Which of these determines the Cisco Unified Communications Manager server to which an IP phone
registers?

A.
The Cisco Unified Communications Manager group is configured with a Device Pool that designates
the primary, secondary, and tertiary servers in the group.

B.
Each IP phone is configured with a Device Pool containing the Cisco Unified Communications Manager
group that determines which server the IP phone will use as its primary, secondary, and tertiary server.

C.
Each IP phone is configured with its primary, secondary, and tertiary server.

D.
The Cisco Unified Communications Manager group is configured in the publisher to designate the IP
phone groups that will register with the primary, secondary, and tertiary servers in the group.