Thanks for the insight. i've just received a very similar call and have had numerous others recently with the same pattern. And i suspected there was a voice recognition aspect to it.
Technology. Making our lives more and more annoying with each passing day.
Some telemarketer SCAMMERS will COPY and PASTE your affirmative answers and make a recording of your call appear that you agreed to their terms and that's what I suspected with this caller. After I realized it was a voice recognition system, I realized that "YES" is the keyword so it knows to go on to the next question.
SCAM!!!
Voicemail from (360) 861-4623
"Internal Revenue Service. The reason of this call is to inform you that the IRS is filing a lawsuit against you to get more information about this case file. Please call immediately on our department number 360-861-4623. I repeat 36086146233. Thank you."