definite scammer. check the BBB site for One Ring Missed Call phone scams.

Yeah I just received a call from them.  Exactly like you said.  No message.  I called back.  Same thing...

Called my number and did not leave a message. I tried to return call and it was hung up. Definitely a scammer out there. Someone should track where the call is coming from and go pay that a hole a visit. Break his knees.

This apparent scammer is just randomly calling folks all over the country.  Left no VMS.  This time they called an unlisted cell phone... which has not never been given out to anyone other than family, and never published in any correspondence or business dealings.  So there is no way I could have earned a "reward" using this phone as a reference.  Given the content of the previous posts, I will just block this number.  Thanks to all who post on 800notes.  

Hung up before I could get to the phone.  Now blocked. 704-981-2876