When do they call back
Dealers? They will call. private party? If the car has sold they probably won't do you the courtesy of calling to tell you. But back to Dealers...if that is who you sent your inquiry to I am very surprised the have not called~~~even if the car you inquired about has sold they will call with "another car you will be interested in" ...once a salesman gets your number they will hound you until you are sick of it and tell then to stop. Check your number and make sure you didn't make a typo on your number, make sure it's the right number.
hijacked , probably china again! ham radio is the only way to go ,you'll see !