Joiwo supplied anti-vandal prison telephones for a state correctional facility communication project in the United States. Installed in inmate housing units, public communication areas, and secure operational zones, the telephones provide stable and secure communication for correctional environments.
Featuring a vandal-resistant stainless steel enclosure, tamper-proof design, and dependable voice performance, the telephones are engineered for intensive daily operation. The solution improves communication efficiency, reduces maintenance costs, and supports the safe management of modern prison communication systems.





