Yealink EXP20 User Manual

Using the Yealink EXP20 LCD Expansion Module
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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
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 9.
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 .

Yealink EXP20 Specifications

General

Handset type	-
Product type	IP Phone
Product color	Black
Backlight display	Yes
Display resolution	160 x 320 pixels
Lines quantity	- lines
Phonebook capacity	- entries
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Number of handles included	- pc(s)
Certification	CE, RoHS
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	110 mm
Width	112 mm
Height	143 mm