Putting a spin on 911: Law-enforcement agencies embrace reverse system
Langsenkamp, CEO of Sigma Micro Corp. in Indianapolis, began conducting research on the patented Reverse 911 Interactive Community Notification System in 1990. The technology, however, didn’t hit the market en masse until a decade later. Today, roughly 350 law enforcement agencies in the United States and Canada, including those in Carmel and Beech Grove, use it to blast warnings to residents. “It was the first system that ever allowed people to dial phone numbers and deliver messages based on the…