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TNS and Metaswitch Announce Immediate Availability of Hosted Robocall Blocking Service Based On STIR/SHAKEN
[April 09, 2019]

TNS and Metaswitch Announce Immediate Availability of Hosted Robocall Blocking Service Based On STIR/SHAKEN


Transaction Network Services (News - Alert) (TNS) and Metaswitch today announced the launch of Call Guardian Authentication Hub, a new hosted STIR/SHAKEN solution that enables carriers to quickly and economically go-to-market with a call authentication solution that meets FCC (News - Alert) Chairman Ajit Pai's call-to-action to adopt protocols that combat illegal spoofing and better protect subscribers from unwanted robocalls.

Call Guardian Authentication Hub is a fully managed service that combines the TNS (News - Alert) Call Guardian analytics and robocall detection solution used by leading U.S. wireless and landline service providers with Metaswitch's STIR/SHAKEN compliant MetaSphere QCall solution that enables signing and verifying Caller ID. Metaswitch was the first vendor to both complete successful implementation of a STIR/SHAKEN caller ID authentication solution in the ATIS (News - Alert) robocalling testbed and deploy in production with a Tier 1 provider in North America.

The Call Guardian Authentication Hub leverages TNS' visibility into over 1 billion call events daily resulting from TNS' connectivity with more than 500 North American carriers. While STIR/SHAKEN enables carriers to sign calls within their own network, the Call Guardian Authentication Hub simplifies signing of inter-carrier calls by automatically authenticating and verifying calls and applying the appropriate call validation treatment. It includes support for universal call blocking of illegal roboalls as defined by U.S. and Canadian regulators.



"For STIR/SHAKEN to dramatically reduce nefarious robocalls, call authentication must extend beyond the Tier 1 carriers that have the budget and resources not available to the hundreds of other smaller service providers," said Bill Versen, Chief Product Officer at TNS. "Our combined solution with Metaswitch uniquely fills this market gap by offering any service provider operating in North America a feasible path towards rapidly deploying the STIR/SHAKEN call authentication framework."

While leading U.S. carriers are moving towards STIR/SHAKEN implementation, a majority of cross-carrier U.S. wireless voice traffic does not exclusively transit the networks of the largest carriers, allowing bad actor robocallers to simply continue originating traffic from Tier 2 and 3 carrier networks that do not deploy STIR/SHAKEN compliant solutions. At the same time, Canadian Telecommunications Service Providers (TSPs) have a requirement to implement authentication and verification of caller ID information for Internet Protocol (IP) voice calls to empower Canadians to better protect themselves against nuisance calls.


"As the 2019 TNS Robocall Investigation Report found, only 10% of high risk robocalls come from Tier 1 carriers, which is why carriers of all sizes, as well as telecom regulatory authorities recognize how critical STIR/SHAKEN is to protect their business and consumer subscribers and restore trust in voice calling," stated Shriraj Gaglani, EVP, Business & Corporate Development, Metaswitch. "Instead of spending months on interoperability testing and other cost-intensive components of STIR/SHAKEN implementation and deployment, carriers can deploy the Call Guardian Authentication Hub in a matter of days."

An additional capability of this service allows operators to identify and apply treatment to spoofed calls that have traversed non-IP networks or do not have STIR/SHAKEN framework deployed. This multi-layered approach maximizes the effectiveness of the solution.

For North American carriers interested in getting started today and signing calls leveraging the Call Guardian Authentication Hub, please visit here.

About TNS

From small rural operators in the US to the largest multi-national carriers, TNS has over 500 operator customers and addresses the full needs of wireless and wireline operators in the US and globally. The TNS Call Guardian robocall detection solution is used by leading US wireless service providers as well as US landline providers and is accessible via numerous types of signaling protocols, can be customized by the individual operator, and is available to all types of service providers, including wireless, VoIP, and TDM wireline. TNS analyzes over 1 billion call events across over 500 operators every single day. For additional information visit here.

About Metaswitch

Metaswitch is the world's leading cloud native communications software company. The company develops commercial and open-source software solutions that are constructively disrupting the way that service providers build, scale, innovate and account for communication services. By working with Metaswitch, visionary service providers are realizing the full economic, operational and technology benefits of becoming cloud-based and software-centric. Metaswitch's award-winning solutions are powering more than 1,000 service providers in today's global, ultra-competitive and rapidly changing communications marketplace. For more information, please visit www.metaswitch.com.


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