SELECT.
3. Press SELECT to start downloading.
How do I use the remote voice control feature on my AT&T DLP73440?
You can activate the voice-controlled application (like Siri®, Google Now™, or S Voice®) of a connected cell phone using the handset or base.
Compatibility:
| Voice-controlled application | Siri | Google Now | S Voice |
| Operation System (Versions supported) | iOS (8 or above) | Android (4 or above) | Android (4 or above) |
Before use, ensure:
• Your cell phone is paired and connected.
• No other Bluetooth applications are running in the background on your cell phone.
• Keep the cell phone within 15 feet of the base.
• Your cell phone screen is not locked with a passcode.
• The apps you want to command (GPS, e-mail, etc.) are turned on.
• Your cell phone has a strong data or Wi-Fi signal.
To activate remote voice control:
1. Press VOICE. If you have two connected cell phones, scroll to select a device.
2. When the phone plays a confirmation tone, speak your command toward the handset or base, and wait for feedback.
3. Press CANCEL to exit.
How do I manage the Caller ID announce feature on my AT&T DLP73440?
When this feature is on, the handset and/or base speaks “Call from…” and the name of the caller for incoming calls. You can turn this on or off for the base and each handset.
Using a cordless handset or the telephone base:
1. Press MENU, scroll to Caller ID annc, and press SELECT.
2. Scroll to choose On or Off, and press SELECT.
How do I review and dial a number from the call log on the AT&T DLP73440?
1. Press CID on the handset or telephone base when idle.
2. Use the scroll buttons to browse through the call log.
3. When the desired entry is displayed, press HOME/FLASH or /SPEAKER on the handset (or /HOME on the base) to dial with the home line.
Alternatively, press CELL on the handset (or /CELL on the base) to dial with the cell line.
How do I erase the “XX Missed calls” indicator on my AT&T DLP73440?
When the screen shows “XX Missed calls,” you can either scroll through the call log one by one to clear the message, or you can press and hold OFF/CANCEL on the handset or CANCEL on the telephone base while in idle mode to erase the indicator.
How do I turn the Smart call blocker on or off on the AT&T DLP73440?
Smart call blocker is set to on by default and allows all incoming calls to ring. The screening feature is applicable to incoming home calls only.
To turn the feature on or off:
1. Press CALL BLOCK.
2. Press SELECT to choose SCB On/Off.
3. Scroll to choose On or Off and press SELECT.
How does the Smart call blocker on the AT&T DLP73440 handle different types of calls?
| Call categories | Call control and options |
| Unwelcome calls • Numbers saved in block list. |
The telephone blocks these calls from ringing through. |
| Welcome calls • Numbers saved in allow list. • Numbers saved in directory. • Numbers not found in block list. • Caller ID names saved in star name list. |
The telephone allows these calls to get through and ring. Note: All incoming cell calls will get through and ring by default. To block a cell call, add the number to the block list. |
| Unknown calls (for home calls only) • Calls without numbers (e.g., “out of area” or “Private”). • Uncategorized calls (absent caller ID, numbers not in any list). |
You can select one of five profile options for handling all unknown home calls: • Screen unknown: Asks the caller to say their name before the call rings. • Screen robot: Asks the caller to press the pound key (#) before the call rings. • Allow unknown (default): Allows these calls to ring through without saving the number. • Unknown to answering system: Forwards these calls directly to the answering system without ringing. • Block unknown: Rejects these calls with a block announcement without ringing. |
How do I add numbers to the block list, allow list, or star name list on my AT&T DLP73440?
Add a Caller ID log entry to the block list:
1. Press CID and scroll to the desired entry.
2. Press SELECT.
3. Scroll to To Block list and press SELECT.
4. Press SELECT twice to confirm.
Add a Caller ID log entry to the allow list:
1. Press CID and scroll to the desired entry.
2. Press SELECT.
3. Scroll to To Allow list and press SELECT.
4. Press SELECT twice to confirm.
Add a Caller ID log entry to the star name list:
1. Press CID and scroll to the desired entry.
2. Press SELECT.
3. Scroll to To Star name list and press SELECT.
4. Press SELECT twice to confirm.
Manually add a new number to the block list:
1. Press CALL BLOCK.
2. Scroll to Block list and press SELECT.
3. Scroll to Add new entry and press SELECT.
4. Enter a telephone number (up to 30 digits) and press SELECT.
5. Enter a name (up to 15 characters) and press SELECT.
Manually add a new number to the allow list:
1. Press CALL BLOCK.
2. Scroll to Allow list and press SELECT.
3. Scroll to Add new entry and press SELECT.
4. Enter a telephone number (up to 30 digits) and press SELECT.
5. Enter a name (up to 15 characters) and press SELECT.
Manually add a new name to the star name list:
1. Press CALL BLOCK.
2. Scroll to Star name list and press SELECT.
3. Scroll to Add new entry and press SELECT.
4. Enter a name (up to 15 characters) and press SELECT.
How do I set a profile for the Smart call blocker on my AT&T DLP73440?
There are five profile settings to quickly configure the Smart call blocker.
1. Press CALL BLOCK.
2. Scroll to Set profile and press SELECT.
3. Scroll to choose one of the following profiles and press SELECT:
• Screen unknown: Screens all unknown home calls.
• Screen robot: Screens robocalls.
• Allow unknown: Blocks calls on the block list only (default setting).
• UnknownToAns.S: Forwards all unknown home calls to the answering system.
• Block unknown: Blocks all unknown home calls.
How do I add a screened caller’s number to the block list or allow list on my AT&T DLP73440?
If you use the Screen unknown or Screen robot profile, after a caller responds to the screening, the phone will ring. When you pick up, the system announces options:
• “To answer the call, press 1.”
• “To answer and always allow this number, press 2.”
• “To block this number, press 3.”
• “To send this call to the answering system, press 4.”
• “To repeat these options, press *.”
Press 2 to answer the call and add the number to your allow list.
Press 3 to block the call and add the number to your block list.
How can I block a number while I am on a call with the AT&T DLP73440?
If you are on a home or cell call and wish to block the number:
1. During the call, press CALL BLOCK.
2. Press SELECT to end the call with a block announcement. The number will be added to the block list.
How do I unblock a telephone number on my AT&T DLP73440?
1. Press CALL BLOCK.
2. Scroll to Block list and press SELECT.
3. Press SELECT to choose Review.
4. Use the scroll buttons to browse through the blocked entries.
5. When the desired entry is displayed, press DELETE, then press SELECT to confirm.
What is the difference between the built-in answering system and voicemail service on the AT&T DLP73440?
Your telephone has separate indicators for messages left on the built-in answering system and messages left with your telephone service provider’s voicemail.
| Built-in answering system | Voicemail service | |
| Supported by | Telephone system | Telephone service provider |
| Subscription | No | Yes |
| Fees | No | May apply |
| Answer incoming calls | After 3 rings by default. Can be changed in the phone’s menu. | Usually after 2 rings. Changed by contacting your service provider. |
| Storage | Telephone base | Server or System |
| Display new messages | Handset and base show – XX New messages | Handset and base show an envelope icon and New voicemail |
| Retrieve messages | Press the play button on the base, or select Play messages in the handset menu. | Press the envelope icon on the dialpad and enter an access number provided by your service provider. |
How do I turn the answering system on or off on my AT&T DLP73440?
The answering system must be turned on to answer and record messages.
Using a cordless handset:
1. Press MENU, scroll to Answering sys, and press SELECT.
2. Scroll to Answer on/off and press SELECT.
3. Scroll to choose On or Off and press SELECT. The handset will show ANS ON when the system is on.
Using the telephone base:
Press the /ANS ON button to turn the answering system on or off. The base announces, “Calls will be answered,” when turned on, and “Calls will not be answered,” when turned off.
How do I manage the message alert tone on the AT&T DLP73440?
When this feature is on and there is at least one new message, the telephone base beeps every 10 seconds.
Using a cordless handset or the telephone base:
1. Press MENU, scroll to Answering sys, and press SELECT.
2. Scroll to Ans sys setup and press SELECT.
3. Scroll to Msg alert tone and press SELECT.
4. Scroll to choose On or Off and press SELECT.
How do I turn call screening on or off on my AT&T DLP73440?
This feature lets you hear incoming messages over the speaker as they are being recorded. You can answer the call by pressing HOME/FLASH on the handset or /HOME on the base.
Using a cordless handset or the telephone base:
1. Press MENU, scroll to Answering sys, and press SELECT.
2. Scroll to Ans sys setup and press SELECT.
3. With Call screening highlighted, press SELECT.
4. Scroll to choose On or Off and press SELECT.
How do I play back messages on my AT&T DLP73440 and what are the options during playback?
To start playback:
• Using the telephone base: Press ►/■/PLAY/STOP when the base is in idle mode.
• Using a cordless handset: Press MENU then SELECT when the handset is in idle mode.
Options during playback:
| Feature | On the telephone base | On a handset |
| Adjust playback to volume | Press VOL ▼ or VOL ▲ | Press VOL ▼ or VOL ▲ |
| Stop playback | Press ►/■/PLAY/STOP | Press OFF/CANCEL |
| Skip to the next message | Press ►►/SKIP | Press 6 |
| Repeat the message | Press ◄◄/REPEAT | Press 4 |
| Play the previous message | Press ◄◄/REPEAT twice | Press 4 twice |
| Delete the message | Press X/DELETE | Press MUTE/DELETE |
How to use the PDF below:
* Touchscreen: Swipe up/down with-in the PDF to scroll and pinch or spread with two fingers to zoom.
* Mouse: While your mouse is hovering over the PDF, use the mouse wheel to scroll and click on the – / + buttons at the bottom of the PDF to zoom.
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