Yealink W52 notification light is used to indicate voice mails and missed calls. When the handset receives a voice mail or misses a call, the message key LED flashes red. You can configure the notification light to indicate the voice mails or missed calls respectively.

To configure notification light via the handset:

  1. Press OK to enter the main menu.
  2. Select Settings > Display > Notification Light
  3. Press Left or Right to select the desired value from the Voice Mail field.
    If Enabled is selected, the message key LED flashes red when the handset receives a voice mail.
    If Disabled is selected, the message key LED won’t flash when the handset receives a voice mail.
  4. Press Left or Right to select the desired value from the Missed Call field.
    If Enabled is selected, the message key LED flashes red when the handset misses a call.
    If Disabled is selected, the message key LED won’t flash when the handset misses a call.
  5. Press the Save soft key to accept the change or the Back soft key to cancel.

Note: When you press the Message key to view the missed calls or the received messages, the message key LED will go out.