In Cisco Unified Communications Manager IM and Presence Service, what is the role of the AXL/SOAP interface?

A.	It provides LDAP authentication for users of Cisco Jabber.
B.	It handles database synchronization by pulling information from the Cisco UnifiedCommunications Manager database and populating the Cisco Unified Communications Manager IM and Presence Service database.
C.	It allows users to control their phones.
D.	It handles presence information exchange and instant messaging.