Immediately after Registration, how does an Avaya SIP telephone learn if any of its Call Forward features are active right now?
A . It queries the LDAP database for active feature status.
B . It sends a Subscribe – avaya-cm-feature-status event package to Aura® Communication Manager (CM) via Aura® Session Manager (SM).
C . It sends a PPM getDeviceData request to Aura® Session Manager (SM); Aura® Session Manager (SM) replies with a getDeviceData response.
D . It sends a Subscribe – avaya-ccs-profile event package to Aura® Session Manager (SM); Aura® Session Manager (SM) in turn replies with a Notify-avaya-ccs-profile.
Answer: B