Neustar is a pioneer in call authentication as a co-author of STIR standards, active contributor to the SHAKEN framework and the exclusive operator of the ATIS Robocalling Testbed, where real-world STIR/SHAKEN implementations are tested for interoperability with Neustar's reference implementation. Verify calls as trusted communication by implementing the latest STIR/SHAKEN call authentication standards with Certified Caller.

Product Features

Future-proof Compliance
Compliant with latest STIR/SHAKEN standards with continuous implementation of new software capabilities.

Robust All-in-One Solution
Includes all required and emerging STIR/SHAKEN components.


Flexible Interfaces
Support for published REST API and SIP proxy interfaces to VoIP and IMS network elements.

Multiple Deployment Methods
Easily deployed and linearly scaled in service provider's private cloud environment, including VMware and OpenStack. Hosted, fully managed STIR/SHAKEN offering.

Download the Certified Caller Solution Sheet to learn more.


Learn How Your Company Can Benefit from the Power of Trusted Connections.

Contact Us Give us a call 1-855-898-0036