The economics don’t work for StatPhone either but I figured if it has value, I can find other ways to make money or bring down costs.
The biggest benefit for me with StatPhone is the incoming callerID is the StatPhone number. So even if the kid's school is calling from a random number, on your phone it shows the StatPhone number and you know its a call pertains to your child.
Also grouped escalation, so if my father calls in an emergency, the kids get called first and then the in laws and our uncle.