An unscheduled call that rings on my phone fails the conversational Turing test: it's almost certainly junk, so I ignore it.

来安排。一个未经预约就打到我手机上的电话通过不了对话图灵测试(conversational Turing test)：这个电话几乎肯定是垃圾电话，因此我忽略它。