Help with the pinout LCD UMS-3043AN-1G

hello world,

i recovery some LCD modules from old Cisco Ip Phone 7911 this kind of LCD have 20 pins, i tried to find a datasheet of this but was imposible to find, in the back side of the LCD say:

TG5V-0 94V-0
U.R.T R.O.C.

I want to know how to connect this LCD that have 20 pins to my arduino