Network engineers and systems administrators must demonstrate comprehensive proficiency in deploying and maintaining Avaya Aura Communication Manager, Session Manager, and System Manager within complex enterprise VoIP environments. Candidates analyze H.323 and SIP signaling protocols, configuring endpoints, media gateways, and survivability mechanisms across converged IP infrastructures. The assessment mandates expertise in implementing Avaya Aura Messaging, Session Border Controllers, and G450 media gateways while troubleshooting voice quality metrics and signaling synchronization. Proficiency in integrating CTI interfaces, managing dial plans, and executing sophisticated routing policies is essential to ensure high availability and end-to-end service continuity in diverse, large-scale distributed voice networks.