A certain wide variety used for federal inmate texting may also switch to any provider after the inmate is launched from federal
https://inmatecommunication228.overblog.fr/2026/10/how-to-pick-the-best-federal-inmate-text-app-for-secure-communication.html
A different variety used for federal inmate texting can even transfer to any provider after the inmate is published from federal jail, in accordance with service claims.