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Robocall Mitigation Solutions
Restore Trust to Voice with Robocall Protection
Empower Subscribers
Trust between you and your subscribers is mission critical for your business. As robocalls, spam and user fraud increase across networks, restore that trust by arming your subscribers with the data and protection they need to block unwanted communications.
Discover the latest robocall trends, data analytics and discussions, as well as the latest scam of the month below.
Robocall Protection Products
Robocall Investigation Report
Request your copy of our industry defining and FCC cited Robocall Investigation Report. Our Report for the first half of 2025 highlights new robocall insights and trends to help prepare carriers, regulators, policymakers and the telecom industry for the remainder of the year.
Robocall Scam of the Month
TNS' robocall protection services help empower your subscribers with the capabilities they need to make informed decisions. Our solutions analyze and provide mission critical robocall protection for 1.5 billion daily call events. Below, find data that can help your network and your subscribers avoid scams and take action to protect from scammers.
TNS Call Guardian
TNS Call Guardian is an industry-leading solution that uses 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.
Call Guardian Authentication Hub
TNS Call Guardian Authentication Hub is a managed end-to-end call authentication solution that analyzes real-time call events combined with STIR/SHAKEN authentication and validation of caller ID that allows operators to differentiate between legitimate users of communications services versus abusive, fraudulent and unlawful users.
Ready to Learn More?
Discover more about how TNS robocall protection services help your subscribers and expand your network.
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Leading Analytics Solution
Get the Data You Need via TNS Call Guardian Analytics
Robocall Blocking Capabilities
TNS Call Guardian is an industry-leading analytics solution that uses cross carrier real-time call events and crowd-sourced data to create accurate and comprehensive call reputation profiles. These profiles differentiate legitimate users from abusive, fraudulent or unlawful ones.
TNS Call Guardian has a leading-edge platform in robocall blocking accuracy with capabilities for Do Not Originate, invalid, unallocated, unassigned numbers, machine learning and STIR/SHAKEN. Deliver a better customer experience to your subscribers, which can help reduce churn, enhance your reputation and win more business.
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Accuracy with STIR/SHAKEN Attestation
Combat Robocall Protection Pressure
STIR/SHAKEN ensures the number of a telephone call is secure by identifying caller ID spoofing, authenticating the enhanced caller ID at the origination point and validating at the termination point. For more on how to use STIR/SHAKEN to respond to increasing robocall protection pressures, contact TNS.
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Enhance Experience
Keep Loyal Customers
When subscribers are happy, you win. Using Call Guardian helps customers understand the reputation of incoming calls, makes them less likely to call into customer care and reduces the number of reported spam calls for your care team to address. Enhancing your robocall protection keeps customers loyal.
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Protect Your Reputation
Increase New Business Opportunities
TNS Call Guardian maintains all standards of data encryption, consumer and carrier privacy policies while providing you with the robocall mitigation analytics you need. Increase Net Promoter Score and win new business by providing your subscribers with the tools to combat unwanted calls.
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Flexibility in Deployment
The Right Fit for Your Business
As with all TNS’ infrastructure-as-a-service solutions, choose what’s right for your network from flexible deployment options, including TNS intercarrier signaling and routing, data from the VoLTE registry, STIR/SHAKEN either carrier deployed, hosted or on-prem and more. Contact TNS to determine what’s right for you.
Where More Data Means Higher Accuracy
TNS Call Guardian has the largest base of covered subscribers in the United States and coverage in key global carrier networks. This not only helps you scale, but also improves accuracy and speed of robocall identification and remediation.
3
Of the top fives wireless carriers deployed.
1B
Call events analyzed every day.
500
Operators with call event analysis and insight daily.
1B
Telephone numbers with reputation profiles.
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Solutions for Smaller Carriers
Robocall Protection with TNS Call Guardian Authentication Hub
Managed End-to-End Service
Smaller carrier looking for the same data that TNS Call Guardian applies? Look no further than TNS Call Guardian Authentication Hub. TNS CGAH combines the capabilities of Call Guardian Analytics and Metaswitch’s MetaSphere Qcall SIP application server, a division of Microsoft, that analyzes real-time call events and enables you to differentiate legitimate users from those with abusive or fraudulent profiles. Managed end-to-end, the CGAH allows you to provide the information your subscribers need for robocall protection.
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Power Complete Compliance
Reduce Your Network Costs
TNS’ call authentication framework helps operators meet all FCC requirements, follow the direction of Tier-1 providers and ensures full compliance with standards in ATIS test bed. All while reducing network costs by blocking calls in the network allowed by the FCC and CRTC.
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Engage with an Elevated Platform
A Fully Managed Solution
Leverage a fully managed network-level solution that can be used to seamlessly deploy branded calling and enhanced caller ID.
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Get Detailed Insights
1.5 Billion Daily Call Events
TNS’ call authentication solution enables analysis of over one billion call events daily across more than 500 operators and caller reputation on over one and a half billion telephone numbers.
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Scale with a Flexible Solution
Can Work for Any Size
Built on an OPEX-based model, TNS’ call authentication solution can scale up or down to any size network, supporting multiple network protocols (SIP, HTTP) and integrates with all major network elements.
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A Paid For Subscriber App
Change the Way We Connect with Enhanced Caller ID
Improve the Customer Experience
Enhanced Caller ID empowers identity and facilitates trust with your key asset: your network via a paid app that subscribers can activate on their phone handset. Provide your subscribers with more data – with name, text, spam, and business identification. This robocall protection tool can help enhance experience, keep loyal customers and win new business.
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Deliver Name, Spam and Business ID
Knowledge is Power for Subscribers
Empower your subscribers with calling name information on every call, even if the number is not in their contact list.
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Reduce Calls into Customer Care
Fewer Open Fraud Investigations
Reduce the calls into your care organization to report spam, which can help reduce the burden on your care team to investigate fraud.
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Mitigate Customer Churn
Superior Customer Experiences
Deliver the best experience for your subscribers regardless of terminating device and decrease the chance they fall prey to scams and fraud.
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Powerful Features for Subscriber Security
Empower Subscribers
Enable your subscribers to manage spam lists, block calls by level of risk and send to voicemail.
Contact Us
Contact TNS to learn more about how our robocall protection services enhance your reputation and expand your business.
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Communications Resource Center
TNS' unified call identification platform restores trust to voice and drives the future of next generation communications. TNS analyzes more than one billion calls a day, synthesizing data into widely trusted and utilized robocall protection reports, white papers and other thought leadership. Learn more about TNS' IaaS solutions.