Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your AT&T DLP73190 DECT 6.0 Cordless Phone System. Please read this manual thoroughly to ensure proper use and to take full advantage of all features.

Image: The AT&T DLP73190 Cordless Phone System, featuring the base unit with its large color display and a cordless handset.
1. Setup
1.1 What's in the Box
- Base Unit
- 1 Handset
- 1 AC Adapter
- Telephone Line Cord
- 1 Battery Pack
- Quick Start Guide
1.2 Initial Installation
- Connect the Base Unit: Plug the AC adapter into the base unit and a power outlet. Connect the telephone line cord to the base unit and a telephone wall jack.
- Install Handset Battery: Open the battery compartment on the back of the handset. Insert the provided battery pack, ensuring correct polarity. Close the compartment.
- Charge Handset: Place the handset on the base unit or charger cradle. Allow the handset to charge for at least 16 hours before initial use to ensure optimal battery performance.
1.3 Bluetooth Connect to Cell Setup
The DLP73190 system allows you to connect up to two Bluetooth-enabled cell phones to make and receive cell calls using your cordless handsets.
- Enable Bluetooth: On your cell phone, enable Bluetooth and ensure it is discoverable.
- Pairing: On the cordless phone base unit, navigate to the Bluetooth menu. Select 'Add New Device' or 'Pair Cell Phone'. Follow the on-screen prompts to pair your cell phone with the base unit.
- Confirmation: Once paired, the base unit display will indicate the connection. You can now make and receive cell calls through your AT&T cordless handsets.

Image: Illustration of the Bluetooth Connect to Cell feature, demonstrating how a cell phone can be wirelessly linked to the cordless phone system for integrated calling.
2. Operating Instructions
2.1 5-inch Color Base Display and Shortcuts
The base unit features a large 5-inch color display for easy navigation and access to features. Soft keys located on the side and bottom of the screen provide quick access to various functions.
- Personalized Shortcuts: Assign one-touch shortcuts on the display for frequently used features such as contacts, messages, call history, and timers.
- Menu Navigation: Use the directional keys and 'Menu' button to browse through settings and options.

Image: A detailed view of the 5-inch color display on the base unit, highlighting personalized feature shortcuts and customizable wallpaper options for enhanced user experience.
2.2 Making and Receiving Calls
- To Make a Call: Pick up a handset or press the TALK/FLASH button. Dial the number.
- To Answer a Call: Press the TALK/FLASH button or any dialing key when the phone rings.
- Speakerphone: Press the SPEAKER button during a call to activate the speakerphone.
2.3 Conference Calling and Intercom
The system supports conference calls and intercom functionality.
- Conference Call: Initiate a conference call between an outside line and up to 4 cordless handsets. Refer to the detailed user guide for specific steps.
- Intercom: Use the intercom feature to communicate between handsets and the base unit.

Image: An illustration depicting multiple individuals engaged in a conference call, utilizing the AT&T DLP73190 phone system's capabilities for multi-party communication.
2.4 Digital Answering System
The integrated digital answering system can record up to 40 minutes of incoming messages.
- Access Messages: Press the MESSAGE button on the base unit or handset to listen to recorded messages.
- Playback Controls: Use the on-screen controls or handset buttons to play, skip, or delete messages.

Image: The digital answering system interface on the base unit's display, showing message playback and options, with a visual cue of a message being played.
2.5 Smart Call Blocker
Effectively screen and block unwanted calls, including robocalls, from ringing through.
- Automatic Blocking: Robocalls are automatically blocked, preventing them from ringing your phone.
- One-Touch Block: Press the CALL BLOCK button to instantly blacklist any incoming number.
- Block List: Store up to 1000 names and numbers in your block list.

Image: The Smart Call Blocker feature displayed on the base unit, emphasizing the dedicated 'Call Block' button for quick blocking of unwanted calls.
2.6 Push-To-Talk Intercom
Transform your DLP73190 handsets into a walkie-talkie system for instant communication within your home or office.
- Activate: Press the PTT button on the handset to initiate a push-to-talk intercom call to another handset.
- Communication: Speak into the handset, and the message will be broadcast to the selected handset.

Image: A person using the Push-To-Talk (PTT) intercom feature on an AT&T DLP73190 handset, demonstrating instant communication capability.
2.7 Download Cellphone Phonebook
Easily transfer contacts from your connected cell phone to the cordless phone system.
- Transfer Contacts: Access the Bluetooth menu on the base unit and select the option to download your cell phone's contacts.
- Capacity: The system can store up to 1,200 names and numbers.

Image: An illustration demonstrating the process of downloading a cell phone's contact list to the AT&T DLP73190 base unit, expanding the phone system's directory.
2.8 Simulated Full-Duplex Handset Speakerphone
Enjoy natural, hands-free conversations where both parties can speak and be heard simultaneously.
- Activation: Press the SPEAKER button on the handset during a call.
- Clarity: Advanced noise-filtering technology ensures clear audio quality.

Image: A woman using the simulated full-duplex handset speakerphone feature of the AT&T DLP73190, allowing for hands-free communication.
2.9 Unsurpassed Range with DECT 6.0
Experience extended coverage and clarity throughout your home or office, thanks to DECT 6.0 technology and advanced antenna design.

Image: An aerial view illustration of a large home, demonstrating the extensive and clear coverage provided by the AT&T DLP73190's DECT 6.0 technology.
3. Maintenance
3.1 Cleaning Your Phone
- Wipe the phone and base unit with a soft, slightly damp cloth.
- Do not use cleaning sprays or liquid cleaners, as they may damage the finish or electrical components.
3.2 Battery Care
- Ensure the handset is placed on the charger when not in use to maintain battery life.
- If the phone will be unused for an extended period, remove the battery from the handset.
- Replace the battery pack when the handset indicates low battery or experiences reduced talk/standby time.
4. Troubleshooting
4.1 Common Issues and Solutions
| Problem | Solution |
|---|---|
| No dial tone | Ensure the telephone line cord is securely connected to both the base unit and the wall jack. Check if the AC adapter is properly connected to the base unit and a working power outlet. |
| Static or poor sound quality | Move the handset closer to the base unit. Avoid placing the base unit near other electronic devices that may cause interference (e.g., microwaves, Wi-Fi routers). Check for loose connections. |
| Handset not charging | Ensure the handset is correctly seated in the charging cradle. Clean the charging contacts on both the handset and the base unit with a dry cloth. Verify the AC adapter is plugged in. |
| Cannot make/receive cell calls via Bluetooth | Confirm your cell phone's Bluetooth is enabled and paired with the base unit. Ensure the cell phone is within range of the base unit. Check the Bluetooth connection status on the base unit display. |
If you continue to experience issues, refer to the full user manual available on the AT&T support website or contact customer support.
5. Specifications
| Feature | Detail |
|---|---|
| Brand | AT&T |
| Model Number | DLP73190 |
| Telephone Type | Cordless |
| Color | Graphite & Black |
| Display | 5-inch Large Color Base Display |
| Answering System Type | Digital (up to 40 minutes recording time) |
| Connectivity | DECT 6.0, Bluetooth Connect to Cell |
| Call Blocking | Smart Call Blocker (stores up to 1000 numbers) |
| Phonebook Capacity | Up to 1,200 names and numbers (downloaded from cell) |
| Conference Call Capability | Basic (outside line + up to 4 handsets) |
| Power Source | Battery Powered (1 AAA battery included) |
| Item Dimensions (L x W x H) | 9.49 x 6.14 x 7.28 inches |
| Item Weight | 0.97 Kilograms |
| Material | Plastic |
| UPC | 650530034268 |
6. Warranty Information
Your AT&T DLP73190 Cordless Phone System comes with a 1-Year limited warranty. This warranty covers defects in material and workmanship under normal use. For specific terms and conditions, please refer to the warranty card included in your product packaging or visit the official AT&T support website.
7. Customer Support
For additional assistance, technical support, or to view the complete user manual, please visit the official AT&T support website or contact their customer service. You can often find FAQs, troubleshooting guides, and contact information for support representatives online.
- Online Support: Visit www.att.com/support/
- Full User Manual: A comprehensive PDF user manual is available for download from the AT&T support website.