Yealink SIP-T44U

· 2.8” colorLCD with backlight

· Up to 12 SIP accounts

· Optima HD voice with Acoustic Shield and Smart Noise Filtering 

· Dual-port Gigabit Ethernet

· Wi-Fi via WF40/WF50

· Bluetooth via BT41/BT51

· Support USB recording 

· Support expansion modules

· Headset, EHS support

· PoE support

· Stand with two adjustable angles, wall mountable