A technician is preparing to activate the needed services in Cisco Unified Communications Manager to integrate with an IM and Presence server. Which four services must be enabled? (Choose four.)
A. Cisco TFTP
B. Cisco AXL Web Service
C. Cisco CTI Manager
D. Cisco Messaging Interface
E. Cisco Intercluster Lookup Service
F. Cisco Extended Functions
G. Cisco Unified Communications Manager
H. Cisco Directory Sync
