• Tel: 0086-755-27322952
  • Fax: 0086-755-27322197

What Technical Issues Should Be Considered In Prison Phone Systems?

Nov 1, 2023

When considering the technical aspects of prison phone systems, several key issues should be taken into account. These issues relate to the functionality, reliability, and security of the system. Here are some technical considerations: 1.Call Quality: The phone system should provide clear and reliable call quality to ensure effective communication between inmates and their contacts. […]

Read More

What Technical Problems Should Be Considered In Subway Public Telephone System

Oct 8, 2023

When designing and implementing a public telephone system in a subway, several technical problems should be considered to ensure reliable and efficient communication. Here are some common technical challenges specific to subway public telephone systems: 1. Signal Interference: Subways are typically located underground, which can introduce challenges related to signal interference. The presence of concrete […]

Read More

Campus Broadcast Communication: The Versatile Application Of Public Address Systems

Sep 4, 2023

Introduction In the fast-paced and dynamic environment of a campus, effective communication plays a vital role in fostering a productive and safe learning environment. One powerful tool that facilitates seamless communication across the campus is the Public Address (PA) system. As a leading communication equipment manufacturer, we recognize the significance of PA systems in educational […]

Read More

J&R Emergency Hands-Free Elevator Intercom

Aug 16, 2023

The emergency intercom is a key component of elevators. In case of power failure, sudden stoppage of operation, or other emergencies, elevator passengers can rely on the intercom to contact the outside world, and maintenance personnel can also use the elevator intercom to realize multi-party communication between the monitoring center or the duty room, the […]

Read More

Telephone Acoustic Hoods

Jul 31, 2023

Telephone acoustic hoods are one of the common public facilities in people’s lives, and sound insulation materials play an essential role in telephone booths. Three principles of soundproofing material mainly includes three aspects: sound absorption, reflection, and isolation.   Sound absorption refers to the conversion of sound wave energy into other forms of energy for consumption. […]

Read More

Top Telephone Manufacturer

J&R Technology is the leading manufacturer and designer of telephone solutions for customers around the world. Our production includes telephone sets, and their peripherals and core components.

ENQUIRY NOW