I've set up something similar to this on my Asterisk server. I prompt callers not on my whitelist to respond to: "Tell me, what is 2 plus 5?", and parse the res

I've set up something similar to this on my Asterisk server. I prompt callers not on my whitelist to respond to: "Tell me, what is 2 plus 5?", and parse the response with Google Cloud voice to text (7 is a good response as it is reliably parsed). For the motivated, it's a short weekend project.