Didn't recognize the number, let it go to Voice Mail. After 3 rings, caller hung up. Typical telemarketer's MO of leaving a missed call, so you call them back to legitimize your own number. Don't fall for it!
Must be a new spammer/scammer number. All the reports listed here are from today. Called my cell. Caller ID 'Unknown'. Didn't recognize the number. Didn't answer. They didn't leave a message.