When a Simple SIP Phone (SST), without CM Features, registers to Avaya Aura® Core, the IP Address of which interface must be configured at the endpoint for registration?

A. Avaya Aura® Session Manager SM100 IP Address

B. Avaya Aura® Session Manager Management IP Address
C. Avaya Aura® System Manager IP Address
D. Avaya Aura® Communication Manager IP Address.