Yealink EXP40 User Manual

Configuring the Yealink EXP40 Expansion Module
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If you leave this field blank, the LCD screen of the EXP40 expansion module will display the
default label “ReCall”.
4. Click Confirm to accept the change.
SMS
You can configure an Ext key as the SMS key. Then you can access the text message screen more
quickly and easily by pressing the SMS key.
To configure an Ext key as the SMS key:
1. Click on Dsskey->Ext Key.
2. In the desired Ext key field, select SMS from the pull-down list of Type.
3. Enter the desired value in the Label field or leave it blank.

Yealink EXP40 Specifications

General

Product color	Black
Number of buttons	20 buttons
Compatible products	SIP-T46G, SIP-T48G
Keypad illumination	Yes
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %

Weight and Dimensions

Weight	6700 g
Dimensions (WxDxH)	127 x 213 x 167 mm