User Guide

Yealink EXP20 User Guide

Using the Yealink EXP20 LCD Expansion Module

The use of Ext keys on the EXP20 LCD expansion module and DSS keys on the host phone are

almost the same. For more information on using DSS keys on the host phone, refer to the

DSS

keys

section of

Yealink phone-specific user guide

This chapter provides you the following operating instructions for the EXP20 LCD expansion

module. Topics include:

 Using the Line Key

 Adjusting the Contrast

 Adjusting the Backlight

 Using the Busy Lamp Field

 Resetting the Yealink EXP20 LCD Expansion Module

Using the Line Key

You can configure line keys to associate with a line for the connected EXP20 LCD expansion

module. Incoming calls to the line can be distributed evenly among the available line keys both

on the host phone and the connected EXP20 LCD expansion module. Each line key on the

connected EXP20 LCD expansion module can only handle one call. For more information on

configuring an Ext key as the line key, refer to Line on page 10.

You can use a line key to do the following:

 Placing a call

 Answering a call

 Placing an active call on hold

 Resuming a held call

To place a call using the line key:

1. Press the line key on the EXP20 LCD expansion module, the host phone will enter the

pre-dialing screen.

2. Enter the desired number using the keypad on the host phone.

3. Press , or the Send soft key on the host phone.

For more information on placing a call, refer to the

Placing Calls

section of

Yealink

phone-specific user guide