1. Product Overview
The BISOFICE D1015 TAM is a versatile cordless telephone system designed for ease of use and clear communication. It features a large button keypad, a clear LCD screen, and an integrated Telephone Answering Machine (TAM) for managing missed calls.
Key Features:
- Cordless Operation: Enjoy freedom of movement while on calls.
- Telephone Answering Machine (TAM): Built-in answering machine with approximately 60 minutes of recording capacity.
- Large Buttons & Large Screen: Features a 1.8-inch LCD screen with 3 lines display and backlight function, along with large, easy-to-read buttons, making it user-friendly, especially for seniors.
- Adjustable Volume: Handset volume can be adjusted with 8 levels, and a dedicated 'AMP' button provides a quick volume boost.
- Incoming Call Indicator: Visual indicator for incoming calls.
- Multi-language Interface: Supports 16 interface languages including Spanish, English, French, German, Italian, Portuguese, Dutch, Hungarian, Greek, Polish, Danish, Norwegian, Swedish, Turkish, Russian, and Ukrainian.
- Flash Time Settings: Configurable flash time (100/300/600/1000MS).

Image: Close-up of the BISOFICE D1015 TAM handset highlighting its large buttons and 1.8-inch LCD screen, designed for easy readability.

Image: The BISOFICE D1015 TAM handset, with callouts indicating the 'AMP' button on the left for volume increase and the side buttons on the right for 8-level volume adjustment.
2. Setup Guide
2.1 Package Contents
Before you begin, please ensure all items are present in the package:
- 1 x Cordless Phone Handset
- 1 x Phone Cradle (Base Unit)
- 1 x Phone Line Cable
- 2 x 1.2V 400MAh Ni-MH AAA Batteries
- 1 x Power Adapter

Image: All components of the BISOFICE D1015 TAM system laid out: the handset, base unit, power adapter, two AAA batteries, and the phone line cable.
2.2 Battery Installation
- Locate the battery compartment on the back of the cordless phone handset.
- Slide open the battery compartment cover.
- Insert the two 1.2V 400MAh Ni-MH AAA batteries, ensuring correct polarity (+ and -).
- Close the battery compartment cover securely.
2.3 Connecting the Base Unit
- Connect one end of the phone line cable to the 'LINE' port on the back of the phone cradle.
- Connect the other end of the phone line cable to your telephone wall jack.
- Plug the power adapter into the 'DC IN' port on the back of the phone cradle.
- Plug the power adapter into a standard electrical outlet.
2.4 Initial Charging
Place the cordless phone handset onto the phone cradle. The handset will begin charging. For optimal battery performance, allow the handset to charge for at least 12-15 hours before its first use, even if the display indicates a full charge sooner.
3. Operating Instructions
3.1 Making a Call
- Pick up the handset from the cradle or press the Green Call Button (
). - Dial the desired phone number using the keypad.
- Press the Green Call Button again to initiate the call, or wait a few seconds for the call to connect automatically after dialing.
- To end a call, press the Red End Call Button (
) or place the handset back on the cradle.
3.2 Receiving a Call
When the phone rings and the incoming call indicator flashes:
- Pick up the handset from the cradle or press the Green Call Button (
) to answer the call. - To end the call, press the Red End Call Button (
) or place the handset back on the cradle.

Image: The BISOFICE D1015 TAM handset and base unit, with red flashing lights indicating an incoming call.
3.3 Adjusting Volume
- During a Call: Use the volume up/down buttons on the side of the handset to adjust the earpiece volume (8 levels).
- Volume Boost: Press the 'AMP' button on the side of the handset for an immediate increase in volume.
- Ringer Volume: Ringer volume can typically be adjusted through the phone's menu settings. Refer to the on-screen menu for options.
3.4 Using the Answering Machine (TAM)
The integrated Telephone Answering Machine (TAM) allows you to receive messages when you are unavailable. It has approximately 60 minutes of recording capacity.
- Play Messages: Press the MEMO button on the base unit to play back recorded messages.
- Delete Messages: Press the DEL button on the base unit to delete the current message.
- Record Outgoing Message (OGM): Press the OGM button on the base unit to record or re-record your personalized outgoing message. Follow the voice prompts.
- Answering Machine On/Off: Use the dedicated button on the base unit (often indicated by a power symbol or 'ON/OFF') to activate or deactivate the answering machine.

Image: The BISOFICE D1015 TAM handset and base unit, with a speech bubble indicating the telephone answering machine function.
3.5 Language Settings
To change the interface language:
- Access the phone's menu (usually by pressing the 'Menu' or 'OK' button).
- Navigate to 'Settings' or 'Language'.
- Select your desired language from the 16 available options.
- Confirm your selection.
3.6 Flash Time Setting
The flash time setting is important for certain telephone services (e.g., call waiting, conference calls). To adjust:
- Access the phone's menu.
- Navigate to 'Settings' or 'Advanced Settings'.
- Locate 'Flash Time' and choose from 100ms, 300ms, 600ms, or 1000ms, depending on your telephone service provider's requirements.
4. Maintenance
- Cleaning: Use a soft, damp cloth to clean the handset and base unit. Do not use abrasive cleaners or solvents.
- Battery Care: If the phone will not be used for an extended period, remove the batteries from the handset to prevent leakage.
- Storage: Store the phone in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Water: Keep the phone away from water and moisture.
5. Troubleshooting
If you encounter issues with your BISOFICE D1015 TAM Cordless Telephone, please refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No dial tone | Phone line not connected or faulty. | Check phone line connection to wall jack and base unit. Try another phone line if available. |
| Cannot make/receive calls | Power adapter not connected. Handset out of range or battery low. | Ensure power adapter is securely plugged in. Move handset closer to base unit. Place handset on cradle to charge. |
| Poor sound quality / Static | Interference from other electronic devices. Handset too far from base. | Move base unit away from other electronics (e.g., Wi-Fi routers, microwaves). Move handset closer to base. |
| Handset not charging | Handset not properly seated in cradle. Dirty charging contacts. Faulty batteries. | Ensure handset is correctly placed in cradle. Clean charging contacts on both handset and cradle with a dry cloth. Replace batteries if old or damaged. |
| Answering machine not recording | Answering machine is off. Memory full. | Ensure answering machine is turned on. Delete old messages to free up memory. |
6. Specifications
Detailed technical specifications for the BISOFICE D1015 TAM Cordless Telephone:
| Feature | Description |
|---|---|
| Model | D1015 TAM |
| Color Options | Black, White |
| Material | ABS |
| Phone Dimensions (L x W x H) | 19 x 5.7 x 2.7 cm (7.48 x 2.24 x 1.06 inches) |
| Cradle Dimensions (L x W x H) | 16.8 x 12.5 x 6 cm (6.61 x 4.92 x 2.36 inches) |
| Battery Type | 2 x 1.2V 400MAh Ni-MH AAA batteries |
| Interface Languages | 16 (Spanish, English, French, German, Italian, Portuguese, Dutch, Hungarian, Greek, Polish, Danish, Norwegian, Swedish, Turkish, Russian, Ukrainian) |
| Flash Time Options | 100ms, 300ms, 600ms, 1000ms |
| Answering Machine Recording Capacity | Approx. 60 minutes |
| Caller Identification | Yes |
| Product Weight | 532.43 g (1.17 lbs) |
| Manufacturer | BISOFICE |

Image: The BISOFICE D1015 TAM handset and base unit with key dimensions (19cm, 5.7cm, 2.7cm for phone; 16.8cm, 12.5cm, 16.8cm for cradle) overlaid.
7. Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or contact your retailer. If you require technical support or have questions not covered in this manual, please contact BISOFICE customer service through the contact details provided on their official website or your purchase platform.