The yealink sip-t31g ip phone has the following features:
2.3” 132x64-pixel graphical lcd with backlight.
two-port 10/100m ethernet switch.
poe support.
opus codec support.
up to 2 sip accounts.
local 5-way conferencing.
support ehs wireless headset.
unified firmware.
support ydmp/ymcs.
stand with 2 adjustable angles.
wall mountable.