What should be done after the initial configuration of the Cisco Unified Communications Manager and Cisco Unified Presence integration?

What should be done after the initial configuration of the Cisco Unified Communications Manager
and Cisco Unified Presence integration?

A.
Restart the Cisco SIP Proxy Server.

B.
Restart the Application Listener.

C.
Restart the Cisco Unified Presence Service.

D.
Restart the Cisco Unified Communications Manager Services.

E.
No action is required.