It is no secret that 75 to 80 percent of all alarms are caused by user error, according to the Security Industry Alarm Coalition (SIAC) and, therefore, alarm verification procedures and technologies can greatly reduce the number of false dispatches. Many national and regional companies already have implemented Enhanced Call Verification (ECV) or two-call verification as a necessity due to verified response or non-response ordinances in the cities or areas they serve, and a growing number are implementing verification technologies such as video and audio to add a deeper level of verification.