This document discusses robocalls and solutions for mitigating them. It introduces TelcoBridges and YouMail - TelcoBridges produces VoIP gateways and SBC software, while YouMail provides robocall detection using a sensor network and call content analysis. The document outlines government actions against robocalls, YouMail's detection capabilities, and how carriers can use ProSBC and YouMail APIs to check call reputations and block high risk calls.