1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your Yealink SIP-T74W Wi-Fi IP Phone. Designed for business professionals, the SIP-T74W offers advanced communication features, high-definition audio, and robust connectivity options including Wi-Fi 6 and Bluetooth 5.0.
2. Package Contents
Verify that all items listed below are present in your package:
- Yealink SIP-T74W IP Phone Unit
- Phone Handset with Phone Cord
- Phone Back Stand
- Network Cable (Ethernet)
Note: A power adapter is not included. The phone supports Power over Ethernet (PoE).
3. Physical Overview
Familiarize yourself with the components of your Yealink SIP-T74W IP Phone.
Image 3.1: Front view of the Yealink SIP-T74W IP Phone. This image displays the phone's 4.3-inch color LCD screen, the main keypad, function keys, and the handset resting on the cradle. The screen shows a typical call interface with contact names and call status.
- A. 4.3-inch Color LCD Display: High-resolution screen for call information, menus, and status.
- B. Line Keys/Programmable Keys: Located on either side of the display, these keys can be configured for various functions such as line appearance, speed dial, or feature access.
- C. Navigation Cluster: Used to navigate menus and adjust settings.
- D. Keypad: Standard numeric keypad for dialing numbers.
- E. Function Keys: Dedicated keys for common features like Message, Headset, Mute, Redial, Speakerphone, Volume control.
- F. Handset: Ergonomically designed handset for comfortable calls.
- G. Ports (Rear): Includes Ethernet ports (LAN/PC), Handset port, and potentially a USB port for expansion modules.
4. Setup
- Attach the Stand:
Align the two tabs on the phone back stand with the corresponding slots on the back of the phone. Push firmly until it clicks into place. The stand offers 2 adjustable angles for optimal viewing.
Image 4.1: Angled view of the Yealink SIP-T74W IP Phone, illustrating the phone with its back stand attached, providing a stable base and adjustable viewing angle.
- Connect the Handset:
Plug one end of the coiled handset cord into the handset port on the side of the phone unit and the other end into the handset.
- Connect to Network (PoE):
Connect one end of the provided Ethernet cable to the Internet port (LAN) on the back of the phone and the other end to a Power over Ethernet (PoE) enabled switch or injector. The phone will power on automatically.
If PoE is not available, a separate 5V/2A DC power adapter (not included) must be used. Connect the power adapter to the DC5V port on the back of the phone and then to a power outlet.
- Connect to PC (Optional):
If you wish to connect a computer through the phone, connect an Ethernet cable from the PC port on the back of the phone to your computer's Ethernet port.
- Initial Boot-up:
Once powered, the phone will boot up. This process may take a few minutes. The display will show the Yealink logo, followed by network configuration and SIP registration status.
5. Operating Instructions
5.1 Basic Call Functions
- Making a Call:
Pick up the handset, press the Speakerphone key, or press a Line key. Dial the number using the keypad and press the Send soft key or wait for a few seconds.
- Answering a Call:
Pick up the handset, press the Speakerphone key, or press the flashing Line key.
- Ending a Call:
Replace the handset, or press the Speakerphone key if using speakerphone mode.
- Mute/Unmute:
Press the Mute key during a call to mute your microphone. Press it again to unmute.
- Volume Adjustment:
Press the Volume keys (up/down) during a call to adjust handset, headset, or speakerphone volume. Press them when idle to adjust ringer volume.
5.2 Advanced Features
- SIP Accounts:
The phone supports up to 16 SIP accounts. Configuration is typically handled by your system administrator. Account status is displayed on the LCD screen.
- Wi-Fi Connectivity:
The SIP-T74W supports dual-band Wi-Fi 6 (2.4G/5G). To connect to a Wi-Fi network, navigate to Menu > Basic > Wi-Fi on the phone's display. Select your desired network and enter the password if prompted.
- Bluetooth 5.0:
To pair a Bluetooth headset or other device, go to Menu > Basic > Bluetooth. Enable Bluetooth, search for devices, and select your device to pair.
- Expansion Modules:
The phone supports color-screen expansion modules (sold separately) for additional programmable keys. Refer to the expansion module's manual for installation and configuration.
6. Maintenance
- Cleaning:
Use a soft, dry cloth to clean the phone's surface. For stubborn marks, a slightly damp cloth with mild, non-abrasive cleaner can be used. Avoid excessive moisture and harsh chemicals.
- Environmental Conditions:
Operate the phone within recommended temperature and humidity ranges. Avoid direct sunlight, extreme temperatures, and dusty environments.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone does not power on. | No PoE connection or power adapter not connected/faulty. | Ensure the Ethernet cable is connected to a PoE-enabled port, or connect a functional 5V/2A power adapter. |
| No dial tone. | SIP account not registered; network issue; handset not connected properly. | Check network cable connection. Verify SIP account registration status on the display. Reconnect handset cord. Contact your system administrator. |
| Cannot connect to Wi-Fi. | Incorrect password; out of range; Wi-Fi disabled. | Ensure Wi-Fi is enabled in settings. Re-enter password carefully. Move phone closer to the Wi-Fi router. |
| Poor audio quality. | Network congestion; faulty cable; microphone/speaker issue. | Check network connection. Try a different Ethernet cable. Test with a different handset or speakerphone. |
8. Specifications
| Feature | Detail |
|---|---|
| Display | 4.3-inch 480x272 resolution Color LCD |
| SIP Accounts | Up to 16 |
| Connectivity | Dual-Port Gigabit Ethernet (LAN/PC), Dual-band Wi-Fi 6 (2.4G/5G), Bluetooth 5.0 |
| Power | Power over Ethernet (PoE) support; Optional 5V/2A DC power adapter (not included) |
| Operating System | Linux 6.1 version |
| Dimensions (L x W x H) | 10 x 9 x 1.5 inches (approximate, without stand) |
| Item Weight | 2.5 pounds |
| Material | Plastic |
9. Warranty and Support
Yealink products are covered by a limited warranty. For detailed warranty information, technical support, and service inquiries, please visit the official Yealink website or contact your authorized Yealink reseller. Keep your purchase receipt for warranty claims.
For further assistance, you may also refer to the online resources available on the Yealink support portal.
