 But in the past few years, there's been a growing movement to make these calls less expensive. Since 2021, at least five states have passed laws making prison phone calls free for prisoners and their families. Although Diane's son, Javon, got out of prison years ago, nowadays she's working with advocates like Bianca to raise awareness around this issue. She hopes she can help others who have loved ones in lockup. Darian Woods, Adrian Ma, NPR News.