Assume that the Cisco IOS SAF Forwarder is configured correctly. Which minimum configurations on Cisco Unified Communications Manager are needed for the SAF registration to take place?

A.	SAF Trunk, SAF Security Profile, SAF Forwarder, and CCD Advertising Service
B.	SAF Trunk, SAF Security Profile, SAF Forwarder, and CCD Requesting Service
C.	SAF Trunk, SAF Security Profile, SAF Forwarder, CCD Requesting Service, and CCD Advertising Service
D.	SAF Trunk, SAF Security Profile, and SAF Forwarder
E.	SAF Trunk, CCD Requesting Service, and CCD Advertising Service