Built to Last: German Zoo Enhances Emergency Communication with Custom Industrial Telephones

When safety meets the wild, ordinary equipment simply won’t do. A leading German zoo has upgraded its emergency communication infrastructure with a fleet of rugged industrial telephones, specially customized to withstand the unique demands of a zoological environment.

The zoo has deployed the JR103-CB, a heavy-duty emergency telephone engineered for public and industrial areas requiring virtually indestructible equipment. To meet the specific needs of zoo operations, the units have been fitted with a custom stainless steel keypad, providing an additional layer of durability against frequent use, curious visitors, and the rigorous cleaning protocols essential in animal care areas.

Constructed with a die-cast aluminum alloy housing and finished with a weatherproof polyurethane coating, each unit is built to resist high humidity, dust, vibration, shock, extreme temperatures, and even attempted vandalism. These features make the telephone ideally suited for placement throughout the zoo—from tropical reptile houses to open-air enclosures and high-traffic entry points.

Key features of the installed units include:

Custom Stainless Steel Keypad: Designed for longevity and hygiene, the keypad withstands repeated pressing, power washing, and exposure to cleaning agents without degradation.

Noise-Cancelling Handset: Fitted with an armored cord, the handset ensures clear communication even in noisy environments such as birdhouses or large mammal exhibits.

High-Audibility Ringer: With a ringer volume reaching up to 95 dB(A) at one meter, emergency calls can be heard clearly across expansive or noisy areas.

Weatherproof Enclosure: The robust housing provides all-weather reliability, ensuring functionality in rain, snow, and direct sunlight.

Power over Ethernet (PoE): Simplified installation using PoE reduces cabling complexity, allowing seamless integration into the zoo’s existing network infrastructure.

Remote Management: Web-based configuration and self-diagnostic testing capabilities allow zoo staff to monitor system health and perform updates without physical intervention.

The telephone’s operating temperature range of -40°C to 65°C ensures consistent performance regardless of season, while a mean time between failures (MTBF) exceeding 50,000 hours speaks to its long-term reliability.

Typical applications for the JR103-CB include outdoor environments, industrial sites, and critical infrastructure—making it an ideal fit for a modern zoo that operates with the same rigor as any industrial facility. The addition of the custom stainless steel keypad further tailors the solution to the zoo’s operational reality: high-traffic, high-hygiene, and zero tolerance for failure.

This installation reflects the zoo’s broader commitment to leveraging robust, future-ready technology to ensure the safety of its millions of annual visitors while maintaining the highest standards of animal care and facility management.

About the JR103-CB
The JR103-CB is a heavy-duty emergency telephone designed for demanding environments, including outdoor public spaces, industrial sites, and critical infrastructure. It combines a rugged, vandal-resistant housing with advanced network functionality for reliable communication in the harshest conditions.