Guaranteed Caller™


Robocalling Market Conditions – Matt Rosenberg

Fraudsters and Nuisance Callers – Matt Rosenberg

Restoring Trust – Matt Rosenberg

The Industry Solution – Matt Rosenberg

NetNumber Guaranteed Caller – Matt Rosenberg


Further Reading

A collection of independently written reports, detailed papers and further information for STIR/SHAKEN and NetNumber Guaranteed Caller™.

GlobalData Report
Industry Analysts GlobalData independently provide this report on Guaranteed Caller, looking at its importance, relevance and market impact to STIR/SHAKEN initiatives.

HardenStance Briefing
Industry Analyst HardenStance independently offer this briefing on the impacts and benefits of ‘Deploying STIR/SHAKEN as a Service’.

From Complexity to Simplicity – White Paper
This paper details the fraudulent robocalling problem and the complexities being faced. It describes the STIR/SHAKEN solution, and how NetNumber’s Guaranteed Caller™ family of STIR/SHAKEN solutions is tailored to simplify service provider compliance.

Guaranteed Caller Data Sheet
Guaranteed Caller™ is NetNumber’s family of STIR/SHAKEN solutions, providing proactive and IETF/ATIS compliant CLI validation solutions for all common calling scenarios. This data sheet overviews the variants, capabilities and benefits of Guaranteed Caller.

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