Nice. I do something similar with my call flow. That "Turing test" for numbers not in your contacts list has been very useful to me. Mine is more complex (because I could) but yours has the important functions.
I did move away from the Goodies due to a delay factor while the processor figures out if the call is a fax call. What I do instead is have the Press Key have an unannounced option that leads to a Fax control. If somebody wants to send me a fax, I would have them block caller ID and then choose the special fax touchtone. Then press Start on the fax machine. It hasn't happened yet, but I had fun thinking it through.
Until I saw that you had attached that *.anv file, I did not know that we could do attachments. I also had not thought about importing an *.anv file to view it. Since that does not affect your actual call action unless you assign that call flow to your number, it does not change things unexpectedly.
I recommend others take a look. To assign a call flow to a number, click Phone Numbers -> Manage Phone Numbers ->Edit->Call Options. That would be done after making changes for your own choices.