Mine also do not know who it is and no messages.

I don't owe money to anyone so I don't answer this.  Never heard of them before.

They call my husbands work cell phone 5 times a day!  He has told them every single time that they need to cease and desist calling on  his work phone.  He's given them my cell # yet they haven't called me once!  I am sending them a written C&D and will be filing a claim.  I have  no idea who they are or what they are calling for.  If they would just call MY cell phone I would talk to them but since they have no desire to do so then I'll be filing against them!!!

Asked for an employee at my work told them he wasnt allowed to take personal calls

"nice" sounding guy called here for somebody I have never heard of took a few min to get it through to him that I do no have any idea who hes talking about...