You must be thinking that I am so after crank callers, but to be honestly speaking, every other day new things come up and I do not like the new discoveries to be restricted to me. So folks! Here is the new idea! (Though for this you should have Nokia S60 series cell phone)
Search for “Inter Active Voice Call Manager”, the handy software, on website:www.dotsis.com, download it, and install it on your cell. Now, using the software, you can add the numbers of crank callers on the black list. The members of black list can easily be ignored now because if they dial on your cell again, depending on the option you have selected, they will either be listening to the continuous beep sound indicating that the cell is in use, even when it is not, or the message that the phone is powered off when you might be talking to someone else! What do you say? Isn’t it cool?!