Call rang only once, and call dropped. When called back, automated machine stated that it was call for survey, but did not say survey of what, and that it, the survey, had ended.
I think it's scammer calling to check if the number is real or not,
Received call from 404 900-7972 claiming I had won a free cruise to the Bahamas if I would participate in a Green Energy Survey. Started the survey but hung up realizing it was probably a scam