With which two users can Avaya Multimedia Messaging (AMM) subscribers exchange text-based Instant Messages? (Choose two.)

A. AMM users outside of the customer enterprise
B. Other AMM users within the customer enterprise

C. Presence-enabled users within the customer enterprise

D. Microsoft Lync-enabled users within the customer enterprise

E. Microsoft Lync-enabled users outside of the customer enterprise

Reference https://downloads.avaya.com/css/P8/documents/101041354