Oracle Customer Care & Billing (CC&B) is a full-featured utility customer information system (CIS) that is meant to streamline organizations' customer service, billing, and revenue management. It is used extensively by utility firms, such as electricity, gas, water, and waste disposal companies, to process sophisticated customer interactions, meter management, billing operations, and payment. https://www.proexcellency.com/products/oracle-customer-care-billing-cc-b-certification-online-training