In the Cisco Unified Contact Center Enterprise solution, if the Cisco Unified Communications Manager subscriber for the Cisco voice gateway is down, how will incoming calls be treated?

A.
The call will get a “fast busy” and be terminated by the gateway.

B.
The voice gateway will reroute the call to a secondary CTI route point.

C.
The voice gateway will use the alternative/backup subscriber in the cluster for call control.

D.
The voice gateway will route around the subscriber to an IP IVR port.