How Do You Unblock Private Calls on Your Cell Phone With Alltel as Your Carrier?

I have received a few "private caller" harassing phone calls that I would like to find out exactly who it is. I am aware that I can go to the police station and get a subpoena, but I am more interested in something like Trapcall but it doesn't currently support Alltel service. Anyone know of something else that will unblock private calls and display the real phone number? I anticipate more private calls in the future and may need the real phone number as proof at a later date. I appreciate any help/ideas!! Oh, and, I have a Blackberry Curve 8330 if that helps. Thanks!

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I am not very familiar with the program you mentioned, so I can not comment on that. I can comment on the fact that you will not be able to find out through your phone company even with a Subopena who is calling you from a restricted number. I work for a Police Department and we are not able to find that kind of information out on any cell phone provider we call at any time.

In The :

UK : Calltrap.co.uk
USA : Trapcall.com