1. Introduction
Thank you for purchasing the ciciglow TC990 Wall-Mounted Corded Telephone. This compact and durable telephone is designed for reliable communication in various settings, including homes, offices, hotels, and public spaces. Constructed from high-quality ABS material, it offers long-lasting performance and can be conveniently mounted on a wall or placed on a desk.
Key features include integrated hearing aid technology for enhanced call quality and a user-friendly design for straightforward operation.

Image 1.1: The ciciglow TC990 telephone on a desk, highlighting its compact design and key features.
2. Safety Information
- Do not expose the telephone to water or moisture.
- Avoid placing the telephone near heat sources or in direct sunlight.
- Do not attempt to open or repair the telephone yourself. Refer all servicing to qualified personnel.
- Keep the telephone away from strong magnetic fields.
- Use only the provided telephone line cord.
3. Package Contents
Please check the package for the following items:
- 1 x ciciglow TC990 Telephone Unit
- 1 x Telephone Line Cord
- 1 x User Manual (this document)

Image 3.1: The ciciglow TC990 telephone unit.

Image 3.2: The included telephone line cord.
4. Product Overview
The ciciglow TC990 features a minimalist design with essential functions for clear communication.

Image 4.1: Top view of the telephone, showing its sleek profile.
4.1 Keypad Functions

Image 4.2: Detailed view of the keypad.
- MUTE: Mutes your microphone so the other party cannot hear you.
- PAUSE: Inserts a pause in the dialing sequence (useful for accessing external lines or voicemail).
- HOLD: Puts the current call on hold.
- RESET: Clears the current dialing sequence or ends a call.
- FLASH: Used for call waiting or transferring calls (functionality depends on your phone service provider).
- REDIAL: Dials the last number called.
- 0-9, *, #: Standard dialing keys.
5. Setup
5.1 Connecting the Telephone Line
- Locate the telephone line jack on the back or side of the TC990 unit.
- Plug one end of the provided telephone line cord into this jack.
- Plug the other end of the telephone line cord into your wall telephone outlet (RJ11).
5.2 Wall Mounting
The TC990 is designed for easy wall mounting.
- Identify a suitable location on the wall near a telephone outlet.
- The telephone has keyhole slots on its base. Align these slots with two screws (not included) securely fastened into the wall, spaced appropriately.
- Slide the telephone down onto the screws until it is securely seated.

Image 5.1: The telephone securely mounted on a wall.
5.3 Desk Placement
If you prefer, the TC990 can also be placed on any flat surface.
- Place the telephone on a stable, flat surface such as a desk or table.
- Ensure the telephone line cord is not strained and there is enough slack for comfortable use.

Image 5.2: The telephone placed on a desk.
6. Operating Instructions
6.1 Making a Call
- Lift the handset.
- Listen for a dial tone.
- Dial the desired telephone number using the keypad.
- Once the call is complete, replace the handset to hang up.
6.2 Answering a Call
- When the telephone rings, lift the handset.
- Speak into the microphone and listen through the earpiece.
- Once the call is complete, replace the handset to hang up.
6.3 Using Special Functions
- MUTE: During a call, press the MUTE button to temporarily disable your microphone. Press it again to unmute.
- REDIAL: To redial the last number called, lift the handset and press the REDIAL button.
- HOLD: During a call, press the HOLD button to place the call on hold. The other party will hear silence or hold music (if provided by your service). Lift the handset or press HOLD again to resume the call.
- FLASH: This button is typically used for features like call waiting or transferring calls. Its functionality depends on your telephone service provider. Consult your service provider for details.
7. Maintenance
- Cleaning: Wipe the telephone with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Storage: If storing the telephone for an extended period, disconnect it from the wall outlet and store it in a cool, dry place.
- Cord Care: Avoid tangling or excessively pulling the telephone cords to prevent damage.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No dial tone | Telephone line cord is not connected properly. | Ensure both ends of the telephone line cord are securely plugged in. |
| Cannot hear the other party | Handset volume too low or MUTE function is active. | Check if the MUTE button is engaged. Ensure the handset is properly positioned. |
| Other party cannot hear me | MUTE function is active or microphone is obstructed. | Press the MUTE button to deactivate it. Ensure nothing is blocking the microphone. |
| Telephone does not ring | Telephone line issue or service problem. | Check if other phones on the same line ring. Contact your telephone service provider. |
9. Specifications
| Model | TC990 |
| Material | ABS (Acrylonitrile Butadiene Styrene) |
| Color | Beige |
| Weight | Approx. 335g |
| Operation Type | Single-line |
| Caller ID | No |
| Handset Cord | 4-core |
| Line Cord | 2-core |
10. Warranty and Support
This product comes with a standard manufacturer's warranty. Please refer to the product packaging or your point of purchase for specific warranty terms and conditions.
For technical support or inquiries, please contact your retailer or the ciciglow customer service department. Contact information can typically be found on the product packaging or the official ciciglow website.