NENA's NG9-1-1 Guide for 9-1-1 Authorities
is an easy to understand, high-level overview of the components of Next Generation 9-1-1 (NG9-1-1), specifically written for 9-1-1 authorities. The components and building blocks of NG9-1-1 are presented at a high level, with step-by-step call-flow diagrams. This provides 9-1-1 authorities with simple explanations along with links to specification documents containing additional detail. Information is also provided on some transitional services, such as text-to-9-1-1, as well as a brief explanation of FirstNet.