1) CPaaS (Communication Platform as a Service) is a cloud-based platform that allows developers to integrate real-time communication features like voice calls, video calls, and SMS into their applications through APIs. 2) Vox CPaaS provides security through data encryption, resiliency through handling varying bandwidth, and is developer friendly through programmable APIs. 3) Vox CPaaS allows businesses to streamline customer support by integrating voice, video, and SMS capabilities into their applications.