I answered but there was no voice on the other end. Maybe this is a robo-call to see who picks up, so as to improve the efficiency of future robocalls.
Other
Recent comments:
1
Jul 1, 2015
Scam Robo Caller
Other
2
Jul 1, 2015
Called and and hung up when I answered.
Other
3
Jul 1, 2015
Didn't answer.
Other
4
Jul 1, 2015
Didn't answer either. Judging from how quickly these posts are going, it's got to be a scam.