“Although the myth of the ‘one phone call’ has long held a place in the American imagination, the reality of communicating with family during a long-term prison stay hardly makes for the stuff of movies. To prisoners and their relations, calls are a vital connection to home. For facility operators, they’ve long been considered security holes, a means for inmates to coordinate crimes with the outside. And for inmate phone companies, along with state and local governments, the system is a lucrative business opportunity.”