In an Avaya Aura® Presence Services (PS) message flow, which type of message does a Remote Worker first send to PS?
In an Avaya Aura® Presence Services (PS) message flow, which type of message does a Remote Worker first send to PS?
In an Avaya Aura® Presence Services (PS) message flow, the Remote Worker first sends a SUBSCRIBE message to PS. SUBSCRIBE messages are used in SIP (Session Initiation Protocol) for a user to request current state and to register for receiving state updates, which aligns with the purpose of presence services. Other message types like NOTIFY, OPTIONS, and REGISTER serve different functions in SIP communications.
Correct answer is "B". https://andrewjprokop.wordpress.com/2014/05/20/implementing-presence-with-sip/
The answer should be B.