
True caller is an application on smartphone platform that is use to monitor, blacklist,and reveal a caller identity.
So when you have a private number calling, or you want to monitor your spouse, or you want to blacklist/block a troublesome caller, you just download this app on your smartphone and enjoy. As for does using android, Blackberry, I phone and windows phone goto your app store and search for true caller for does using Symbian follow this link https://drive.google.com/file/d/0BwDchKk6PXc-ZGtOYW9FblM3RDA/view?usp=sharing . Thanks for your time...