When using the Cisco Unified IP IVR in a Cisco Unified Contact Center Enterprise solution, what are three best practices to improve availability of the solution? (Choose three.)

A.
Add multiple duplex or redundant Cisco Unified IP IVRs to create a Cisco Unified IP IVR cluster.

B.
Use the Cisco Unified IP IVR high-availability option.

C.
Use the Cisco Unified Communications Manager call forwarding features on CTI route points and devices
associated with the Cisco Unified IP IVR.

D.
Use Cisco Unified Contact Center Enterprise scripting to control call delivery to Cisco Unified IP IVRs based on available trunks or peripheral status.

E.
Use default labels in the Cisco Unified Contact Center Enterprise routing scripts.

F.
Use default scripts in the Cisco Unified IP IVR.