Complete Fix Solution

HTC One X How to Block Private Numbers

I hate if take caller when using private number. Private number is calling to hide the Caller ID number.
Do you feel the same with me?? If so, I will try to share tips on how to unblock private number using the application. Droidmate Call Filter or commonly referred to as Call Filter where we can block incoming calls Private Number. The effect is any incoming call automatically Private Number then the call will be End Call us before the phone rang.

You can download hereI assume you have downloaded and installed the application Droidmate Call Filter / Call this filter. The steps to block private number on android is an open call filter:

Call Blacklist Filters ► ► ► Block Private Number Option ► End Call + SMS Block ► Save