Which product enhances the SIP User experience by providing numerous end-user features?

The correct choice, Avaya Aura Communication Manager, significantly enhances the SIP user experience by providing a wide array of end-user features. This product is central to the Avaya Aura architecture, acting as the primary telephony engine that facilitates voice and video communications. It offers essential functionalities such as call processing, call control, and advanced telephony features, promoting an intuitive interaction for users.

Communication Manager also supports a rich set of telephony capabilities, including unified messaging, enhanced call handling options, and integration with various endpoints. These features are designed to improve productivity and flexibility for end-users, allowing for customization and adaptability to meet specific communication needs. Furthermore, it integrates seamlessly with other Avaya products, enriching the overall user experience through features such as presence, mobility, and collaboration tools.

The other products mentioned, while essential for different aspects of the Avaya Aura ecosystem, do not serve as the primary interface for end users in the same comprehensive manner. For instance, Application Enablement Services (AES) mainly provides APIs for application development rather than direct user features. Avaya Aura Session Manager acts as a routing and policy enforcement engine, and Avaya Aura System Manager primarily focuses on management and administration tasks rather than enhancing user-facing functionalities. Thus, Communication Manager stands out