I have received these same type of calls and it is a scam. I was able to get them to leave me alone by telling that I reported this to the Federal trade commision and the local police department. I did this and also had a friend who is a attorney call them and let them know this is illegal and that they will be found and charged if they continue to call and harrass me. They have not called me since. they will continue to call you unless you stand up to them and let them know that you will not fall for their scam. Do not stress over this and know that they cannot and will not have you arrested as they are the ones breaking the la
I did answer the phone when they kept calling and just informed them that I had spoken to law enforcement and was letting my place of employment know that this was happening so they could pursue harrasment charges as well. As soon as they found out that they were not getting money from me and that I reported them, they stopped calling and it has been a week and nothing has happened to me.