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Inmate-to-inmate telephone calls are not only illegal, they’re dangerous. Inmates can use them to plot crimes with gang members, plan disruptions at facilities, or subvert trial testimony. Called parties and inmates use bridges and speakerphones to make these calls.

ICER™, the Inmate Intercommunication Evaluation and Reporting System, detects inmate-to-inmate telephone calls. It finds these calls whether the inmates are within a facility or in different facilities across the country. ICER automatically logs every inmate-to-inmate call that occurs and sends email alerts to investigators.

ICER is now installed at more than 1,100 sites in the United States. It provides these benefits to correctional facilities:

  • ICER detects all inmate-to-inmate calls no matter how they happen.
  • Calls are detected within and between facilities.
  • Investigators at the call sites receive ICER alerts with inmate names, locations, and called numbers.
  • Facilities never need to transmit audio files.
  • Each facility decides whether to share details about the calls and inmates with other facilities.


Learn how to get ICER for your facility