- Next Generation 9-1-1
Next Generation 9-1-1 (abbreviated NG9-1-1) refers to an initiative aimed at updating the 9-1-1 service infrastructure in the United States and Canada to improve public emergency communications services in a wireless mobile society. In addition to calling 9-1-1 from a phone, it intends to enable the public to transmit text, images, video and data to the 9-1-1 center (referred to as a Public Safety Answering Point, or PSAP). The initiative also envisions additional types of emergency communications and data transfer. This NG9-1-1 infrastructure is intended to replace the current services over time. The National Emergency Number Association (NENA) first identified the need for NG9-1-1 in 2000, and started development actions in 2003, and is nearing full definition and standards for NG9-1-1. Since 2006, the US Department of Transportation (DOT) has been leading their NG9-1-1 Initiative, a research and development project aimed at advancing NG9-1-1.
- 1 Purpose and history
- 2 Enabling Technology
- 3 Statutory Authorization
- 4 Today's 9-1-1 vs. Next Generation 9-1-1
- 5 Public network infrastructure impacts
- 6 PSAP infrastructure impacts
- 7 See also
- 8 References
- 9 External links
Purpose and history
Planning for NG9-1-1 started in 2000 and was published in NENA's Future Path Plan in 2001. NENA's NG9-1-1 Project began in 2003 and continues to an ultimate goal of establishing national standards and implementation plans to accomplish advanced 9-1-1 systems and services. Public safety communications experts recognized that the nation's current 9-1-1 system was not capable of handling the text, data, images and video that are increasingly common in personal communications. The stated goal of the USDOT project is to: "To enable the general public to make a 9-1-1 “call” (any real-time communication – voice, text, or video) from any wired, wireless, or IP-based device, and allow the emergency services community to take advantage of advanced call delivery and other functions through new internetworking technologies based on open standards."
The project is aimed at ultimately establishing a national architecture for an NG9-1-1 system that would meet these goals, and to create a transition plan for NG9-1-1.
The "Proof of Concept" phase of the DOT project was completed in 2008, and a report was issued on the results of a proof of concept demonstration conducted over the course of that year. That report has served as the basic blueprint for planning and implementation of these capabilities. Actual implementation of these capabilities is expected to take several years, and will require changes to existing communications infrastructure, as well as changes to the way PSAPs operate.
The NG9-1-1 vision relies on an Emergency Services IP Network (ESInet) to deliver voice, video, text and data "calls" to the PSAP. The protocol used for delivering these "calls" will be the Session Initiation Protocol (SIP), or IP Multimedia Subsystem (IMS, which incorporates SIP). The functional and interface standards developed by NENA describe general SIP and IMS-based architectures that allow responsible agencies flexibility in developing an infrastructure to support the envisioned features of NG9-1-1.
The 911 Improvement Act of 2008  requires IP-enabled voice service providers to provide 9-1-1 service, allows state and tribal fees to pay for such services, and directs the Federal Communications Commission to gather information to facilitate these services. The Act also provides for grants to public agencies, and requires the E-911 Implementation Coordination Office to develop a national plan for migrating to a national IP-enabled emergency network.
Today's 9-1-1 vs. Next Generation 9-1-1
In today's 9-1-1 environment, the public can primarily make only emergency voice calls and Teletype calls (by deaf or hearing impaired persons). Only minimal data is delivered with these calls, such as Automatic Number Identification, subscriber name and Automatic Location Identification, when available.
In the Next Generation 9-1-1 environment, the public will be able to make voice, text, or video emergency "calls" from any communications device via Internet Protocol-based networks. The PSAP of the future will also be able to receive data from personal safety devices such as Advanced Automatic Collision Notification systems, medical alert systems, and sensors of various types. The new infrastructure envisioned by the NG9-1-1 project will support "long distance" 9-1-1 services, as well as transfer of emergency calls to other PSAPs—including any accompanying data. In addition, the PSAP will be able to issue emergency alerts to wireless devices in an area via voice or text message, and to highway alert systems.
- Deaf and hearing impaired persons in the U.S. today sometimes use TTY or TDD (Telecommunications Device for the Deaf) devices or interpreting services to contact 9-1-1. Many deaf people use text messaging and instant messages to communicate with others, but unfortunately, today's 9-1-1 is not equipped to accept this media. In the NG9-1-1 environment, they will be able to place such a call by sending a text message from their cell phone. They will be able to carry on a text conversation with a 9-1-1 operator, and even send pictures or video when necessary.
- In the event of a major highway accident involving multiple vehicles, including a hazardous material vehicle, the local 9-1-1 center may receive many calls from different motorists. This can cause the center to be overloaded with calls, leading to initial confusion of the locations of the multiple crashes. The confusion can delay response times for the necessary equipment and services, which can, in turn, cost lives and delay return to normal traffic flow. In the NG9-1-1 environment, everyone in the vicinity with an internet-connected device can be automatically notified to avoid the area. Highway message signs, and the 5-1-1 system can also display the warning. Any involved vehicle with an Advanced Automatic Collision Notification system automatically sends important crash data to the 9-1-1 center, which can dispatch Medivac helicopters even if the passengers are unable to respond.
Stakeholders and technologies involved
Many pieces of the existing communications and data infrastructure will require modification to make NG9-1-1 a reality. The private companies and public agencies that provide these goods and services will be significantly affected. Chief among these are:
- Telecommunications equipment and service providers
- Information technology equipment and service providers
- Telematics, including Advanced Automatic Collision Notification
- Hazmat (Hazardous materials) security alerts to or from commercial motor carriers or rail carriers
- Integration of Intelligent transportation systems with public safety communications systems 
- Security alarm notification system providers
Other major stakeholders include:
- State and local 9-1-1 agencies
- Public safety and emergency management agencies
- Emergency services industry
- Federal departments, including Transportation, Commerce, Homeland Security, Justice and the Federal Communications Commission
- National organizations with active interests in 9-1-1
- IT research community
- Standards community
Major contributors and stakeholders in the standards community include:
- NENA (National Emergency Number Association)
- NAED ([National Academy of Emergency Dispatch])
- APCO (Association of Public-Safety Communications Officials-International)
- IETF (Internet Engineering Task Force)
- TIA (Telecommunications Industry Association)
The DOT's NG9-1-1 Initiative looks to facilitate the involvement of all these stakeholders going forward in order to develop the architecture and migration plan necessary to make NG9-1-1 a functional reality.
Public network infrastructure impacts
In order for a useful connection to be made between the Public Safety Answering Point and person reporting the emergency, a number of changes need to be made to the existing infrastructure. For example, if a user is sending a text message, perhaps with video attached, the data needs to be routed to the PSAP that serves the area where the person is currently, and the location of the wireless device must accompany the message. The person's wireless carrier will receive the message first, then forward the message to the appropriate PSAP along with the location information. Since three different protocols may be used by the wireless device (SMS for text, MMS (Multimedia Messaging Service) or Wireless Application Protocol for multimedia), translation to a common protocol may be required prior to forwarding. In the case of Advanced Automatic Collision Notification data, the service provider must be able to similarly route this data, along with location data to the PSAP serving the area where the collision occurred. For the PSAP to be able to send out automatic notifications to all wireless devices currently operating in the area of an emergency, a similar routing mechanism must exist in the opposite (outgoing) direction. Here again, the wireless carrier will be forwarding information.
PSAP infrastructure impacts
Local PSAP network impacts
A High availability IP infrastructure interface will be needed at the PSAP for it to be able to send and receive all this data. A key element of this will be equipment and software to support VoIP communications. Internal routing of the emergency communications to the appropriate systems (i.e. text, picture and video data to the Computer-assisted dispatch system, and simultaneously to the communications recording system) will require modifications to the existing PSAP network equipment and software. Some of these changes will be non-trivial.
Local wireless infrastructure impacts
Since some of the emergency communications data will have to be forwarded to field units such as police and fire vehicles, changes will be required to the software running on the terminals that receive the data, and on those that transmit the data. If the existing wireless communications system is Project 25 compliant, little or no change will be required to the transmit/receive equipment itself, since it already supports transmission of any type of data.
Communications recording system impacts
The NG9-1-1 test plan requires that these new types of emergency communications (text, pictures, video) be recorded along with the voice communications that have traditionally been recorded. Most existing communications recorders are not capable of recording anything other than audio, and major changes may be required to bring these devices into NG9-1-1 compliance. This may require a significant investment on the part of the PSAP if the existing equipment cannot be modified to support the new requirements.
Human resource impacts
There will also be significant operational impacts on the PSAP "call takers", dispatchers (those who dispatch emergency vehicles and personnel), and on their managers. Workloads are expected to increase, and significant new training will be required for those responsible for responding to these new communication types. Similar impacts on both public and private emergency response providers, and on Telematics and medical services providers are also anticipated.
- ^ U.S. Dept. Of Transportation NG9-1-1 initiative
- ^ NENA NG9-1-1 Project
- ^ a b c Mission Critical Magazine: "Greater Expectations"
- ^ NENA NG9-1-1 Future Path Plan
- ^ NG9-1-1 Initiative Overview
- ^ NG9-1-1 Proof Of Concept Test Report
- ^ DOT NG9-1-1 Overview
- ^ NENA i3 TECHNICAL REQUIREMENTS DOCUMENT
- ^ NENA Functional and Interface Standards for Next Generation 9-1-1
- ^ 911 Improvement Act of 2008
- ^ Today's 9-1-1 vs. Future 9-1-1
- ^ Next Generation 9-1-1 System Preliminary Concept of Operations
- ^ NG9-1-1 Examples and Scenarios
- ^ NG9-1-1 technologies
- ^ NG9-1-1 stakeholder involvement
- ^ NG9-1-1 Operational Needs
- ^ Telecommunications Industry Association standard "TIA.102" (series)
- ^ Operational Impacts and Needs
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