Can I configure my Android Phone to block certain numbers calls? Possible Duplicate:
  How can I reliably screen or block callers on a number-by-number basis?  




I'm receiving calls from call-center companies that wan't to offer me services that I don't want. I already ask them to stop calling but they keep trying.. Can I configure my 2.2 Android Phone(Galaxy 551) to block the incomming calls from certain numbers?
I am not sure about an option in the system itself but the app mr number will do that for you: 
The lifehacker article talks about the app http://lifehacker.com/5648876/call-block-unlimited-automates-call-blocking-and-routing-on-android-phones