I answered because I thought it might be about a job. Call said "This is Joe," and hung up. I decided to give Joe a taste of his own medicine and called back repeatedly. Finally an automated voice answered and said something about a "Career Advising Center."
They are calling to get you to say the word YES.
Can you hear me ..is what they ask. When you say yes they have recorded you to use your voice to hack you. Beware