CSG Systems International, Inc. is a software-as-a-service (SaaS) platform company. The Company provides revenue management, digital monetization, customer experience, and payments solutions. It offers integrated real-time revenue management platforms leveraging public cloud, private cloud, or on-premises deployments to optimize and monetize transactions at every stage of the customer lifecycle. Its products are used in the areas of 5G/internet of things (IOT) monetization, financial services, technology, telecom, field service management, operations support systems/business support systems (OSS/BSS), journey orchestration, journey analytics, customer experience, and integrated payments. It offers operational services encompassing infrastructure management, including hardware, application, and environmental management, and application configuration management, including configuration development, release, and deployment. It also offers solutions in ACH and credit card processing.