Refer to the exhibit.
The Cisco Unified Communications Manager server 10.10.10.100 is not showing the conference bridge registered. A second server 10.10.10.101 exists in the Cisco Unified CM cluster.
Which option is the most important gateway change needed to register the hardware conference bridge with the Cisco Unified Communications Manager cluster?
A. Add the command sccp ccm 10.10.10.101 identifier 2 version 5.0.1.
B. Add the command sccp.
C. Add the command sip.
D. Create a VoIP dial peer from the gateway to the Cisco Unified Communications Manager server of 10.10.10.100.
