Highlights and Features at a Glance - T55A
Optima HD voice, HAC Handset
4.3" 480 x 272 capacitive touch screen
Yealink Noise Proof Technology
1 USB 2.0 port for USB headsets, Bluetooth dongle and Wi-Fi dongle
Dual-port Gigabit Ethernet, PoE support
Wall mountable
Based on Android OS, upgradability of firmware to Teams or SfB edition
*Flexible upgradability of device applications for Teams or SfB users.
