When you deploy Cisco Unified Communications Manager, which two conditions must be met if you want to use Cisco Unity Express as a distributedvoice-mail solution? (Choose two.)
A. Voice mail must be accessible even in case of WAN failure.
B. Cisco Unity Express is operated with Cisco Unified Communication Manager Express because they are interoperable.
C. Bandwidth is available to enable voice mail to traverse the WAN by contacting a central voice-mail server.
D. There are no limitations on geographic coverage.
E. Cisco Unity Express must use Skinny Call Control Protocol (SCCP) to communicate with Cisco Unified Communication Manager Express.
F. Automated attendant must be accessible irrespective of WAN availability.
