Just before the World Trade Center’s Twin Towers collapsed on 9/11, emergency responders were desperately seeking ways to communicate evacuation orders to people in the buildings. No communication tools were available to help.
Since 9/11, code officials, property managers, and security consultants have been evaluating emergency mass-notification technology with multiple modes of communication: public address, e-mail, text messaging, cell phone, telephone, and visual message boards. The idea is to send enough messages to so many communication devices that at least a few get through.
Read full article from the Michael Fickes interview with Charles LeBlanc featured in Buildings magazine here.