The Yealink SIP-T43U is a feature-rich business IP phone designed to deliver clear communications and extended functionality for professionals in any office environment. Featuring a 3.7" graphical LCD display with backlight, the T43U supports up to 12 SIP accounts and delivers superb audio quality through Yealink's Optima HD Voice technology with Acoustic Shield, ensuring crystal-clear conversations even in noisy surroundings.
A standout feature of the T43U is its dual USB ports, which give users the flexibility to simultaneously use any two of the following: Bluetooth headset, Wi-Fi connectivity, USB headset, or USB call recording. Optional dongles for Wi-Fi (WF40/WF50) and Bluetooth (BT40/BT41/BT51) make wireless connectivity simple to add. The phone also supports up to 3 cascaded EXP43 color-screen expansion modules, providing up to 180 additional programmable keys for high-volume environments.
- Supports up to 12 SIP accounts
- 3.7" 360x160 graphical LCD display with backlight
- Dual USB 2.0 ports for Bluetooth, Wi-Fi, headset, or call recording
- Optional Wi-Fi via WF40/WF50 and Bluetooth via BT40/BT41/BT51
- 21 programmable DSS keys across 3 pages
- Supports up to 3 cascaded EXP43 color-screen expansion modules
- Yealink Optima HD Voice with Acoustic Shield technology
- PoE support (IEEE 802.3af) and dual Gigabit Ethernet ports
- Dual firmware images for enterprise-level system protection
- Zero-touch provisioning via Yealink RPS
- Display: 3.7" graphical LCD, 360x160, with backlight
- SIP Accounts: Up to 12
- Programmable Keys: 21 DSS keys (8 line keys, 3 pages)
- Network Ports: Dual Gigabit Ethernet
- Wi-Fi: Optional via WF40 or WF50 USB dongle
- Bluetooth: Optional via BT40, BT41, or BT51 USB dongle
- USB: 2 × USB 2.0 (Bluetooth, Wi-Fi, headset, or recording)
- Audio: Optima HD Voice, Acoustic Shield, Smart Noise Filtering, Full-Duplex Speakerphone
- Conferencing: 5-way audio
- Power: PoE (IEEE 802.3af, Class 2) or optional AC adapter (5V/1.2A)
- Security: TLS 1.3, SRTP, AES256, WPA2/WPA3, OpenVPN
- Dimensions: 224.9 mm × 206.2 mm × 174.9 mm × 52 mm
- Operating Temp: -10°C to +45°C (14°F to 113°F)
Compatible Accessories
Wireless Headsets
Yealink BH70 Essential Bluetooth Wireless Dual Headset
$205.00
$132.99
Wireless Headsets
Yealink BH70 Essential Bluetooth Wireless Mono Headset
$169.00
$105.99
Wireless Headsets
Yealink BH71 Wireless Bluetooth Headset
$119.00
$82.99
Wireless Headsets
Yealink BH74 ANC Bluetooth Headset
$195.00
$149.99
Wireless Headsets
Yealink BH76 Plus Premium Bluetooth Wireless Headset
$289.00
$184.99
Wireless Headsets
Yealink BH78 ANC Bluetooth Headset
$399.99
$346.99
Phone Accessories
Yealink EHS35 Wireless Headset Adapter
$39.00
$32.99
Phone Accessories
Yealink EHS40 Wireless Headset Adapter
$86.00
$69.99
Expansion Consoles
Yealink EXP43 T4 Series Color Expansion Console
$129.99
$109.99
Wired Headets
Yealink UH35 USB Wired Dual Headset
$59.00
$43.99
Wired Headets
Yealink UH42 USB Wired Dual Headset
$67.99
$38.99
Wired Headets
Yealink UH44 USB Wired Dual Headset
$69.99
$43.99
Wired Headets
Yealink UH46 USB Wired Dual Headset
$77.99
$63.99
Wired Headets
Yealink UH48 ANC USB Wired Headset
$125.00
$88.99
DECT Headsets
Yealink WH62 DECT Wireless Dual Headset
$219.00
$188.99
DECT Headsets
Yealink WH63 E2 Convertible DECT Wireless Headset
$185.00
$116.99
DECT Headsets
Yealink WH64 Hybrid Wireless Dual Headset
$199.00
$141.99
DECT Headsets
Yealink WH64 Hybrid Wireless Mono Headset
$179.00
$120.99
DECT Headsets
Yealink WH64 Workstation DECT Wireless Dual Headset
$259.99
$212.99
DECT Headsets
Yealink WH64 Workstation DECT Wireless Mono Headset
$239.99
$196.99
DECT Headsets
Yealink WH67 Premium DECT wireless headset
$375.00
$258.99
DECT Headsets
Yealink WH68 Hybrid DECT Wireless Headset
$299.00
$274.99
Wired Headets
Yealink YHS34 Lite Wired Mono Headset
$32.00
$29.99
Wired Headets
Yealink YHS36 E2 QD to RJ Wired Mono Headset
$59.00
$50.99
Voigo SKU: VG1344 | Mfg Model: SIP-T43U
Yealink SIP-T43U IP Phone
$179.00
$112.99
Rent this phone from us. Only
$2.00/mo
Lease to Own this phone. Only
$4.00/mo
for 24 Months
* Restrictions may apply
Quick highlights
| ✓ | 3.7" Graphical LCD Display with Backlight |
| ✓ | 21 programmable DSS keys |
| ✓ | Supports up to 12 SIP Accounts |
| ✓ | Dual USB Ports for Wi-Fi, Bluetooth, or Recording |
| ✓ | HD Voice for Superior Audio Quality |
Have Any Questions?
Works with Voigo
Compatibility Tested and Guaranteed
Expert Advice
Get the right device for your needs
Pre-Configured
No setup required. Plug & Play
Fast Delivery
Free Shipping on most orders
Related Products
$224.99
$149.99
$142.99
$382.99
Related Products
$224.99
$149.99
$142.99
$382.99