This is a great idea. Waste the spammer's time and it's no longer worth it. The phone version of this is Lenny[0], a set of audio files/Asterisk script which pretends to be a senile, doddering old man (who has a duck problem). There's a reddit user who runs a number you can forward your sales calls to, and he'll pick out the best ones and put on YouTube[1]. The record is keeping a caller on the phone for 56 minutes.…
Edit: I love his ducks