HOW TO IDENTIFY A PRIVATE NO I.D NUMBER

This helps you to identify sombody who will always hide his number when calling but you have his/her number in your phone book.

>>>Goto phone book and press Ok/yes. Scroll to assign "Tone" and press Ok.
>>>Select the person's name in your phone book and press ok. After then whenever the person uses his/her handset to make no I.D call, the type of ringing tone will indicate the persons call.