If the system you are incarcerated in using a "phone bill verification" to approve calls, then it would be in effect throughout their entire system not matter the facility's custody status. If you use our service, the receipt and transfer emails serves that proof.
https://www.inmateaid.com/ask-the-inmate/if-you-are-at-a-work-camp-do-you-still-have-to-send-in-a-cell-phone-bill-and-be-approved-for-phone-calls-or-can-the-inmate-turn-in-the-phone-list-and-wait-for-the-list-to-be-approved#answer
Accepted Answer Date Created: November 05,2017