The profits are insane.
Look at what the phone company makes on a call from a prison.
By the way, where the hell are inmates getting $320 a month to spend?
http://www.washingtonpost.com/business/technology/fcc-approv...
Do note that the reason many of these costs were so high is because government agencies make money on them too.
Family. They probably don't send that much, I know someone who sends his brother in prison about $100 a month.
People from the outside can add money to the account.
The profits are insane.
Look at what the phone company makes on a call from a prison.
By the way, where the hell are inmates getting $320 a month to spend?