Oracle CRM claims it operates from “complete CRM” approach that seeks to engage and transact with customers and analyze customer and user data. On top of the “Rolodex” function that is the core of every CRM is the foundational layer containing Oracle Marketing Intelligence, Oracle Sales Intelligence, and Oracle Customer Intelligence. Three clusters of applications stand on this foundation:  Marketing: Oracle Marketing Online, Marketplace, and Oracle Trade Management Sales: Oracle Telesales, Oracle Sales Online Mobile/PDA, Oracle iStore, Oracle iPayment Service: Oracle Teleservice, eMail Center, Oracle Service Online Mobile/PDA, Oracle iSupport These clusters integrate with one another and other applications, such as Oracle’s ERP applications and third-party office applications.