Protecting Phone Number Integrity:
How Resp Orgs Can Lead the Way

May 15, 2025 • 2:00-2:30 PM ET • Online Webinar

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Phone Numbers are more than just assets—they are trusted connections between enterprises and consumers. As fraudulent call spoofing and impersonation threats continue to rise, ensuring that only authorized parties can use a phone number is more critical than ever. But how can we securely chain the rightful custody of a number to the calling party?

Join Somos’ Jaime Zetterstrom, VP of Product Management, and Susan Tamida, Senior Product Manager, for a complimentary 30-minute webinar where they explore the role of Responsible Organizations (Resp Orgs) in enabling secure, trusted communication through establishing Right-to-Use (RTU) for their end customers.

Protecting Phone Number Integrity: How Resp Orgs Can Lead the Way    
May 15, 2025 • 2:00-2:30 PM ET

During this complimentary 30-minute webinar, you will learn:

  • The importance of authenticating Right-to-Use (RTU) down to the individual phone number level
  • How Resp Orgs play a crucial role in ensuring calling party legitimacy
  • The process of delegating RTU to enterprise customers securely
  • How Somos' innovative solution simplifies the issuance of Delegate Certificates
  • What Resp Orgs need to do to support Delegate Certificates
  • Live Q&A

The future of trusted connections starts with Resp Orgs. Are you ready to be a leader in the fight against fraud? Register today to learn how Resp Org Certificates can help you strengthen call authentication and protect your customers today!






Meet Your Presenters




Susan Tamida, Somos' Senior Product Manager, joined Somos in 2022 and leads the innovations for RouteLink, TSSRegistry, TFNIdentity, as well as a focus on new concepts. Prior to joining Somos, Susan spent 7 years in the healthcare technology space with an emphasis on Software-as-a-Service products and services for trusted communications in pharmacy. She has a bachelor's degree in Physiology/Neuroscience from the University of California, San Diego.




Jaime Zettersrom is a dedicated executive leader with 25 years of experience within the Telecom industry. As Somos’ Vice President, Product Management, Jaime continues to leverage her engineering, fraud fighting and telecom background to elevate Somos’ offerings in the Trusted Telecom Ecosystem.