The SIP-T43U IP phone is a feature-rich business tool for excellent communications and extended functionality. It is a 12-line IP phone that comes with a 3.7-inch large black-and-white screen and the EXP43 support. United Yealink Optima HD Voice technology and wideband codec of Opus, the T43U awards you the superb audio quality and crystal-clear voice communications. The phone feels quicker and more responsive when performing call features. Moreover, the T43U puts dual USB ports in a phone that makes Bluetooth, Wi-Fi, USB headset and USB recording come true, and you can use any two of them freely according to your needs. The Yealink new T4U series offers the same elegant appearance as the T4 line, but with improvements for greater interoperability and better collaboration.

Sound and Hear with Remarkable Clarity

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

Efficient Deployment and Management

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.

Yealink T43U SIP Phone | Features at a Glance

User Interface Features
• 3.7" 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

Features

Phone Features

• 12 VoIP accounts
• One-touch speed dial, redial
• Call forward, call waiting, call transfer, call hold
• Call return, group listening, emergency call
• Mute, auto answer, DND, hoteline
• 3-way conference call
• Direct IP call without SIP proxy

Physical Features

• 3.7″ 360×160-pixel graphical LCD with backlight
• LED for call and message waiting indication
• 8 line keys with LED
• Programmed up to 21 paperless DSS keys (3-page view)

IP-PBX and BroadSoft Features

• Busy Lamp Field (BLF),
• Bridged Line Apperance (BLA)
• Anonymous call, anonymous call rejection
• Hot-desking, voice mail
• Flexible seating, Executive and Assistant
• Call park, call pickup
• Centralized call recording, call recording
• Visual voice mail

Network and Security

• SIP v1 (RFC2543), v2 (RFC3261)
• Call server redundancy supported
• NAT traversal: STUN mode
• Proxy mode and peer-to-peer SIP link mode
• IP assignment: static/DHCP
• HTTP/HTTPS web server
• Time and date synchronization using SNTP
• UDP/TCP/DNS-SRV(RFC 3263)

Management

• Configuration: browser/phone/auto-provision
• Auto provision via FTP/TFTP/HTTP/HTTPS
• Auto-provision with PnP
• Broadsoft device management
• Zero-sp-touch TR-069
• Phone lock for personal privacy protection
• Reset to factory, reboot
• Package tracing export, system log

Video Review

-Yealink SIP-T43U Resources-