Five9 offers cloud-native contact center software enabling digital customer service, sales, and marketing engagement. The company’s Virtual Contact Center platform combines core telephony functionality, omnichannel engagement, and various modules into a unified cloud contact-center-as-a-service, or CCaaS, platform. Five9’s modules include digital self-service, agent assist technology, workflow automation, as well as workforce optimization solutions that optimize call center efficiency, and manage interaction quality and agent performance.