Block Private Number inBlackberry with SmrtGuard

A time may you ever felt annoyed by the number of calls from people you do not know, worse if they had used Private Number so that you can only guess who's calling. Now, with an application named SmrtGuard Blackberry, you can block these calls are not important even though a private number, so you will not be disturbed again by telephone that are not important. SmrtGuard application for