Introduction
The AT&T CL82257 DECT 6.0 2-Handset Cordless Phone System is designed to provide clear communication and advanced features for your home or office. This system includes a digital answering machine, smart call blocker, caller ID announcer, and intercom capabilities, all within a long-range DECT 6.0 framework. Its user-friendly design features large buttons and an extra-large display for enhanced readability and ease of use.
What's in the Box
- Main Base Unit
- Charging Cradle
- 2 Handsets
- Power Adapters
- Telephone Line Cord
- Batteries for Handsets

Image: The AT&T CL82257 cordless phone system, showing the main base unit with one handset docked, and a separate charging cradle with the second handset.
Setup
- Connect the Base Unit: Plug the small end of the power adapter into the power jack on the back of the telephone base. Plug the large end of the power adapter into a wall outlet not controlled by a wall switch.
- Connect the Telephone Line: Plug one end of the telephone line cord into the TEL LINE jack on the back of the telephone base. Plug the other end of the telephone line cord into a telephone wall jack.
- Install Handset Batteries: Open the battery compartment cover on the back of each handset. Connect the battery pack plug into the jack inside the compartment, ensuring correct polarity. Place the battery pack inside the compartment and close the cover.
- Charge Handsets: Place each handset in its respective charging cradle or the main base unit. Allow the handsets to charge for at least 11 hours before initial use to ensure full battery capacity. The CHARGE light on the handset will illuminate when properly charging.
For detailed setup instructions, including advanced configurations, please refer to the complete User Manual PDF available for download from the manufacturer's website.
Operating Instructions
Making and Receiving Calls
- To make a call, press PHONE and dial the number.
- To answer a call, press PHONE when the phone rings.
- To end a call, press OFF.
Digital Answering System
The system includes a digital answering machine capable of recording up to 22 minutes of messages, outgoing announcements, and memos. A voice guide assists with setup and operation.

Image: Close-up of the base unit's digital answering system controls, including play/stop, skip, repeat, volume, and message counter.
Smart Call Blocker
Effectively block unwanted calls, including robocalls, from ringing through. You can permanently blacklist numbers with a single touch. The call block directory can store up to 1,000 entries.
- To block a number during a call, press the CALL BLOCK button on the handset.
- To add a number to the block list manually, navigate through the handset menu.

Image: A hand demonstrating the use of the dedicated 'CALL BLOCK' button on the handset, highlighting the ease of blocking unwanted calls.
Caller ID Announce
The handset announces the name of the caller, allowing you to screen calls without needing to look at the display.

Image: A visual representation of the Caller ID Announce feature, showing the phone displaying caller information with an accompanying speech bubble.
Intercom and Push-to-Talk
Communicate between handsets within your home using the intercom feature. The push-to-talk function allows for instant, two-way communication.

Image: A close-up view of the handset, emphasizing the 'PUSH TO TALK' button on the side for quick internal communication.
Long Range and HD Audio
Benefit from extended range coverage and enhanced clarity due to advanced antenna design and noise-filtering technology. The system also provides HD audio with an equalizer for customized sound.

Image: An overhead diagram illustrating the extensive range of the cordless phone system within a multi-room environment.

Image: A user interacting with the phone, with a graphic overlay indicating HD audio and equalizer settings for personalized sound.
Large Display and Buttons
The handsets feature a large 2-inch screen with high-contrast text for easy reading of caller ID and call history. Enlarged font and a lighted keypad facilitate dialing in low-light conditions.

Image: A detailed view of the handset's extra-large display, designed for easy viewing of information.

Image: A hand interacting with the large, clearly labeled buttons on the phone's keypad, emphasizing ease of dialing.
Expandability
The system is expandable, allowing you to add up to 12 total handsets (using CL80107 or CL80067 models) with only one phone jack required.

Image: A visual representation of the system's expandability, showing a main base unit and several additional handsets and charging cradles.
Maintenance
- Cleaning: Clean the telephone base and handset with a soft, slightly damp cloth. Do not use cleaning agents or abrasive powders.
- Battery Care: To maintain optimal battery performance, fully charge the handsets regularly. If the phone will not be used for an extended period, remove the batteries.
- Environmental Conditions: Avoid placing the phone in direct sunlight, near heating appliances, or in areas with excessive moisture or dust.
Troubleshooting
If you experience issues with your AT&T CL82257 phone system, try the following basic troubleshooting steps:
- No Dial Tone: Ensure the telephone line cord is securely connected to both the phone base and the wall jack. Check if other phones on the same line are working.
- Handset Not Charging: Verify the handset is correctly seated in the charging cradle or base. Ensure the power adapter is plugged in. Clean the charging contacts on both the handset and base/cradle.
- Poor Sound Quality: Move the handset closer to the base unit. Check for interference from other electronic devices.
- Call Blocker Not Working: Ensure the Smart Call Blocker feature is enabled in the phone's settings. Review your block list entries.
For more comprehensive troubleshooting guides and solutions to specific problems, please consult the full User Manual (PDF).
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 6.3 x 3.96 x 7.26 inches |
| Item Weight | 1.8 pounds |
| Model Number | CL82257 |
| Batteries | 2 Product Specific batteries required (included) |
| Telephone Type | Cordless |
| Answering System Type | Digital |
| Expandability | Up to 12 Handsets |
| Color | Rose Gold Cordless |
| Material | Metal, Plastic |
Warranty and Support
This AT&T product is manufactured by Vtech Communications, Inc. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official AT&T customer support website. Keep your purchase receipt as proof of purchase for warranty claims.





