Yealink EXP40 - Manual (Page 24)

Yealink EXP40 User Guide
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If you leave this field blank, the LCD screen will display the default label “DTMF”.
5. Click Confirm to accept the change.
You can configure a DSS key as the voice mail key. Then you can press the voice mail
key when the phone is idle to dial out the pre-defined voice mail access code, and
follow the voice prompt to listen to the voice mails.
To configure a DSS key as the voice mail key:
1. Click on DSSKey->Ext Key.
2. In the desired DSS key field, select Voice Mail from the pull-down list of Type.
3. Enter the voice mail access code in the Value field.
4. Enter the desired value in the Label field or leave it blank.
If you leave this field blank, the LCD screen will display the default label “Voice
Mail”.