Which two protocols does Jabber use to achieve Presence status? (Choose two.)
A. SIP/SIMPLE
B. XMPP
C. SCCP
D. MGCP
E. SOAP
Which two protocols does Jabber use to achieve Presence status? (Choose two.)
A. SIP/SIMPLE
B. XMPP
C. SCCP
D. MGCP
E. SOAP