Yealink T5 Series
May 2, 2025
Yealink T3 Series
May 2, 2025
Yealink T4 Series
✅ HD Audio with Yealink Optima HD Voice and Noise Proof technology.
✅ SIP Support: Up to 16 SIP accounts (model-dependent).
✅ High-Quality Displays: Ranging from 2.3″ monochrome to 7″ color touchscreen.
✅ USB Port Support (T4S and T4U models): For Bluetooth, Wi-Fi, call recording, and headsets.
✅ Built-in Wi-Fi & Bluetooth on select models like T44W.
✅ Gigabit Ethernet on most models for fast network speed.
✅ Expansion Module Compatibility (EXP40, EXP43) for more programmable keys.
✅ PoE Support: Simplified power and connectivity.
✅ Modern Design: Sleek, professional look for business environments.
✅ Improved Hardware in S/U models for better performance and longevity.
Yealink T4 Series IP Phones, encompassing both the original T4x and the updated T4U models. These phones are designed to cater to various business needs, offering features ranging from basic functionality to advanced capabilities.
📞 Yealink T4 Series IP Phones – Model Overview
| Model | Display | Resolution | SIP Accounts | USB Ports | Ethernet | Wi-Fi / Bluetooth | Expansion Module Support | Notable Features |
|---|---|---|---|---|---|---|---|---|
| T40P | 2.3″ Graphical LCD | 132×64 | 3 | No | 10/100 Mbps | No | No | Entry-level IP phone with PoE support. |
| T40G | 2.3″ Graphical LCD | 132×64 | 3 | No | Gigabit | No | No | Similar to T40P with Gigabit Ethernet. |
| T41P | 2.7″ Graphical LCD | 192×64 | 6 | No | 10/100 Mbps | No | Yes (EXP40) | Enhanced audio quality with Optima HD Voice. |
| T41S | 2.7″ Graphical LCD | 192×64 | 6 | Yes | Gigabit | Optional via USB | Yes (EXP40) | Improved processor and USB port for expansion. |
| T42G | 2.7″ Graphical LCD | 192×64 | 12 | No | Gigabit | No | Yes (EXP40) | Supports up to 12 SIP accounts. |
| T42S | 2.7″ Graphical LCD | 192×64 | 12 | Yes | Gigabit | Optional via USB | Yes (EXP40) | Enhanced performance with USB expansion. |
| T43U | 3.7″ Graphical LCD | 360×160 | 12 | 2 | Gigabit | Optional via USB | Yes (EXP43) | Dual USB ports for flexible connectivity. |
| T44W | 2.8″ Color LCD | 320×240 | 12 | 2 | Gigabit | Built-in Wi-Fi & Bluetooth | Yes (EXP43) | Integrated wireless connectivity and HD audio. |
| T46G | 4.3″ Color LCD | 480×272 | 16 | No | Gigabit | No | Yes (EXP40) | High-resolution display for enhanced visuals. |
| T46S | 4.3″ Color LCD | 480×272 | 16 | Yes | Gigabit | Optional via USB | Yes (EXP40) | Improved hardware and USB support. |
| T46U | 4.3″ Color LCD | 480×272 | 16 | 2 | Gigabit | Optional via USB | Yes (EXP43) | Dual USB ports and advanced audio features. |
| T48G | 7″ Touchscreen | 800×480 | 16 | No | Gigabit | No | Yes (EXP40) | Large touchscreen for intuitive navigation. |
| T48S | 7″ Touchscreen | 800×480 | 16 | Yes | Gigabit | Optional via USB | Yes (EXP40) | Enhanced processing power and USB expansion. |
| T48U | 7″ Touchscreen | 800×480 | 16 | 2 | Gigabit | Optional via USB | Yes (EXP43) | Dual USB ports and advanced security features. |
🔑 Key Features Across the T4 Series
- HD Audio: All models support Yealink Optima HD Voice for clear audio communication.
- PoE Support: Power over Ethernet is standard across the series, simplifying installation.
- Expansion Modules: Select models support expansion modules like EXP40 and EXP43 for additional line keys.
- USB Ports: T4S and T4U models feature USB ports for accessories like headsets, Bluetooth, and Wi-Fi dongles.
- Gigabit Ethernet: Most models offer Gigabit Ethernet for high-speed connectivity.
- Wireless Connectivity: Models like T44W come with built-in Wi-Fi and Bluetooth for flexible deployment.
For more detailed specifications and to explore the full range of Yealink T4 Series IP Phones, please visit the official Yealink website:
| Brand | Yealink |
|---|---|
| Model | SIP-T43U / T42U, SIP-T44U / T44W, SIP-T46U, SIP-T48U |
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