Robo-recorded call - gave me a spiel about how I'd won a Bahamas cruise and I just had to take a short survey. This is a classic old scam.
They rope you in with the promise of a cruise, tell you you have to pay a "tax" (the scam's iceberg tip-- if you win something, you win it, you don't pay for it) then they send you a ticket (but the catch is it's a companion ticket so you can't use it unless you pay the airline for a full-price ticket). And once they have you in Florida or wherever, before the cruise, you have to sit for an hours-long strongarm hard-sell pitch for timeshares, or they won't take care of your plane ticket back home.