Transaction Network Services (TNS) Call Guardian provides industry-leading solutions that uses real-time call events combined with crowd-sourced data to create accurate and comprehensive reputation profiles differentiating legitimate users of communication services from abusive, fraudulent, and unlawful users.

For Consumers - this website allows you to report a robocall that is a nuisance or fraudulent. You can also report calls that have been mischaracterized. If you believe your calls are being erroneously blocked due to hijacking of your number, please contact your carrier directly.

For Enterprises - are you concerned that your calls are being labeled as nuisance or fraudulent calls or that your calls are being inadvertently blocked? This website will help TNS Call Guardian validate the characterization of your business telephone numbers and protect against erroneous blocking of wanted calls.

About TNS:
TNS is a leading global provider of data communications and interoperability solutions. Our global network and innovative value-added services enable transactions and the exchange of information to many of the world's leading retailers, banks, payment processors, financial institutions and telecommunication firms.

About TNS Call Guardian Product:
Call Guardian is the most accurate reputation profile solution in identifying call spoofing and unwanted robocalls in real-time. The platform uses a layered approach and big data analytics to deliver reduced costs and a better customer experience for carrier subscribers.