A report by Transaction Network Services highlights the effectiveness of signed call traffic among U.S. telecom carriers in combating robocalls, with 86% of traffic signed now. Notably, 95% of call traffic between top carriers received 'A-level' attestation, reducing robocall risks through robust SIP-to-SIP connections. Despite these advancements, smaller carriers struggle with implementation, creating vulnerabilities. The report forewarns that AI-generated robocalls will continue to rise, underscoring the need for further modernization to protect subscribers effectively.
"Top carriers deserve praise for their implementation of STIR/SHAKEN, which has enabled them to consistently sign traffic with high attestation levels."
"By fully modernizing and transforming SIP-to-SIP connectivity, the telecom industry will be in a stronger position to neutralize robocall threats and protect their subscribers."
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