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
B . 323 call controller.
C . Acts as a registrar to SIP endpoints.
D . Act as an
E . 323 routing engine.
F . Register digital (DCP) and
G . 323endpoints.
H . Act as a sophisticated SIP routing engine.

Answer: B,E