With federal inmate texting, messages are relayed thru the federal Corrlinks/TRULINCS gadget

https://inmatechat854.clarionvale.com/posts/how-to-pick-the-best-federal-inmate-text-app-for-secure-communication

With federal inmate texting, messages are relayed as a result of the federal Corrlinks/TRULINCS system, and replies can go back to the outdoors person as established text messages.