Ericsson OSSEricsson Operations Support Systems (OSS) Services simplify the introduction of new services and technologies while assuring customer, service and network quality and performance. Through automation and analytics, Ericsson's OSS services help operators deliver customer experiences while monetizing infrastructure investments. Part of Ericsson Systems Integration services portfolio, Ericsson Operations Support System Services provide a full set of transformative services, solutions and capabilities. Nokia OSS engagement model embraces strategic assessment, planning and design, implementation, and continuous operation and support. It help evolve operator OSS into business assets that enable revenue generation, customer experience and operations and technology migrations.