Push-to-Talk Available in Two Different ModesBe Heard Crystal Clearly

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.

·Yealink Acoustic Shield Technology ·Talking time up to 10 hours ·Support W70B/W80MC/W90MC DECT system ·Support Push-to-Talk (only for W70B) Redial or SpeedDial ·Wireless range: up to 50 meters indoors, and 300 meters outdoors (in ideal conditions)

• 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