Yealink Expansion Module with Display for (T4 Series)

Description The Expansion Module for the T4 series phones, expanding the functional capability of your sip phone to a whole new level. It features a large graphic LCD. Two pages of 20 flexible buttons are shown on the display can be programmed up to 40 various features, the productivity-enhancing features include BLF/BLA, speed dialing, call forward, transfer, park, pickup, etc. Features An exclusive collection which quality and detailed designs Rich visual experience with 160×320 graphic LCD 20 physical keys each with a dual-color LED 2 independent control keys are used for fast switch pages Stand with 2 adjustable angles Wall mountable Specification Display 160×320 graphic LCD with 16-level grayscales LCD Backlight Two page views are possible Different icons for each function shown on the LCD Features Keys and Indicator 20 physical keys each with a dual-color LED 20 additional keys through page switch 2 independent control keys are used for fast switch pages Programmable for