Yealink SIP- T43U IP Desktop Phone

Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance. 

Yealink T4U series supports effortless mass deployment and Zero Touch Provisioning with Yealink's Redirection and Provisioning Service (RPS) and Boot mechanism, making the device management labor-saving and efficient for the administrators.

Dual USB Ports for Flexible Expansion Choices

• Color-screen Expansion Module EXP43 - The 4.3-inch color screen expansion module is designed to offer advanced call handling capabilities with its simplified UI and up to 60 programmable keys for various features.
• Yealink Wireless/Wired USB Headsets - Seamlessly compatible with Yealink wireless/wired USB headsets to meet the needs of users with large call volumes or headset preference and ideal for call center or administrative assistants.
• Bluetooth/Wi-Fi/Wireless Headset Dongles - With the optional USB dongles, the T43U can be enabled of the features including Bluetooth and Wi-Fi or connecting to a compatible wireless headset.

Key Features:

• User Interface Features
  
  • 3.7" color screen with backlight
    
• Audio Features
  
  • Optima HD voice with Acoustic Shield and Smart Noise Filtering
    
• Basic Features
  
  • Up to 12 SIP accounts
    
  • PoE support 
    
  • Stand with two adjustable angles, wall mountable
    
• Advanced Features
  
  • Wi-Fi via WF40/WF50, Bluetooth via BT41
    
  • Support expansion modules
    
  • Support USB recording
    
• Connectivity
  
  • Dual USB ports, dual-port Gigabit Ethernet
    
  • Headset, EHS support

Technical Specifications

• Overview
  
  • Operating System: Linux Based
  • Camera: -
  • Content Sharing: -
• Interface
  
  • LCD Display: 3.7" 480 x 272-pixel color display
  • LCD Type: Fixed
  • LED Indicators: √
  • Line Keys: 10
  • Memory Keys: 27 (3 pages of 9 keys)
  • Expansion Module/Microphone (Accessory, purchased separately): Yealink EXP43
  • Foot Stand: 2 Adjustable Angles
• Audio Features
  
  • HD Voice: HD Speaker,HD Handset
  • Speakerphone: Full-duplex
  • Wideband Codec: G.722，Opus
  • Narrowband Codec: G.711(A/µ), G.729A/B, G.726,G.723.1, iLBC, Opus
  • HAC Handset: √
  • Acoustic Shield: √
  • Yealink Noise Proof: √
• Video Features
  
  • Video Resolution: -
  • Video Codecs: -
• Connectivity
  
  • USB Port (2.0 Compliant): 2
  • Ethernet Port: Dual-port Gigabit Ethernet
  • Handset Port (RJ-9): √
  • Headset Port (RJ-9): √
  • PoE: √
  • Headset: USB Headset
  • Bluetooth: √ (via BT40/BT41)
  • Wi-Fi: √ (via WF40/WF50)
  • HDMI: -
  • Wall Mountable: √
  • Corded-Cordless Phone: -
  • Door Phone Integration: -
• Telephony Features
  
  • SIP Accounts: 12
  • N-way Conferencing: 10-way Conferencing