With federal inmate texting, messages are relayed simply by the federal Corrlinks/TRULINCS components

https://inmatemessageapp974.juniperbrief.com/posts/how-a-federal-inmate-text-app-makes-communication-easier-for-families-2

With federal inmate texting, messages are relayed through the federal Corrlinks/TRULINCS approach, and replies can return to the open air consumer as commonplace text messages.