Which protocol that is used between Cisco IM and Presence and Cisco Unified Communications
Manager is responsible for the exchange of phone state presence information?
A.
AXL/SOAP
B.
CTI/QBE
C.
SIP/SIMPLE
D.
LDAP
E.
XMPP
Explanation:
To provide interoperability between communications systems, SIP is the protocol
leveraged. Enterprise Presence solutions need to provide for a uniform definition of
the main communication services such as IM, voice, video, e-mail, web calendaring, and
so on, while SIP delivers the necessary features.