Yealink T46G Administrator's Manual page 231

Parameter
1-Enabled
If it is set to 0 (Disabled), the EXP key LED indicators corresponding to your Skype for
Business contacts are off.
If it is set to 0 (Enabled), the EXP key LED indicators vary depending on the status of your
Skype for Business contacts.
Note: It is only applicable to T48G/T46G Skype for Business phones.
Web User Interface:
Features->LED->Exp Led Light On
Phone User Interface:
None
To configure the EXP key LED indicators via web user interface:
Click on Features->LED.
1.
Select the desired value from the pull-down list of Exp Led Light On.
2.
Click Confirm to accept the change.
3.
The EXP key LED indicators on the EXP40 expansion module:
LED Status
Solid green
Solid red
Permitted Values
Description
The Skype for Business contact is available.
The Skype for Business contact is busy.
The Skype for Business contact is Do Not Disturb.
The call of your Skype for Business contact is parked.
The call of your Skype for Business contact is placed on
hold.
The held call of your Skype for Business contact is
resumed.
The Skype for Business contact is in a Skype for Business
Configuring Basic Features
Default
217