But the caller ID sign says 'No Caller ID'. You ignore it. The call comes again a few minutes later, so you ignore it. Another few minutes later, 'No Caller ID' calls again, you get annoyed, but you ignore it. Again, it calls, but this time, you answer it.
You would probably greet in a pretty annoyed tone.
A soft voice talks. "Oh? I don't want an attitude like that around Equestria."