I have a android phone for answer phone calls and a iPhone for surfing net. Because it is too heavy for bringing two phones in pocket. I usually bring iPhone in pocket and another is in beg. I miss phone call sometimes. This recipe in really helpful for me.

This Trigger fires every time you miss a phone call on your Android device.

This action will send a notification to your devices from the IFTTT app.

If Android phone call missed, then send a IF notification