HOW YOU CAN STOP AN INCOMING CALL FROM SHOWING AS PRIVATE CALLS NUMBER ON BLACKBERRY

In doing this it is easy you only have to flow the step  for it to work effectively
you will have to  Press the call button.then after doing that you
 have to look button it look green in your  telephone receiver.

after locating the green button you now have to Press the "BlackBerry" button.and then  Highlight and select "Options."
you will have to chose the  "General Options" or "In-Call Settings."it all depend on the type of blackberry you are using
note: the option to restrict your phone number for outgoing calls will be in one of the two menus.

don't forget to Set "Restrict My Identity" to "Always." Navigate to the "Restrict My Identity" option and
also change the drop-down menu to "Always." This will prevent your phone number from appearing on outgoing phone calls
now you are good to go