This call is coming in from Ohio Family Safety.  They are offering tickets for a "free" dinner at a restaurant not far from here.  The following is copied and pasted from their Facebook page.  This is what they are up to, which they will not tell you on the phone.
"Have you ever wanted to own your own company? We are hiring distributors for our American made home safety network! Omnishield protects your home from fire, flood and freeze and sends alerts to your mobile phone. Contact us today! Send us a private message or call us at 567-712-2536!"