NG911 is an Internet Protocol based system that allows digital information (voice, photos, videos, & text messages) to flow seamlessly from the public, through the 911 network, and on to emergency responders. It is a system comprised of Emergency Services IP networks (ESInets), IP-based Software Services and Applications, Databases and Data Management processes that are interconnected to Public Safety Answering Point premise equipment. The system provides location-based routing to the appropriate emergency entity. The system uses additionally available data elements and business policies to augment PSAP routing. The system delivers geodetic and/or civic location information and the call back number.