Yealink EXP20 User Manual

Configuring the Yealink EXP20 LCD Expansion Module
17
5. Select the desired line to apply this key from the pull-down list of Line.
6. Click Confirm to accept the change.
You can configure an Ext key as the DTMF key. If you press the DTMF key during an
active call, the phone will send the pre-defined DTMF digits.
To configure an Ext key as the DTMF key:
1. Click on DSSKey->Ext Key.
2. In the desired Ext key field, select DTMF from the pull-down list of Type.
3. Enter the desired DTMF digits in the Value field.
DTMF sequence can only contain "0-9", "*", "#" and "A-D".
4. Enter the desired value in the Label field or leave it blank.

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