In a Cisco Unified Contact Center Enterprise deployment, with IP IVR for queuing, if the Cisco
Unified Communications Manager subscriber of the agent fails, which is the expected result?

A.
The call in progress is not affected, but the agent can only use the CTI desktop for transfer and
conference functions.

B.
The call in progress is put on hold while the phone reregisters to another subscriber in the
cluster and is automatically reconnected when the phone is reset.

C.
The call in progress is not affected; however, the phone reregisters at the end of the call.

D.
The call in progress is not affected, and the agent can transfer and conference and perform
other phone features without any effect.