Displays the current status of your phone to others. Blinks blue for incoming calls on Lync or Skype for Business. Acoustic ringer with adjustable and assignable ringtones. Presence colors: red, violet, green, yellow, blue. The Kuando Busylight Omega USB is an LED signal light for your workspace. Even without wearing a headset or being directly at your desk, you won't miss any calls. The Busylight LED blinks for incoming calls on Lync. An additional ringtone can be activated optionally, or it can be switched to purely acoustic notifications. Eight ringtones are available for incoming calls and instant messages. Additionally, the Kuando Busylight signals to your colleagues when you are on a call, reducing interruptions while you are talking.