In most facilities the money that goes into an inmate's trust account can be designated for commissary and telephone calls. When you are sending money, there are no ways to specify what you want them to spend it on. If you set up a phone account, that money will only be for the phone calls to you.
https://www.inmateaid.com/ask-the-inmate/do-you-have-to-specify-what-the-money-you-send-an-inamte-is-for#answer
Accepted Answer Date Created: February 27,2016