Abstract
Originally published in 2004 and written by highly acclaimed location technology, applications
and services expert, David H. Williams, this research has been updated by equally acclaimed P.J.
Louis, formerly an executive with 9-1-1 industry leader True Position. This report has been updated
in several areas with a particular emphasis on the business and technical issues, regulations, and
impacts of 9-1-1 for VoIP service.
This report provides key wireless 9-1-1 stakeholders, including state, local, and federal public
safety officers, seasoned wireless executives, technology-savvy business executives, investment
firms, and the educated consumer, a guide to understand the past, present, and future of wireless
9-1-1, also call Enhanced 9-1-1 or more often E 9-1-1. The report is distinguished from others
because it addresses every key dimension of wireless E 9-1-1, from technologies, to regulatory
issues, to business implications, to privacy implications, and much more. It covers these aspects at
both the strategic level and a detailed, tactical level, providing the reader with useable
information to set specific direction for his or her area(s) of responsibility.
While this research will be valuable to many in the wireless industry, this report will be of
particular interest to:
- Suppliers of public safety wireless systems, positioning systems (GPS, A-GPS, E-OTD, TDOA, TOA,
AOA, AFLT), and location-based services (LBS) applications and services
- Companies concerned with network and systems integration between wireless carriers, public
safety answer points (PSAP), and other public safety systems
- Providers of Geographic Information Systems (GIS), GIS map data, and related information for
mobile location services (MLS)
- Mobile network operators and wireless service providers such as resellers, agents, and mobile
virtual network operators (MVNO)
- Companies involved with next generation networks and concerned with the implementation and
operation of E-911 over VoIP networks
- Companies, agencies and government entities concerned with public safety, homeland security, and
law enforcement
- Companies, agencies and government entities outside the United States that want to learn from
the US wireless 9-1-1 experiences. This will be of particular value to European interests in
enhancing wireless 112 emergency calling services
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