Playing back a message when you hear someone pick up? No, they've been doing that forever. But trying to determine whether you have a human on the line or just their voicemail recording? That's something that could start to require more sophisticated language models, and the fact that the message didn't just start rattling something off as soon as something picked up suggests maybe they're using it. Actual phone scams using AI? Well, if they're not doing it yet, they will be soon.