Which three options describe the main functions of SAF Clients? (Choose three.)
A. registering the router as a client with the SAF network
B. providing publishing services to the SAF network
C. subscribing to SAF network services
D. registering Cisco Unified Communications Manager subscribers with the publisher
E. starting Cisco Unified Communications Manager services throughout the cluster
F. integrating with Cisco IM and Presence for additional services
https://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/service-advertisement-framework-saf/whitepaper_c11-622512.html