Audio security is emerging as a critical component of modern physical security systems. This article explains how audio enables real-time response, improves situational awareness, and strengthens cybersecurity. From IP-based intercoms to large-scale public address systems, discover why sound is taking center stage.
From the Blog
Operational Technology Security: The Hidden Weak Spot
As buildings and critical infrastructure become more connected, OT systems like intercoms, CCTV, and access controls face growing cybersecurity risks. This guide breaks down why OT security matters, the biggest threats, key trends, and actionable best practices.
The Role of High-Quality Audio and Video in Multi-Tenant Buildings
The physical security of a building starts with the entry and exit points.
A Unified Approach to Communication Systems: Including Public Address and Voice Alarm
This article explores how Unified Communication Systems are transforming communication in critical environments. By integrating PA, VA, intercom, and mobile radio technologies, organizations can meet growing demands for compliance, streamline emergency response, and future-proof their operations.
How School Intercom Systems Create a Safer Learning Experience in K-12 Schools
School safety depends on more than cameras and card readers. This article outlines how audio-enabled school intercom systems provide the missing link in K-12 security strategies, enabling real-time two-way communication that supports safer access management and creates a more secure environment for students and staff.
Critical Communication Solutions That Meet the Middle East’s Growing Demands
This interview with Chenguttuvan Tamilarasan highlights how Zenitel is advancing critical communication in the Middle East. From collaboration with consultants and integrators to delivering solutions that meet high cybersecurity demands, the conversation offers a deep dive into what it takes to maintain operational safety and real-time communication in critical infrastructure across the region.
The Critical Role of Cybersecurity in Fire Safety Voice Communication
Cybersecurity in fire safety has become a critical concern for infrastructure owners, especially in high-risk environments.
3 Cs of Audio Quality: Designing Intercoms for Real-World Noise
Audio quality of building intercoms is a critical factor for conveying accurate information and avoiding misunderstandings or misinterpretations. It relies on three key elements: Crisp, Clear, and Concise.
Zenitel helps streamlining operations at Pontedera Hospital
Zenitel has delivered a unified audio platform that manages all critical communication needs under one umbrella. Using a single operator telephone, the hospital security personnel are now able to manage operational, security, and safety communications.
Building a scalable Public Address solution with Zenitel
Zenitel’s Scalable Public Address Solutions combine 100V line systems with IP speakers to deliver cost-effective, high-performance audio for projects of any size. By leveraging the benefits of both technologies, Zenitel ensures clear, reliable communication in large, medium, and small zones while maintaining flexibility and efficiency.
Interactive Perimeter Protection: Redefining Security with Zenitel IP Speakers
Zenitel’s IP Speakers for Perimeter Protection enhance security by enabling real-time, interactive communication. These intelligent speakers deter intruders with live or automated warnings and allow security teams to respond instantly. Seamlessly integrating with surveillance and access control systems, they transform perimeter protection from reactive to proactive, ensuring a safer and more responsive security strategy.
Superior Public Address (PA) seamlessly unified within a UCC Platform
Discover how Zenitel's unified approach to Public Address (PA) is transforming the safety and security industry. Our Unified PA represents a holistic method of delivering critical communication services to our customers, enabling them to shift from siloed communication to interactive communication.
Østfold Hospital Kalnes
Zenitel’s helps keeping people and asset safe, secure, and informed. We are proud to see our solutions meeting critical communication needs to a hospital that is busy serving a thriving community in Kalnes, Norway.
The Benefits of a Unified Critical Communication platform
In today’s risk environment, a robust security and communication system is critical for any business to operate. Security technology is needed, due to the number of sophisticated risks that security teams face each day. Every area of a facility, inside and out, including doors, rooms and open spaces, and the fence-line at a perimeter, is necessary to successfully operate a business and keep employees, visitors, and vendors safe and secure.
Why you should upgrade your PAVA system with Zenitel
Upgrade your PAVA system with Zenitel to enhance performance, reliability, and compliance while future-proofing your investment. Zenitel’s phased upgrade approach ensures minimal downtime and cost efficiency, offering scalable solutions tailored to your facility's needs.
Lifecycle cost of a public address and voice alarm (PAVA) system
For the cost of a Public Address and Voice Alarm (PAVA) system, understanding whole life costs is critical to making informed decisions at the time of selecting the solution. Especially as PAVA systems needs to be in operation 24/7 and are typically required to last 10-15 years.
A Sustainable Public Address and Voice Alarm Solution
Zenitel is committed to environmental impact and supporting customers' sustainability goals. In 2024, the company received the Ecovadis Silver Sustainability Rating, ranking in the top 15% of companies. This article highlights the durability and effectiveness of Zenitel's PAVA solutions.
Importance of Public Address and Voice Alarm solutions
Research has shown that verbal messages elicit responses more than five times faster than traditional bells and sounds. By combining Fire Detection and Voice Alarm systems, emergency responses can be seamlessly automated. This shows the importance of Public Address and Voice Alarm solutions.
10 Reasons to consider Video Intercoms
Communication involves the connected relationship of several of our senses: the sense of hearing, the sense of sight and seeing, the sense of smell, the sense of taste, and the sense of touch. Our video intercoms elevate this interaction with exceptional video, voice, and powerful audio amplification for clear announcements.
School and College Campus Security with Clear Communications
Campus safety and security refers to the measures taken by a school, college or university to ensure the safety of students, staff, and visitors.
ELCA ACS Srl: Experience and Expertise for Meeting Complex Communication Needs
Safety and security of naval, civil vessels, and offshore installations depend on the reliability of critical communication solutions. ELCA ACS Srl has gained extensive experience in delivering cutting-edge products tailored to the specific customer requirements in the maritime sector.
REDCAI upholds the highest standards in maritime navigation and communications
In harsh ocean environments, the safety and security of crew, passengers, and vessels are of paramount importance. REDCAI is committed to its customers in the maritime segment, offering them top-notch products at the best prices, along with synchronized installation.
3D MARINTEC Leading System Integrator in China
Reliable communications and uninterrupted operations of navigation and security systems are crucial for marine vessels, offshore and energy installations. This is where 3D MARINTEC comes in with great experience and expertise. The company is a well-known expert in the engineering, installation, commissioning, and maintenance of maritime and offshore electrical equipment solutions.
Videlio-FUNA reinforces communication systems for the cruise and luxury segment
The cruise industry is developing. Innovative technologies and new approaches are constantly being implemented. Providing passengers with increasingly entertaining and comfort features onboard, as well as to ensure safety and sustainability. And when it comes to creating cutting-edge systems for entertainment, communication, and lighting solutions, Videlio-FUNA is the best choice.
Beier Integrated Systems – together we deliver highest quality solutions for our customers
Beier Integrated Systems is a 77-year-old engineering and manufacturing company that provides integrated solutions to the marine industry. They are the oldest marine electronics company in the US and are up there among the companies with the largest footprint in the global marine industry.
Maritronics - another proud Zenitel Maritime & Energy Partner
Maritronics has not only been associated with the Maritime Industry but also with quality since its birth in 1980. From its early beginnings in the demanding marine electronics environment of the middle east region, its solutions and services are proven and well-renowned within maritime navigation, communication, and automation control systems.
Zenitel Maritime & Energy Partner Highlight - Comfour Brazil
Dear friends, Zenitel Maritime & Energy are launching a new series of interviews with our partners. The goal is to gain valuable insight into what is happening in our global markets. In our first piece, we give the floor to Belmiro Duarte, founder of Comfour in Brazil.
Aquaculture Vessel Communication Systems for Napier’s Innovative Well Boats
Napier, in close collaboration with Mowi, is reshaping aquaculture logistics with two new advanced aquaculture vessels. Designed by Salt Ship Design and built at Sefine Shipyard in Turkey, these 70-meter well boats are equipped with integrated aquaculture vessel communication systems from Zenitel.
Methanol-Powered Offshore Vessel with Zenitel Systems
The world’s first methanol-powered offshore vessel for subsea and wind operations is under construction — a collaboration between Eidesvik and Agalas that combines green propulsion with operational flexibility.
Nor-Shipping 2025: A Milestone for Maritime Innovation
Since 1965, Nor-Shipping has served as a defining arena for the global ocean industries. In 2025, the event celebrated its 60th anniversary with a record-breaking edition — confirming its position as a leading platform for innovation, dialogue, and global collaboration.
Intercom Supplier of the Year: Zenitel Wins for Third Year in a Row
For the third year in a row, Zenitel has been named Intercom Supplier of the Year by Baird Maritime’s Work Boat World. This recognition reflects not only product performance, but also the trust placed in Zenitel systems by shipbuilders, integrators, and vessel operators worldwide.
SPA-V2: MED-Certified PAGA System for EU Compliance and Global Best Practice
Zenitel’s proven and widely adopted Maritime PAGA System – SPA-V2 is now a MED certified PAGA system that has achieved full MED B and D type approval, confirming its compliance with the highest standards of design quality and manufacturing consistency.
Arctic Fishing Vessel Inuksuk II – Zenitel Systems Supporting Operations
The Inuksuk II, an advanced Arctic fishing vessel built for Baffin Fisheries, reflects a milestone in Indigenous-led commercial operations. Zenitel supported the project with integrated communication and safety systems that enhance efficiency and welfare in polar conditions.
IPTV Onboard Vessels: Enhancing Safety, Efficiency, and Crew Welfare
IPTV onboard vessels is no longer just about entertainment. These systems now play a critical role in operational efficiency, emergency communication, and crew welfare—supporting the needs of modern maritime operations across all vessel types.
Offshore Wind Turbine Installation: Advanced Communication Solutions
Offshore wind turbine installation is accelerating worldwide, with Europe planning to add 100 GW of new offshore wind capacity by 2030. To meet these demands, specialized WTIVs (Wind Turbine Installation Vessels) require advanced communication systems for safety, efficiency, and operational success.
Loudspeakers in Maritime and Offshore Environments
In marine environments, whether aboard a vessel, in the midst of an offshore wind farm, or on an oil platform, maritime PA speakers are essential for onboard communication, delivering emergency messages and alarm signals.
Communication Systems for Polar Expedition Vessels
Exploring the poles requires robust solutions. Zenitel's communication systems for polar expedition vessels deliver unmatched reliability, supporting safe, efficient, and sustainable operations onboard eco-conscious ships like the World Seeker.
Critical Onboard Communication for Höegh Aurora-Class Ships
Critical onboard communication for Höegh Aurora-Class vessels is a crucial component of the revolutionary Aurora-class ships by Höegh Autoliners, the largest and most sustainable PCTC ever built. With collaboration between Norwegian suppliers and the Chinese shipbuilding market, this project accelerates decarbonization efforts and leads the maritime industry toward a zero-carbon future.
PAGA Retrofit on Offshore Platforms: Boosting Safety on Deepsea Atlantic.
A PAGA Retrofit on offshore platforms and floaters is essential for maintaining effective communication during daily operations and emergencies. Learn how Zenitel performed a retrofit on Oddfjell’s Deepsea Atlantic.
Effective Super Yacht Communication with Zenitel’s CIS TalkBack
In the competitive world of luxury yachts, a reliable super yacht communication system is essential for smooth operations, particularly in the critical spaces where crew coordination is paramount.
Marine Wireless Communication Solutions for Safety and Efficiency
In the maritime industry, the demands for reliability, accessibility, and ease of use in marine wireless communication solutions are exceptionally high. Ensuring effective navigation and operations onboard vessels or offshore installations, as well as the safety and security of the crew and passengers, requires advanced onboard marine wireless communication solutions.
PA integration success: Zenitel PAVA and AviaVox elevate airport efficiency
Zenitel is proud to announce another successful deployment of its VIPA-API —an advanced IP-based interface for public voice alarm (PAVA) systems. The latest integration is with AviaVox, a global leader in intelligent airport announcements, representing a key milestone in delivering smart, integrated audio solutions for modern airports.
Zenitel makes waves for hearing care at Lewes to Newhaven Raft Race
An afternoon of teamwork, laughter, and a splash of organised chaos saw the courageous crew from Zenitel Lewes take to the water in this year’s Lewes to Newhaven Raft Race. Celebrating its 50th anniversary, the race challenged teams, including industry competitors, to design, build, and paddle their way to victory, all in the name of charity.
Blackbox Company Ltd on Track for Success with Zenitel’s VIPA-API IP-Based Integration
Network connectivity provider Blackbox Company Ltd enlisted Zenitel to enhance their Digital Customer Information System for rail industry use.
Zenitel to Make Waves & Make a Difference at the Lewes to Newhaven Raft Race
Intrepid Zenitel Lewes team members will be taking part in the Lewes to Newhaven Raft Race to raise money for RNID.
Zenitel: Keeping London safe for over 30 years – now showcased at the London Transport Museum Depot in Acton
We are proud to have our advanced public address and voice alarm (PAVA) technology featured in the London Transport Museum Depot in Acton
Zenitel celebrates the graduation of third-year Electronics Engineer Apprentice
Zenitel is proud to celebrate the achievements of its third-year Electrical and Electronics Engineering Apprentice, Steven Pile, who recently marked a significant milestone in his career.
Zenitel Celebrates Record-Breaking Success at InnoTrans 2024
Zenitel is proud to reflect on a highly successful InnoTrans 2024. In our event wrap-up, we invite you to sign up for our newsletter to stay updated on our latest innovations and news.
Audio that Moves You: Zenitel to Showcase Cutting-Edge VAIA Amplifier Technology at InnoTrans 2024
InnoTrans 2024 in Berlin is an international trade fair for transport technology and shall take place from Tuesday September 24th to Friday September 27th. The leading trade fair gathers key players in railway technology, infrastructure, public transport, and tunnel construction. This event, renowned for showcasing innovations and fostering idea exchange, is the ideal scene for Zenitel to introduce its brand-new all-in-one amplifier designed for the transportation industry.
Scotland’s East Linton Station reopens with Zenitel's support
Transport Minister Fiona Hyslop officially inaugurated the newly renovated Scotland's East Linton station which utilises Zenitel's Transportation Solutions.
Zenitel Transportation Solutions joins Zenitel Safety and Security at ISE 2024
Zenitel is set to showcase its cutting-edge audio and communications solutions at Integrated Systems Europe 2024.
Festive Greetings from Team Zenitel Lewes!
As the holiday season approaches, we at Zenitel Lewes are donning our festive jumpers to express our gratitude for your unwavering support throughout 2023.
ASL Products and Solutions now available on zenitel.com
After more than two years as part of the Zenitel family, the ASL website and social media channels will cease operations starting January 1, 2024. ASL content has been seamlessly moved to Zenitel.com.
ISCVEx 2022 was a resounding success!
Thanks to everyone who stopped by our stall, it was great to see everyone back in person. The human element just can’t be underestimated. We had a lot of inspiring conversations and received a lot of interest in our new IP loudspeaker range – many were particularly impressed with the proposed integration within the existing ASL PAVA eco-system.
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