Rugged Wall Mounted Inmate Telephone With Volume Control Button-JWAT137

Short Description:

Are you looking for a highly reliable prison telephone communication system with vandal-proof intercoms and inmate telephones as a part of your Jail security solution?
Joiwo team is able to supply both standard and customized inmate telephone systems composed of a two-way conversation and public address broadcasts (PAGA system).

Joiwo Telephones featured vandal resistant, stainless steel material,high corrosion resistant, high mechanical strength and strong impact resistance.The primary function of communications is maintained at all times, resulting in a highly reliable product with a long MTBF.

With a professional R&D team in industrial public telecommunication filed since 2005 Year, Each vandal proof Telephone have been passed the FCC,CE international certificates.

Your first-choice provider of innovative communication solutions and competitive products  for the Prison communication.


Product Detail

Product Tags

Product Introduction

JWAT137 Vandal Resistant Public inmate telephone is designed to make a reliable prison telephone system communication.
The body of the telephone is made of SUS304 stainless steel(cold rolled steel optional), corrosion resistance and oxidation resistance, with high tensile handset which could afford 100kg force strength. Extremely Easy to install and adjust to wall.Easy to fix the housing and backplate through 4 screws.Equipped with tamper resistant security screws for added strength and durability..The cable entrance is on the back of the phone to prevent from artificial damage.Full zinc alloy keypad with Volume control button which could adjust the volume in the call.
Several versions are available, color customized,with keypad, without keypad and on request with additional function buttons.
Telephone parts is produced by self-made , every parts like keypad, cradle, handset could be customized.


1.Standard Analogue phone. Telephone line powered.
2.304 stainless steel material shell, high mechanical strength and strong impact resistance.
3.Vandal resistant handset with armored cord and grommet provides added security for handset cord.
4.Zinc alloy keypad with volume control button.Weather sealed tactile digital keypad.
5.Magnetic hook switch with reed switch.
6.Optional noise-canceling microphone available
7.Wall mounted, Simple installation.
8.Weather proof protection IP65.
9.Connection: RJ11 screw terminal pair cable.
10.Multiple color available.
11.Self-made telephone spare part available.
12. CE, FCC, RoHS, ISO9001 compliant


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The stainless steel phone can be used in a variety of applications such as in jails, hospitals, health center,guard room,platforms, dormitories, airports, control rooms, sally ports, campus, plant, gate and entryways, PREA phone,or waiting rooms etc.



Technical data

Power Supply

Telephone Line Powered


24--65 VDC

Standby Work Current


Frequency Response

250~3000 Hz

Ringer Volume


Corrosion Grade


Ambient Temperature


Anti-vandalism Level


Atmospheric Pressure


Relative Humidity




Dimension Drawing


Available Connector

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If you have any color request, let us know the Pantone color No.

Test machine

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85% spare parts are produced by our own factory and with matched test machines, we could confirm the function and standard directly.

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