I maintain Oathra , an open-source runtime for AI agents that make phone calls. Its one opinion is that the model does not get to decide whether the call succeeded. A separate piece of code reads the other party's words and decides. That sounds like belt and braces until you look at what clerks actually say. Here are five replies to the same request. Only one of them is a booking. A model asked "did this succeed?" says yes to at least four, because all five sound like a yes. The req...