NENA Releases New Version of i3 NG 9-1-1 Standard
Tuesday, July 13, 2021 | Comments

The National Emergency Number Association (NENA) released the third version of its i3 standard for next-generation 9-1-1 (NG 9-1-1). The updated version includes updates to NG 9-1-1 infrastructure, which will pave the way for national and international interoperability, NENA said.

“This is a landmark moment in the evolution of NG 9-1-1,” said NENA President Gary Bell. “The public-safety community and the tech industry now have the most up-to-date, comprehensive, consensus-driven, open standard for NG 9-1-1. This will no doubt hasten and strengthen our push to see NG 9-1-1 systems, services and products deployed coast to coast.”

The i3 standard is an American National Standard (ANS) candidate, and NENA expects full American National Standards Institute (ANSI) approval in the coming weeks.

Changes in the third version of the standard include new REST/JSON architecture, following modern best practices for interface design; cybersecurity improvements; major updates to call bridging; discrepancy reports; outgoing call interface function; blind transfer support; updates to handle novel call types including non-interactive calls and advanced automatic crash notifications; and harmonization with European specifications.

“i3 Version 3 represents the culmination of several years of effort by a large group of experts to produce a complete and interoperable specification implementable by all 9-1-1 authorities and vendors,” said Brian Rosen, co-chair of the i3 Architecture Working Group. “It adds new functionality requested by PSAPs and updates the specifications for software-application interfaces. i3v3 is undoubtedly the new standard for state and local NG 9-1-1 RFPs, and vendors will now be able to upgrade their implementations with greater confidence.”

Find the new version of the standard here. NENA also made application programming interfaces (APIs) for the third version of the i3 standard in its code repository. Find it here.

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