Tech companies make the very first phone call with authenticated caller ID and rich call data powered by STIR / SHAKEN


PHILADELPHIA CREAM – (COMMERCIAL THREAD) – A group of technology companies and voice service providers today announced a key step in protecting consumers from fraudulent robocalls and creating a safer and more reliable phone ecosystem. Comcast, Everbridge, NetNumber, Numeracle and Twilio have completed what is believed to be the very first call to combine Authenticated Caller ID and Rich Call Data (RCD), powered by the framework and protocols. STIR / SHAKEN.

Improving Authenticated Caller ID as an extension of STIR / SHAKEN, Rich Call Data is an evolutionary leap forward for trust in the phone ecosystem. Using public key cryptography and the global STIR / SHAKEN family of protocols, Rich Call Data enables legitimate callers to tell recipients exactly who they are, where they’re calling from, and even why they’re calling, with the highest degree of confidence. confidence and certainty. This technology is especially important for calling businesses who need reliable tools to reach their customers.

The historic call was made over Comcast’s voice network using a suite of technologies and interoperable networks from Everbridge, NetNumber, Numeracle and Twilio.

“With this milestone, we are starting to harness the full power of STIR / SHAKEN to protect consumers and further increase confidence in the global telephone ecosystem,” said Chris Wendt, director of technical research and development, corporate services. IP communications, Comcast Cable. . “While call authentication is powerful in itself, the ability to deliver rich call data to recipients has the potential to create a level of trust and visibility that was never possible before. ”

Enterprise callers, contact centers, and their telephone service technology providers use a complex set of call initiation and routing relationships to route calls to customers and consumers. Everbridge, a communications service provider supporting critical event calls and notifications for emergency scenarios (calls to be answered), has been selected to demonstrate the power of enhanced and authenticated identification of the ‘calling in this proof of concept. The ability for businesses to provide rich call data associated with the calls they control is a recent addition to the STIR / SHAKEN family of call authentication specifications.

“The enhancements to the rich call data presented here are essential to provide consumers with a trusted experience while ensuring that essential calls reach the intended recipients and that citizens are reliably notified,” said Dr Eric Golin , director of architecture for Everbridge, the world leader. in the management of critical events. “In an emergency situation such as a forest fire or a hurricane, for example, people need to have the confidence to answer an incoming call from local authorities for potentially life-saving instructions. ”

To begin end-to-end Caller ID authentication, Everbridge and its corporate customers first completed the process of verifying and validating the Numeracle Verified Identity ™ entity. Verified Identity provides a solution based on Compliance, Know Your Customer (KYC), and Customer Due Diligence used to validate corporate identity and call competence in support of the goal of the TRACED law to ensure that the caller is identified with precision.

Using Numeracle’s Entity Identity Management ™ platform, the relationship between the company Everbridge Verified Identity, its authorized phone numbers and its active relationship with the outgoing VoIP service provider, Twilio, has been validated and certified. The branded rich call data was associated with the corporate call profile validated by Numeracle and transmitted to the NetNumber Guaranteed Caller ™ platform for issuance of a SHAKEN delegate certificate and for use in the network. signing calls through Twilio as the original service provider (OSP).

“Twilio enthusiastically participated in one of the first end-to-end Caller ID authentications that successfully conveyed branded rich call data signed by a delegated certificate within the public switched telephone network.” , said Jesper Joergensen, general manager of voice and video for Twilio. “Since the ratification of the STIR / SHAKEN standard, Twilio has recognized the importance of KYC and the authentication of direct and indirect customers in order to restore trust between businesses and consumers.

Based on the receipt of the RCD signed call, Twilio was then able to confidentially and reliably sign the call with a SHAKEN signature using Level A attestation, the highest level of verification. Comcast then demonstrated receipt and verification of the signed RCD and STIR / SHAKEN call with the display of the verified caller identity of the Everbridge company via the caller ID name, logo of the mark and the reason for the appeal.

“We thank Comcast for its understanding and investment in the challenges of STIR / SHAKEN enterprise call delivery through its active leadership role in standards and the development of the delegate certificate model,” said Rebekah Johnson. , founder and CEO of Numeracle. “The proof of concept we have demonstrated here, with participation from NetNumber, Everbridge and Twilio, demonstrates the collaborative ability to bridge the gap between the enterprise caller and the entry point of customer authentication. STIR / SHAKEN calls if critical, legal and wanted. calls can be delivered to the consumer without interruption.

Doug Ranalli, Founder and Vice President of Products & Strategy – GDS, NetNumber added: ecosystem of technology providers. By leveraging the standards and supporting KYC requirements for service providers, we have actively used the technology to support legal callers and prevent bad actors from entering the trusted network.

For more information on FCC caller authentication requirements, visit

About Comcast

Comcast Corporation (Nasdaq: CMCSA) is a global media and technology company with three main businesses: Comcast Cable, NBCUniversal and Sky. Comcast Cable is one of the largest providers of broadband Internet, video and telephony in the United States to residential customers under the Xfinity brand, and also provides these services to businesses. It also provides wireless, security and automation services to residential customers under the Xfinity brand. NBCUniversal is global and operates cable news, entertainment and sports networks, NBC and Telemundo broadcast networks, television production operations, television station groups, Universal Pictures and Universal Parks and Resorts. Sky is one of Europe’s leading media and entertainment companies, connecting its customers to a wide range of video content through its pay TV services. It also provides communication services, including residential high speed Internet services, telephone and wireless services. Sky operates the Sky News broadcast network and sports and entertainment networks, produces original content and owns exclusive rights to the content. Visit for more information.

About Everbridge

Everbridge, Inc. (NASDAQ: EVBG) is a global software company that provides enterprise software applications that automate and accelerate organizations’ operational response to critical events to keep people safe and businesses run ™. During public safety threats such as active shooter situations, terrorist attacks or extreme weather conditions, as well as critical business events including computer failures, cyber attacks or other incidents such as product recalls or supply chain disruptions, more than 5,400 customers worldwide rely on the business critical event management platform to quickly and reliably aggregate and assess threat data, locate threats at-risk individuals and responders able to help, automate the execution of pre-defined communication processes through secure delivery to over 100 different communication devices and track progress in executing response plans. Everbridge serves 8 of the 10 largest US cities, 9 of the 10 largest US investment banks, 47 of the 50 busiest North American airports, 9 of the 10 largest global consulting firms, 8 of the 10 largest global automakers , 9 of the 10 largest US-based healthcare providers, and 7 of the 10 largest technology companies in the world. Everbridge is based in Boston with additional offices in 14 cities around the world. For more information visit

About NetNumber

NetNumber, Inc. brings more than 20 years of experience providing core network signaling control platforms that power global telecommunications and enterprise networks. Our signaling control software solutions accelerate the delivery of new services such as private networks and IoT / M2M solutions over multigenerational networks, dramatically simplifying the core and reducing OPEX. These solutions cover a range of network types from 2G-3G-4G-5G to the future G, delivered on the most robust signaling platforms in the industry, TITAN and TITAN.IUM. NetNumber data services are essential for global inter-carrier routing, roaming, voice and messaging. Data powers fraud detection and prevention solutions and enables enterprise B2B and B2C communication platforms. NetNumber multi-protocol signaling firewall, fraud detection and automated call firewall solutions help secure networks against current / emerging threats.

About Numéracle

Numeracle’s Entity Identity Management ™ and Verified Identity ™ platform enables legal entities to prevent inappropriate call blocking and tagging and to prepare for corporate call delivery with STIR / SHAKEN. By working with technology vendors, operators, device manufacturers, analytics companies, and others, Numeracle provides visibility and management across key stakeholders that impact how communications are presented to consumers to give legal callers control over the presentation of their brand. To learn more, visit

About Twilio

Millions of developers around the world have used Twilio to unleash the magic of communications to enhance any human experience. Twilio has democratized communication channels such as voice, text, chat, video, and email by virtualizing the global communications infrastructure with APIs simple enough for any developer to use, yet robust enough to power users. most demanding applications in the world. By integrating communications into every software developer’s toolkit, Twilio empowers innovators in all industries, from emerging leaders to the world’s largest organizations, to reinvent the way businesses interact with their customers.

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