System administrators and implementation engineers must demonstrate mastery over Avaya Aura Communication Manager and Call Center Elite architecture to optimize contact center operations. Candidates configure Automatic Call Distribution logic, vector processing, and skill-based routing while integrating advanced features like Expert Agent Selection and Call Vectoring. The curriculum mandates deep proficiency in implementing Call Management System reporting, Computer Telephony Integration, and Vector Directory Numbers to facilitate complex call flows. Troubleshooting proficiency is essential for identifying signaling bottlenecks, managing enterprise-level dial plans, and ensuring seamless interoperability within high-availability VoIP environments. Practitioners must effectively manage system maintenance, parameter tuning, and database administration to guarantee enterprise-grade reliability.