called my cell phone on 7-2-15 at 2:12pm. I didn't know the number so I did not answer, and they left no message. Probably telemarketers like some other people on here said.
Leaves a message beginning with "Attention this is not a sales call! You have been referred..." before my answering machine outgoing message cuts in and it turns off. Sounds like the security system scammer to me. Leave your answering machine on. They should eventually leave you alone if you don't pick up. They need to talk to someone to do their scam.