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For more than fifty years, 911 was a voice-centric system. That world has changed. 911 is now a voice plus data ecosystem. This shift is driven by innovation across every corner of public safety. This is progress. And it is good for public safety.

Every 911 center operates under immense pressure — balancing public safety, technology complexity, and compliance demands. Each call passes through multiple systems, each creating logs, timestamps, and data trails that don’t always align. When incidents are reviewed — whether internally, legally, or through the media — discrepancies between systems can create uncertainty and expose agencies and vendors to unnecessary risk.

911 Trust Ledger is not a product or a vendor. It’s a foundation and an open technology standard that anyone in public safety can build on.

Trust used to be a feeling. Now, it has to be engineered.

911 Trust Ledger introduces a new kind of shared governance for public safety data — one where PSAPs, administrators, vendors, and oversight agencies each play a defined role in maintaining integrity. Learn how this model builds transparency, neutrality, and accountability into the foundation of 911’s future.

The Computer-Aided Dispatch (CAD) system is where calls become action. The CAD Evidence Graph ensures every step of that workflow — from incident creation to closure — is verifiable, auditable, and immutable.

Every 911 call tells a story — from the first ring to the final report. The CHE Evidence Graph captures that story in real time, recording each call-handling event as a verifiable entry on the 911 Trust Ledger.

The 911Trust Ledger (911TL) is designed to address the structural, technical, and trust challenges facing the next generation of emergency communications.