Technical Evidence in TCPA, Robocall and Traceback Cases

Evidence counsel should preserve

• Call-detail records and complete SIP signaling
• STIR/SHAKEN Identity headers and attestation data
• Consent records and lead-generator workflows
• KYC, onboarding and customer due-diligence files
• Traffic analytics, complaints, warnings and blocking actions
• USTelecom Industry Traceback Group requests and provider responses

Questions for the expert

• Who originated, authenticated, accepted or forwarded the traffic?
• What did each provider know, and when?
• Were traceback requests answered accurately and promptly?
• Did monitoring and mitigation correspond to the provider’s actual risk?
• Does the consent or lead-generation account match the technical and documentary record?

What the evidence does not prove automatically

High traffic volume, transit carriage or a particular attestation level may be relevant, but none alone establishes intent, knowledge or legal responsibility. The opinion should state the inferential steps and identify evidence inconsistent with the preferred narrative.

How Leo can help

Leo combines carrier operations, SIP and network evidence, U.S. regulatory experience and legal training. He can assist with early assessment, discovery, mitigation-plan review, traceback reconstruction, opposing-expert analysis and clear testimony on the technical record.