Yealink SIP-T43U IP Phone – 12-Line Professional Business VoIP Phone

The Yealink SIP-T43U IP Phone is a feature-rich VoIP desk phone built for professionals who need reliable communication, scalability, and ease of management. Supporting up to 12 SIP accounts, it is ideal for receptionists, administrators, and call center agents. Equipped with an integrated Hall Switch, the handset delivers silent on/off-hook operation, improving user comfort and extending device lifespan. The 3.7-inch black-and-white LCD screen provides clear visibility of calls, contacts, and menus. With dual USB ports, the T43U supports USB headsets, Bluetooth adapters (BT40/BT41/BT52), and Wi-Fi adapters (WF40/WF50), giving businesses flexibility without extra cabling. PoE support simplifies installation, while compatibility with the EXP43 color-screen expansion module allows users to manage more contacts and calls efficiently. The phone runs on Yealink’s unified T4U firmware, enabling easier deployment, faster updates, and centralized management across large VoIP installations. Key Features 12 SIP Accounts – Efficient multi-line call handling 3.7” 360×160 Graphical LCD – Clear and easy navigation Hall Switch Handset – Silent operation & longer durability Dual USB Ports – Headset, Bluetooth & Wi-Fi support PoE Support – Reduced cabling and clean installation EXP43 Expansion Support – Enhanced productivity Unified T4U Firmware – Simplified provisioning & management Wall-Mountable & Adjustable Stand – Flexible deployment Technical Specifications Feature Specification Display 3.7” LCD, 360 × 160 pixels, backlit SIP Accounts Up to 12 USB Ports 2 × USB 2.0 Power PoE (IEEE 802.3af) Wireless Wi-Fi via WF40 / WF50 Bluetooth BT40 / BT41 / BT52 Expansion EXP43 color-screen modules Firmware Unified T4U firmware Mounting Desk (2 angles) / Wall mount Handset Hall Switch handset Headset USB & EHS supported Use Cases Office desk phones Reception & front desk operations Call centers & customer service desks IP PBX & VoIP systems Hotels & enterprise environments VoIP Phones Yealink IP Phones IP PBX Systems Headsets & VoIP Accessories �� Yealink SIP-T43U Official Product Page�� Yealink EXP43 Expansion Module