A federal appeals court has upheld the conviction and the seven-year prison sentence of a Lawrence man who was found guilty for making bomb threats against schools in Douglas County in April 2007.

A decision filed Tuesday from the 10th Circuit of the U.S. Court of Appeals denied arguments from Michael E. Parker, 48, that the jury’s verdicts were based on insufficient evidence and that a federal district court judge incorrectly administered his sentence.

A federal jury in Kansas City, Kan., in 2007 convicted Parker of two counts of using a cell phone to convey false information about alleged attempts to blow up certain buildings in Douglas County.

Parker had called 911 several times that morning and mentioned blowing up a “school” and “city hall,” causing law enforcement officers to put schools on alert. Thousands of students left school early that day.

Police had traced the cell phone calls to Parker’s apartment, but he denied that it was his voice on the phone. However, the appellate court ruled there was ample evidence to tie Parker to the phone, including because police found it in his recliner