Disabling the Message Waiting (Voicemail) Indicator Light

1. Log into the phone's web interface via the IP address in a browser.
2. Click on Settings in the top menu.
3. Select Basic from the drop-down menu.
4. Scroll down to the Indication section.
5. Uncheck the box next to Voicemail.
6. Click Save.

The Message Waiting (Voicemail) Indicator should now be disabled.