What are the characteristics of a Half Call Model that is used by Avaya Aura® Session Manager (SM)?

A. Half of the call is processed by SM, and the other half is processed by an Application Server.

B. SIP User Agents are sent to application server(s) defined by Origination Application Sequence for originated calls and Termination Application Sequence for terminating calls.

C. SMa works for incoming calls and the SMb works for outgoing calls.
D. Half of the call is processed by SM and subsequent processing is performed by Avaya Aura® Communication Manager (CM).