In this April 10, 2009, file photo Correctional Officer Jose Sandoval inspects one of the more than 2,000 cell phones confiscated from inmates at California State Prison, Solano in Vacaville, Calif. ... more 
In this April 10, 2009, file photo Correctional Officer Jose Sandoval inspects one of the more than 2,000 cell phones confiscated from inmates at California State Prison, Solano in Vacaville, Calif. California prison officials are preparing to test a system that would capture every cell phone signal from a prison and block unauthorized calls. less 
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Associated Press | Photo By Rich Pedroncelli, file
Mon, Feb 14, 2011 5:45 AM EST