Yealink EXP20 User Manual

Configuring the Yealink EXP20 LCD Expansion Module
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If you leave this field blank, the LCD screen of the EXP20 LCD expansion module will
display “Prefix: „the value specified in the Value field‟ ” (e.g., Prefix:0592) for
SIP-T29G IP phones or “Prefix” for and SIP-T27P IP phones.
5. Click Confirm to accept the change.
You can configure an Ext key as the local group key. Then you can press the local group
key to access the pre-defined contact group in the local directory quickly.
To configure an Ext key as the local group key:
1. Click on DSSKey->Ext Key.
2. In the desired Ext key field, select Local Group from the pull-down list of Type.
3. Enter the desired value in the Label field or leave it blank.
If you leave this field blank, the LCD screen of the EXP20 LCD expansion module will
display the default label “the selected group name” (e.g., All Contacts).

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