Provides inmate telephone service in prisons. Inmates may make telephone calls ONLY to those individuals on the inmate's approved telephone calling list who have agreed to accept the inmate's calls while incarcerated. Inmate telephone calls may be paid for through one of the following three options: 1.) The inmate places a collect call that the receiver pays 2.) The receiver prepays for the collect call at a discounted rate and 3.) The inmate prepays for the collect calls that he/she makes. Also offers a means by which individuals may restrict calls from all Ohio prisons or from a specific inmate.