Which two statements about combining IP telephony and Cisco Unified Contact Center Enterprise Extensions on the same IP

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Which two statements about combining IP telephony and Cisco Unified Contact Center Enterprise Extensions on the same IP phone are true? (Choose two.)

A. Cisco Unified CCE supports only one agent ACD line on the IP phone.
B. The ACD line on the IP phone may have voicemail or call forwarding defined.
C. In a typical call center, the ACD line is the first line on the phone to make it easier for the agent to forward inbound ACD calls.
D. The agent state changes based on the activity of the ACD line.
E. If the agent picks up the phone to place a call, the agent is put into ready mode.