Emergency prison corridor inmate telephone with keypad and metal mounting bracket.

Secure armored inmate telephone with keypad and handset for prison corridor communication. Durable design for secure, reliable inmate calls in correctional facilities.

Secure armored inmate telephone mounted on prison corridor wall, featuring keypad for inmate communication. Designed for safety and durability in correctional facilities.

Armored inmate telephone mounted on prison corridor wall with keypad and handset for secure communication. Designed for correctional facilities to ensure safety and controlled inmate calls.

Vandal Proof Landline Wall Phone for Prison Corridor JWAT137D

The JWAT137D vandal-proof public jail landline wall phone is a robust and secure communication device designed for correctional facilities. It is constructed from SUS304 stainless steel or cold-rolled steel, providing excellent corrosion and rust resistance. The phone’s panel includes a windowed instruction card for easy note-taking, a secure backplate with a cable entrance to prevent tampering, and a full zinc-alloy keypad with volume control for convenient operation. Ningbo Joiwo manufactures all key components in-house—such as the keypad, cradle, and handset—allowing for complete customization to meet specific needs.

Widely used in：

MARINE ENVIRONMENT

HIGHWAY SHOULDER

SUBWAY STATION

TUNNEL

UNDERGROUND FACILITY

RAILWAY PLATFORM

MINING SITE

OTHERS

KEY FEATURES

1. Standard analogue telephone powered by a telephone line.
2. Constructed with a 304 stainless steel shell for high mechanical strength and excellent impact resistance.
3. Vandal-resistant handset equipped with an armored cord and grommet to enhance handset cord security.
4. Zinc alloy keypad featuring a volume control button and a weather-sealed tactile digital keypad.
5. Magnetic hook switch incorporated with a reed switch.
6. Optional noise-canceling microphone available.
7. Wall-mounted design for easy installation.
8. Weatherproof protection rated at IP65.
9. Connection via RJ11 screw terminal pair cable.
10. Available in multiple colors.
11. Self-manufactured telephone spare parts available.
12. Compliant with CE, FCC, RoHS, and ISO9001 standards.

Power Supply	Telephone Line Powered
Voltage	DC48V
Standby Work Current	≤1mA
Frequency Response	250～3000 Hz
Ringer Volume	＞80dB(A)
Corrosion Grade	WF1
Ambient Temperature	-40～+70℃
Atmospheric Pressure	80～110KPa
Relative Humidity	≤95%
Anti-vandalism Level	IK10
Installation	Wall-mounted

DIMENSIONS

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PACKAGE

Each telephone is thoughtfully packaged to ensure safe delivery, with shock-absorbing internal materials that protect the device and a durable, shipment-ready carton built to withstand long-distance transport and storage. Accessories and components are carefully organized for easy unpacking and efficient on-site installation. For large orders or private-label programs, Joiwo offers customizable packaging solutions, including branded labeling, personalized designs, and palletized shipping, tailored to meet the unique requirements of any project.

Unit Size:	287.5136.575MM
Unit Box Size:	330150150MM
Unit Net Weight:	3KG
Carton Gross Weight	3.5KG

Armored inmate telephone device inside a cardboard box, designed for secure communication in prison corridors. Ideal for correctional facilities requiring durable, tamper-proof communication systems.

FREQUENTLY ASKED QUESTIONS

1. What makes a prison or industrial telephone different from a regular telephone?

Industrial and prison telephones are designed for high-security and high-durability environments. They feature vandal-resistant materials, tamper-proof designs, reinforced cords, and are often weatherproof for indoor or outdoor use.

2. Are these telephones weatherproof and dustproof?

Yes. Most models meet IP54 or higher standards, offering protection against dust, water, and harsh environmental conditions. Some can even withstand extreme temperatures and corrosive environments.

3. Can the telephone be integrated into a larger communication system?

Absolutely. These phones can be integrated with emergency communication systems, IP PBX, PAGA systems, control rooms, and other unified network solutions. Custom OEM features can also be added.

4. Are the handsets vandal-resistant?

Yes. Handsets are typically reinforced with steel cords or internal lanyards and made of high-strength materials to prevent tampering or damage.

5. What installation options are available?

These telephones are generally wall-mounted for stability and security. Installation is simple, with all accessories clearly labeled. Some models support flush-mounting or surface-mounting for added protection.

6. What certifications do these telephones have?

Quality and compliance are ensured with certifications such as CE, FCC, RoHS, and ISO9001, depending on the manufacturer.

Built for durability and reliability, this stainless steel telephone offers robust, vandal-resistant performance even in the most demanding environments. Its sturdy design can endure heavy use and extreme conditions, making it well-suited for correctional facilities, hospitals, industrial plants, offshore platforms, airports, schools, and other high-traffic or security-sensitive locations. Ideal for PREA-compliant areas or public spaces, it guarantees dependable, uninterrupted communication when toughness and reliability are essential.

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Joiwo provides a complete Jail communication solution designed for high-security environments, enabling controlled inmate communication, accurate identity management, and centralized supervision.

System Architecture

Analog & IP Supported

Analog prison telephone system

IP / SIP-based prison communication system

Flexible deployment and easy system upgrade

Core Modules

Inmate Telephone System	Controlled calling, call monitoring, and recording
Inmate Identification	IC card, fingerprint, or multi-factor authentication
Billing & Consumption Management	Call billing, prepaid/postpaid accounts, POS consumption
Internal Communication & Emergency	Intercom, emergency calls, PA and alarm integration
Centralized Management Platform	Unified monitoring, reports, and audit logs
Video & Digital Communication	Video visitation and secure messaging
Signal Control & Security Management	Managed access and unauthorized mobile prevention

Applicable to:

Prisons, detention centers, and high-security correctional facilities

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