Yealink EXP20, User Manual, Page: 5 / 55

About This Guide
v
Thank you for choosing the Yealink EXP20 LCD expansion module. EXP20 is designed to
expand the functional capability of the SIP-T29G and SIP-T27P IP phones. It features a
160*320 graphic LCD screen and 20 physical keys with dual-color LEDs. You can add 20
additional keys via a page switch key, bringing the number of keys up to 40. Up to six
expansion modules can be daisy-chained to a single SIP-T29G/T27P host phone, offering
a maximum of 240 Ext keys per phone.
Yealink EXP20 is ideal for receptionists, administrative assistants, call center agents,
power-users, and executives who need to monitor and manage a large volume of calls
on a regular basis.
This guide provides everything you need to quickly set up and use the EXP20 LCD
expansion module. Be sure to read the Packing Contents in this guide before you set up
and use your EXP20 LCD expansion module. This guide takes the working together of the
Yealink SIP-T29G IP phone running firmware version 80 and the Yealink EXP20 LCD
expansion module as an example for reference.
Topics provided in this guide include:

Chapter 1 Getting Started

Chapter 2 Configuring the Yealink EXP20 LCD Expansion Module

Chapter 3 Using the Yealink EXP20 LCD Expansion Module

Chapter 4 Troubleshooting