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Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd.

2025-07-02

A Simple Guide to Wall Mounted Prison Telephone Features

Table of Contents

A Simple Guide to Wall Mounted Prison Telephone Features

A wall mounted prison telephone sits securely on the wall, giving inmates a safe way to talk with loved ones. Facilities rely on the vandal proof prison telephone to prevent damage. Some use a visitation prison telephone or an auto dial prison telephone for easy, controlled calls. Special features help keep everyone safe.

Wall Mounted Prison Telephone: Definition and Purpose

What Is a Wall Mounted Prison Telephone

A wall mounted prison telephone is a special phone made for use in jails and prisons. It attaches firmly to the wall, so it cannot be easily removed or damaged. The Correctional Center Telephone model JR201-FK-VC shows what makes these phones unique. They use strong stainless steel and have a weatherproof, shockproof design. The cables enter from the back, which helps stop tampering. These phones often come with armored cords and handsets that resist vandalism. They meet strict safety standards like CE, FCC, RoHS, and ISO9001. Many support both analog and SIP communication, and staff can program them remotely. This design keeps the phone working well, even in tough environments.

Main Role in Correctional Facilities

The main job of a wall mounted prison telephone is to let inmates talk to family and friends in a safe way. These phones help reduce the need for smuggled cell phones. They also help lower violence and support better contact with loved ones. Here are some ways these phones work in prisons:

  • Only approved numbers can be called, and inmates use PINs for access.
  • All calls are monitored and recorded by staff.
  • Inmates cannot get incoming calls.
  • The phones are part of prison reward systems, with rules for use and costs.
  • Security controls match those used on phones in common areas.

These phones help keep order and safety in prisons. They give inmates a way to stay in touch, but with strict controls to prevent misuse.

Key Features of Wall Mounted Prison Telephone

Key Features of Wall Mounted Prison Telephone

Durable Construction

A wall mounted prison telephone needs to last in tough places. Manufacturers use strong materials like cold-rolled steel and stainless steel. These phones can handle hard knocks and rough treatment. Many models have a waterproof rating of IP55 or higher, so water and dust cannot get inside. Some phones work in temperatures from -40°C to +70°C, which means they keep working in hot or cold weather. The phones also come with a warranty, often up to 18 months, showing that companies trust their durability.

Attribute Value Why It Matters
Material Cold-rolled steel, stainless steel Strong and vandal-proof
Waterproof/Dustproof Rating IP55, IP65 Keeps out water and dust
Operating Temperature Range -40°C to +70°C Works in extreme weather
MTBF (Mean Time Between Failures) 100,000 hours Very reliable
Warranty 18 months Manufacturer confidence

Tamper-Resistant Design

Prison phones must stop people from taking them apart or breaking them. Designers use tamper-resistant screws and special security hardware. Only staff with the right tools can open or move the phone. The cables enter from the back, so no one can pull them out or cut them easily. The armored handset cord has steel inside, making it hard to break or remove.

Tamper-resistant features help keep the phone safe and working, even if someone tries to damage it.

Security and Monitoring Capabilities

Security is a top priority for any wall mounted prison telephone. These phones let staff monitor and record every call. Inmates can only call approved numbers, and they need a PIN to use the phone. The system blocks incoming calls, so no one can reach inmates directly. Some phones connect to IP PBX systems, which help control and track calls. This setup helps stop illegal activity and keeps everyone safer.

Hands-Free or Handset Options

Some wall mounted prison telephones offer both hands-free and handset options. The hands-free model uses a built-in speaker and microphone. This design works well in high-traffic areas or where sharing a handset is not safe. The handset version comes with an armored cord and a strong bracket. Both types are easy to use and built to last.

Vandal-Resistant Materials

Manufacturers use tough materials to stop vandalism. The phone’s body often uses 304 stainless steel, which has high mechanical strength and resists impact. The handset has an armored cord and a grommet for extra security. These phones can handle temperatures from -30°C to +70°C and up to 95% humidity. They also meet strict anti-violence and safety rules for prisons.

Feature Description
Body Material 304 stainless steel, high impact resistance
Handset Protection Armored cord, grommet, vandal-resistant design
Protection Rating IP65 waterproof and dustproof
Corrosion Grade WF1, resists corrosion
Certifications CE, FCC, RoHS, ISO9001 compliant

Simple User Interface

A wall mounted prison telephone needs to be easy to use. The keypad uses large, clear buttons made from zinc-alloy, which do not wear out quickly. Some phones have Braille for visually impaired users. The display shows caller ID, the number dialed, and the call time. Volume control and noise filters help users hear better, even in noisy rooms.

Mounting and Installation Details

Mounting these phones takes special care. Installers use a backplate and tamper-resistant hardware. Only staff with a special tool can install or remove the phone. The phone can be surface or flush mounted, depending on the wall. The armored handset cord anchors inside the housing for extra security. Some models come with a stainless steel mounting box for added strength.

Feature/Aspect Details
Mounting Type Wall mount, surface or flush options
Security Hardware Tamper-resistant, special tool required
Handset Armored cord, steel lanyard, secure bracket
Installation Tools Security tool (e.g., 301-064)
Mounting Box Option Stainless steel mounting box available

Compliance with Safety Standards

Every wall mounted prison telephone must meet strict safety and quality standards. Most models carry certifications like CE, FCC, RoHS, and ISO9001. These labels show that the phone is safe, reliable, and built for harsh environments. Some phones also have lightning protection and magnetic reed hook-switches for extra safety.

Comparison to Standard Telephones

Wall mounted prison telephones stand out from regular phones in many ways. They use heavy-duty stainless steel instead of plastic. The armored cord and tamper-resistant screws make them much harder to damage. Standard phones do not have waterproof ratings or special security hardware. Prison phones also have features like call monitoring, PIN access, and outgoing call control. Regular phones usually lack these controls.

Feature Category Prison Telephone Standard Telephone
Material & Build Stainless steel, vandal-resistant Plastic or lighter materials
Security Hardware Tamper-resistant, special tools needed No special security hardware
Handset Cord Armored, steel lanyard Standard cord
Environmental Protection IP55/IP65 waterproof, dustproof No protection
Call Management Call monitoring, PIN access, control No call control or monitoring
User Interface Braille keypad, volume control, display Basic keypad, no display
Compliance CE, FCC, RoHS, ISO9001 Varies, often no certifications

Wall mounted prison telephones give correctional facilities the security, durability, and control they need. Standard phones just cannot match these features.


A wall mounted prison telephone gives inmates a safe way to call loved ones. These phones use strong, tamper-proof parts and simple controls. Correctional facilities choose these designs to lower risks, like self-harm or vandalism. Safety features, such as cordless options and secure mounting, help protect everyone inside.

FAQ

How do wall mounted prison telephones stop tampering?

Manufacturers use tamper-resistant screws and armored cords. Staff need special tools to open or move the phone. This design keeps the phone secure.

Can inmates receive calls on these phones?

No, inmates cannot get incoming calls. They can only make outgoing calls to approved numbers. This rule helps keep communication safe and controlled.

What makes these phones different from regular phones?

Prison phones use stainless steel, armored cords, and tamper-proof parts. Regular phones do not have these security features or call monitoring systems.

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