If it works!!!
If
Leave IFTTT any voicemail
This Trigger fires every time you leave any voicemail at your IFTTT phone number.
Then
Change color
This Action will change the color of your hue lights. NOTE: Accepts color names and CSS hex color values. Defaults to white if no color match is found. NOTE: not compatible with hue lux bulbs.
Explore more great ways to automate Phone Call (US only) and Philips Hue