IP67，HD Audio ，Ruggedized Headset，Bluetooth，Quick Charge，Vibration Alarm，OTA Upgrade

CommunicationsThe SIP-T44U IP phone is a feature-rich business tool for excellent communications and extended functionality. Integrated with Hall Switch, T44U gives you a quieter operation and environment. It is a 12-line IP phone that comes with a 2.8-inch color display with backlight and the EXP43 support.

• Seamless handover and roaming • Rugged DECT handset with IP67 protection rating • Scratch resistant, disinfectant resistant • 1.8’’ 128x160 TFT color screen with intuitive user interface • HD voice and FNR (Flexible Noise Reduction) • Built-in Bluetooth 4.2 • Vibration alarm • Alarm functions for occupational safety: push-button alarm, no-movement alarm, man-down alarm and running alarm • Up to 28-hour talking time (18 hours with Bluetooth headset) • Up to 360-hour standby time (200 hours with Bluetooth headset) • Keypad backlight and keypad lock • Fully compatible with Yealink W80 Multi-Cell System/Single-Cell W60B for seamless roaming and handover

• 2.8” 320x240-pixel color LCD with backlight• Dual USB ports• Dual firmware images• T4U Auto-P template unified• T4U firmware unified• Up to 12 SIP accounts• PoE support• USB headset and EHS support• Wi-Fi via WF40/WF50• Bluetooth via BT40/BT41/BT51• Supports color-screen expansion modules• Stand with 2 adjustable angles• Wall mountable• Handset with hall switch2.8-inch ScreenOptima HD VoiceDual USB PortsAcoustic ShieldUnified FirmwareGigabitExpansion Module