Which two are functions of Avaya Aura® Session Manager (SM)? (Choose two.)

Which two are functions of Avaya Aura® Session Manager (SM)? (Choose two.)
A . Act as an H.323 call controller.
B. Acts as a registrar to SIP endpoints.
C. Act as an H.323 routing engine.
D. Register digital (DCP) and H.323endpoints.
E. Act as a sophisticated SIP routing engine.

Answer: B,E