- Jail/Prison/Patient/Visitation/Public Phone - Constructed of durable 14-gauge stainless steel - Large, stainless steel ADA keypad, Adjustable volume button - Large customizable instruction card area - Tamper-resistant locking system - Built-in mounting plate designed for fast, easy installation. Also includes a gasket that prevents moisture from entering the phone - Oversized line-wire entrance hole w/ moisture moisture-preventing gasket - Handset cord retaining bracket is designed for fast, easy handset changes - Stainless grommet provides added security for the handset cord - Adjustable handset cord lengths. Armored cord is made to Bell Core standards and withstands a minimum 1000 lb pulling test - Levered hookswitch