Just enable it
This Trigger fires every time you place a phone call on your Android device.
This Action will set the ringtone volume of your Android device.
Our new shared location capability allows you to control the smart devices in your home and other automations based on the location of your favorite people. Trigger your Applets based on the location of multiple people with the new Group...
Do more with your Android — automate wallpapers, messages, organize and back up your photos, and increase your battery life. IFTTT is free and makes it easy.
Explore more great ways to automate Android Phone Call and Android Device