Yealink Optima HD Voice technology integrates state-of-the-art hardware, software, and wideband technology to deliver superior acoustic performance.

The Yealink T4U series simplifies device management with effortless mass deployment and Zero Touch Provisioning, utilizing Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism, making administration more efficient and labor-saving.

Color-Screen Expansion Module EXP43 Designed for enhanced call management, the 4.3-inch color screen expansion module offers a streamlined interface and up to 60 programmable keys for a variety of functions.

• 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.

QUICK LINKS

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