This anti-vandal inmate telephone is specially engineered for prisons, jails and correctional facilities. Featuring anti-ligature design to eliminate ligature risks, the rugged metal structure resists impact, tampering and deliberate damage. It delivers stable, clear voice transmission for supervised inmate calls. Panel mount installation saves space. We support OEM and ODM service: custom keypad, logo, wiring and function settings to match your system requirements. Suitable for detention centers, correctional institutions and other high-security confined environments.