In the Chat feature in Cisco Unified Presence, which protocol is used for communication between clients?
A. XMPP
B. XCP
C. IRC
D. XCPP
E. XMMP
In the Chat feature in Cisco Unified Presence, which protocol is used for communication between clients?
A. XMPP
B. XCP
C. IRC
D. XCPP
E. XMMP