Ring Communications is a leading manufacturer of communication systems used for parking security. Emergency call stations with strobe lights will annunciate calls at a security console with caller identification. Available with scream detection and pushbutton activation that can also interface to CCTV and access control systems. Line supervision will advise you of faults in the system. All systems are ADA compliant and have remote relay activation to control gates. Systems from two to several thousand call points are not a problem.