As voice-based threats continue to evolve, organizations require robust solutions to protect their communication channels. C1 Cloud Calling Voice Traffic Filtering, an add-on service to C1 Cloud Calling, provides multi-layered protection with voice captcha against robocalls, spoofed calls, scams, spam storms, vishing, smishing, and social engineering attacks, ensuring secure, reliable, stir/shaken compliant and uninterrupted voice communications.