Next Generation 911 (commonly referred to as NG911) is a digital, internet protocol (IP)-based system that will replace the analog 911 infrastructure that’s been in place for decades.

Interoperability is the ability of different communication systems to work together seamlessly. This is essential for first responders, who need to be able to communicate with each other quickly and easily in order to coordinate their response to an emergency.

End-to-end testing is a type of testing that ensures that all components and systems in a technology or infrastructure setup, including software, hardware, networks, and interfaces, are working together correctly as an integrated system.