If you answer and say nothing the call automatically disconnects after 20 or 30 seconds.  If you say hello, a legitimate sounding voice says Can you hear me? then a few words saying that she needed to adjust her headset.  From then on you get a dialogue about how you recently visited one of their resorts and as a result have won a free cruise.  You cannot interrupt and ask what resort, who she is  or anything. -- It is all a recorded robo-call timed so that any response you make in the first 5 second or so triggers the next canned reply.  If you continue to listen you are given the option of talking to a person for the details or having yourself deleted from their call list.  If you press the number to be deleted from their list, you will continue to get calls.  If you press the number to talk to someone you actually get a human being who will hang up on you if you ask to be deleted from their list or any other question about who these folks are.  This is a scam.  If you call back the number displayed on f your caller id (303-832-9034) you get a recording telling you to press 9 if you wish to be taken off of their list.  I've done this five times times now over the past 30 days to no avail.  Wish there was some way to end this crap!!!