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.
Vandal Proof Wallmounted Telephone Phone for Secured Prison Telephone Systems
Designed for extreme durability in high-risk and demanding prison environments, this vndal proof landline wall phone offers reliable, straightforward communication combined with heavy-duty physical protection. The following features ensure long-lasting performance and ease of use:
- Core Operation & Connectivity: This unit operates as a standard analogue telephone that is fully powered by the telephone line, requiring no additional external power sources. It connects using a standard RJ11 screw terminal pair cable.
- Rugged Construction: The outer shell is constructed from heavy-duty 304 stainless steel, providing high mechanical strength, excellent impact resistance, and an IP65 weatherproof rating.
- Secure Audio Hardware: It features a highly vandal-resistant handset equipped with a robust armored cord and a securing grommet to prevent tampering or cord extraction. For noisy environments, an optional noise-canceling microphone is available.
- Durable Interface: The phone is equipped with a weather-sealed, tactile zinc alloy digital keypad that includes a convenient built-in volume control button. Additionally, it utilizes a wear-free magnetic hook switch incorporated with a highly dependable reed switch.
- Installation & Maintenance: The straightforward wall-mounted design allows for quick and easy installation. To support long-term operation, self-manufactured telephone spare parts are readily available directly from the factory.
- Customization & Compliance: Buyers can choose from multiple color options to match specific facility aesthetics or safety requirements. Furthermore, the unit is fully compliant with CE, FCC, RoHS, and ISO9001 quality and safety 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 |

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: | 287.5*136.5*75MM |
| Unit Box Size: | 330*150*150MM |
| Unit Net Weight: | 3KG |
| Carton Gross Weight | 3.5KG |

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.

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






