Yealink EXP40 User Manual
Page 28
Yealink EXP40 User Guide
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3. Select the desired line to apply this key from the pull-down list of Line.
4. Click Confirm to accept the change.
Busy Lamp Field (BLF) allows you to monitor a user for status changes. You can configure
a DSS key as the BLF key, which allows you to monitor the status (idle, ringing or busy) of
the pre-defined phone user. You can also pick up the incoming call of the monitored user
directly by pressing the BLF key.
To configure a DSS key as the BLF key:
1. Click on DSSKey->Ext Key.
2. In the desired DSS key field, select BLF from the pull-down list of Type.
3. Enter the phone number you want to monitor 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 value specified in the
Value field.
5. Select the desired line to apply to this key from the pull-down list of Line.