Ring detection or other landline phone interface

Is there a simple way to set up & detect an incoming phone call to a landline to be detected as an event to trigger a follow on action. I came across this ckt. from Elk & wondered if ayone else has tried to use it in their own ST set-up. Could do some interesting things using Rule Machine.

http://www.elkproducts.com/product-catalog/elk-930-doorbell-and-telephone-ring-detector

Or perhaps jury rig something using MIMOlite somehow?

http://www.fortrezz.com/index.php/products/mimolite

Find a phone that vibrates and use a multisensor