Ring's philosophy is to provide high quality internal communication and security systems that are extremely innovative, yet practical. Ring continues to set the standard in the internal communications field. We produce a full array of small and large systems that are customizable and are designed with built-in flexibility. Ring's ongoing research and development demonstrates a commitment to improving our existing products and developing new ones. This guarantees our existing systems are maintained at the highest standard of excellence. That's why many Ring-Master systems currently in use date back to 1961. Ring's "Crisis Alert" System provides the platform for a supervised communications system for today's security requirements and ADA Compliant elevators and communications systems.