Sometimes the inmates are unable to use the phone. It might be a group or individual punishment that is only temporary. If you go too long without hearing from him, you might try calling the facility and ask to speak with the case manager, counselor or unit team secretary to get more information.
https://www.inmateaid.com/ask-the-inmate/my-brother-always-faithfully-calls-me-didn-t-call-me-today-what-could-be-the#answer
Accepted Answer Date Created: March 25,2016