You discover that a CCD client is failing to learn patters with RTMT.
Which two actions can you take to troubleshoot the problem?

A.	Verify that SIP trunk between Cisco Unified Communications Manager and the Cisco Unified Presence Server is configured correctly.
B.	Verify that the trunk is selected for the CCD advertising service.
C.	Verify that the trunk is selected for the CCD requesting service.
D.	Verify that EIGRP topology information is available to the SAF Forwarders.
E.	Verify the SAF configuration.