I believe that if every person I'call see my information while I am calling them I don't think it is nesesary. It could be essy for Scam.and it very dangerous I am a person with lost weird experience and for that reason I am witch this service it very good for Hospital and Clinics where I am going to see them some time I can not even express my self becuse,I am suffering of asthma and pain.For my family it's convenient as well. Thank very much for this service.