It's a pre-recorded message for online college courses.
If you call the number back, sit through the brief message and about 30 seconds of hold music until you get to message that starts listing numbers to key in, opt out is press 4, it acknowledges that you have selected to be added to the "do not call list" and hangs up on you. This all takes about a minute or two and you never have to speak to an actual operator.  Now let's hope that worked and they never call this number again, as they are annoying.

these guys r idiots

I keep getting calls from this robo dialer.  First the display says "Degreematch"   I finally picked up the phone and the number showing on my display was 971-238-5006.  The man spoke broken English.  He was calling because they detected errors on my computer.  I interrupted him and said:  "Do you know you're calling a Business, and we have our own Firewalls, and DDos protection, not to mention an entire IT Department"   He quickly hung up.   REPORT these scams.  Foreigners trying to hack American's with computers..

Don't know it. Nor am I interested.

Keep getting calls, no messages, but they don't hang up immediately when my voicemail kicks in, and all I hear is a TV going, and breathing. Creepy.