T55A Teams Edition.
Mid-level media phone for personal desks.

• Optima HD voice, HAC Handset
• 4.3” 480 × 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.