Introduction
The VTech CS6919-16 DECT 6.0 Expandable Cordless Phone with Caller ID and Handset Speakerphone is designed to provide essential features for a busy household. This manual provides detailed instructions for setting up, operating, and maintaining your new cordless phone system.

Figure 1: VTech CS6919-16 Cordless Phone and Base Unit
This image shows the VTech CS6919-16 cordless phone handset docked in its red base unit. The handset features a black top with the VTech logo and a green-lit LCD screen, and a red keypad with large, clearly labeled buttons. The base unit is also red with a black circular charging area for the handset.
What's in the Box
Verify that your package contains the following items:
- Base Unit
- Cordless Handset
- AC Adapter
- Telephone Line Cord
- NiMH Battery
- Wall-mount Bracket
- Quick Start Guide
Setup
1. Battery Installation
- Open the battery compartment cover on the back of the cordless handset.
- Connect the NiMH battery pack plug into the jack inside the compartment.
- Place the battery pack with the label THIS SIDE UP facing up.
- Replace the battery compartment cover.
2. Base Unit Connection
- Plug the small end of the AC adapter into the power jack on the back of the telephone base.
- Plug the large end of the AC adapter into a standard electrical outlet.
- 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.
3. Charging the Handset
Place the cordless handset in the telephone base. The CHARGE light on the handset will illuminate, indicating that the battery is charging. For optimal performance, charge the handset for at least 16 hours before initial use.
4. Wall Mounting (Optional)
The included wall-mount bracket allows for convenient placement of the telephone base on a wall.

Figure 2: Wall-mount bracket included
This image illustrates the VTech CS6919-16 cordless phone base unit mounted on a wall using the included bracket. The phone is shown in a kitchen setting, demonstrating its versatility in placement.
Operating Instructions
Making and Receiving Calls
- To make a call: Press TALK/FLASH or SPEAKER, then dial the number.
- To receive a call: Press TALK/FLASH or SPEAKER when the phone rings.
- To end a call: Press OFF/CANCEL or place the handset back in the base.
Full Duplex Speakerphone
The handset features a full-duplex speakerphone, allowing both parties to speak and be heard simultaneously for more natural conversations. Activate by pressing the SPEAKER button during a call.

Figure 3: Handset speakerphone in use
This image shows a woman using the VTech CS6919-16 cordless phone's speakerphone feature while preparing food in a kitchen. The phone is placed on the counter, emitting sound waves, indicating the hands-free functionality.
Caller ID/Call Waiting
The handset displays the name, number, time, and date of incoming calls. It stores up to 30 calls in the Caller ID log. To review the Caller ID log, press the CID button (center of the navigation pad) and scroll through the entries.

Figure 4: Caller ID/call waiting display
This image highlights the LCD screen of the VTech CS6919-16 handset, showing a Caller ID entry with a phone number and time. An icon indicating 50 stored Caller ID entries is also visible, emphasizing the phone's call management capabilities.
Phonebook Directory
Store up to 50 names and numbers in the phonebook directory for quick dialing. Access the phonebook by pressing MENU/SELECT and navigating to the Directory option.

Figure 5: 50 name and number phonebook directory
This image displays the VTech CS6919-16 handset and base unit on a table, with a graphic overlay illustrating a contact list. This visually represents the phone's ability to store up to 50 names and numbers in its directory for easy access.
Backlit Keypad and Display
The entire keypad illuminates along with the LCD screen, ensuring clear visibility and ease of use even in dim lighting conditions.

Figure 6: Backlit keypad
This close-up image focuses on the red keypad of the VTech CS6919-16 cordless phone, showing the illuminated buttons. The backlighting ensures that the numbers and functions are clearly visible, even in low-light environments.
Quiet Mode
Temporarily silence the ringer on the handset and base unit for a specified period. This feature is useful for uninterrupted sleep or meetings.
ECO Mode Power-Conserving Technology
ECO mode intelligently manages power consumption, reducing energy usage and extending battery life. This mode is automatically activated when the handset is close to the base unit.
Maintenance
- Cleaning: Clean the phone and base unit with a soft, damp cloth. Do not use cleaning sprays or harsh chemicals.
- Battery Care: For optimal battery life, fully charge the handset regularly. If the phone will not be used for an extended period, remove the battery.
- Location: Avoid placing the phone near heat sources, direct sunlight, or areas with excessive moisture.
Troubleshooting
| Problem | Solution |
|---|---|
| No dial tone. | Ensure the telephone line cord is securely plugged into both the base unit and the wall jack. Check if the AC adapter is properly connected to the base unit and a working electrical outlet. |
| Handset does not charge. | Make sure the handset is correctly seated in the base unit. Clean the charging contacts on both the handset and the base with a dry cloth. Verify the AC adapter is connected. |
| Poor sound quality or static. | Move the handset closer to the base unit. Avoid placing the phone near other electronic devices (e.g., microwaves, Wi-Fi routers) that may cause interference. |
| Caller ID not displaying. | Ensure you have subscribed to Caller ID service from your telephone service provider. |
Specifications
- Product Dimensions: 4 x 4.5 x 6.8 inches
- Item Weight: 15.5 ounces
- Model Number: CS6919-16
- Batteries: 2 AAA NiMH batteries (included)
- Color: Red
- Telephone Type: Cordless
- Material: Plastic
- Power Source: Battery Powered
- Answering System Type: No
- Recording Capacity: 30 minutes (for Caller ID log, not answering machine)
- Country of Origin: Malaysia

Figure 7: Product dimensions
This image provides a visual representation of the VTech CS6919-16 cordless phone and base unit, with labels indicating its approximate height, width, and depth for reference.
Warranty and Support
For warranty information and technical support, please refer to the Quick Start Guide included in your product packaging or visit the official VTech website. Keep your purchase receipt as proof of purchase for warranty claims.





