Which ability does the Survivable Remote Site Telephony feature provide?
A.
a means to allow the local site to continue to send and receive calls in the event of a WAN failure
B.
a means to route calls on-net through other sites during high utilization periods
C.
a method that allows for backup calls in the event that your gateway fails
D.
the ability to force a call out of a certain trunk when the Cisco Unified Communications Manager
is being upgraded
Explanation: