The non-profit Prison Policy Initiative does a lot of research on these issues and petitions the FCC for changes. This page summarizes a lot of their efforts (h

The non-profit Prison Policy Initiative does a lot of research on these issues and petitions the FCC for changes. This page summarizes a lot of their efforts (http://www.prisonpolicy.org/phones/#price http://www.prisonpolicy.org/phones/#price). Their other publications are available at http://www.prisonpolicy.org/reports.html http://www.prisonpolicy.org/reports.html