SKU: yealink sip- t42u
MPN: SIP- T42U
User Interface Features: 2.7" graphical LCD with backlight
. Audio Features: Optima HD voice with Acoustic Shield and Smart Noise Filtering
. Basic Features: Up to 12 SIP accounts
. PoE support
. Stand with two adjustable angles, wall mountable
. Advanced Features: Wi-Fi via WF40/WF50, Bluetooth via BT41
. Support USB recording
. Connectivity: USB Headsets, EHS support
. Headset, EHS support.