Yealink Skype for Business HD IP Phones Administrator Guide 
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To sign out of Skype for Business Server: 
1.  Press the Status soft key. 
2.  Press        or          to select Sign Out.   
The phone signs out of Skype for Business Server. 
After you sign out of Skype for Business Server, the account-related features (calling, 
viewing Skype for Business contacts, calendar, etc.) are not available. However, you can still 
use other phone features. 
Power Indicator LED 
Power indicator LED indicates power status and phone status. 
There are six configuration options for power indicator LED: 
Common Power Light On 
Common Power Light On allows the power indicator LED to be turned on. 
Ring Power Light Flash 
Ring Power Light Flash allows the power indicator LED to flash when the Skype for Business 
phone receives an incoming call. 
Voice Mail Power Light Flash 
Voice Mail Power Light Flash allows the power indicator LED to flash when the Skype for 
Business phone receives a voice mail. 
Mute Power Light On 
Mute Power Light On allows the power indicator LED to flash when a call is mute. 
Hold/Held Power Light On 
Hold/Held Power Light On allows the power indicator LED to flash when a call is placed on hold 
or is held. 
Talk/Dial Power Light On 
Talk/Dial Power Light On allows the power indicator LED to be turned on when the Skype for 
Business phone is busy. 
Procedure 
Power indicator LED can be configured using the configuration files or locally. 
Configure the power indicator LED. 
Parameters: 
phone_setting.common_power_led_enable