According to Swedish radio, the trial is the largest in the history of the Örebro District Court.
A total of eleven people were charged, of which three were sentenced to prison.
One already had a prison sentence and will not receive a new one, five were acquitted and two received a suspended sentence.
The tangle of so-called vishing scams was revealed in 2019, according to P4 Örebro.
In total, hundreds of people, mainly the elderly, were defrauded of large sums over the phone.