TNS Call Guardian is an industry-leading call analytics solution that uses cross carrier real-time call events combined with crowd-sourced data to create accurate and comprehensive reputation profiles differentiating legitimate users of communications services from abusive, fraudulent and unlawful users. TNS Call Guardian is the most accurate reputation profile solution using a layered approach, big data analytics and integration of call attestation parameters from STIR/SHAKEN to deliver a better customer experience for consumers.
Click here to learn more about Call Guardian STIR/SHAKEN capabilities.
TNS Call Guardian is being used by some of the world’s largest operators, including:
Verizon – Call Filter
Sprint – Call Screener
US Cellular – Call Guardian
C Spire – Free robocall filtering
Inland Cellular – Deploys TNS Call Guardian
Allstream – Selects TNS Call Guardian Authentication Hub
Shaw – spam call blocking
The 2020 Robocall Investigation Report by TNS includes a vast amount of factual evidence derived from real network traffic over the last four years. The study is unique in that it offers an objective, first-hand view of robocalling, spamming and spoofing across the hundreds of carriers that signal across the TNS signaling and database routing infrastructure.