Which two protocols does the Cisco IM Presence service use to federate with external domains? (Choose two.)
A. XMPP
B. SNMP
C. SIP
D. SCCP
E. SMPP
Which two protocols does the Cisco IM Presence service use to federate with external domains? (Choose two.)
A. XMPP
B. SNMP
C. SIP
D. SCCP
E. SMPP