With federal inmate texting, messages are relayed as a result of the federal Corrlinks/TRULINCS formula

https://prisonertextservice533.ironwoodscope.com/posts/best-inmate-text-app-for-federal-prison-communication-what-to-know-2

With federal inmate texting, messages are relayed by way of the federal Corrlinks/TRULINCS gadget, and replies can return to the open air user as natural text messages.