What is the characteristic of the Half Call Model used by Avaya Aura Session Manager?

The chosen answer emphasizes the role of the Avaya Aura Session Manager in directing SIP User Agents to specific application servers according to defined application sequences. This characteristic highlights the Session Manager's ability to manage call flows and direct traffic intelligently based on predefined rules and application requirements. It reflects the flexibility and control that the Session Manager provides within the Avaya environment, allowing for applications to handle various stages of call processing while ensuring that the call setup, routing, and maintenance can be aligned with business needs.

This aspect is integral to the Avaya system because it enables seamless integration with various application servers, enhances scalability, and allows for dynamic handling of communications without compromising the user experience.

The other options describe different interpretations of the Half Call Model but do not capture the core intent of Session Manager's functionality as accurately. The focus in option B on the application sequence ties directly into how Session Manager orchestrates SIP communications within the architecture, encompassing both call management and application integration effectively.