An outbound call is in progress through a Cisco Unified Border Element using G729r8 codec. And
it is dropped after 60 minutes. Root cause analysis revealed that ITSP signaled a codec change to
G711u. Which two Cisco Unified Border Element configuration changes will prevent this problem
from happening again? (Choose two)
A.
Configure the voice-class sip midcall-signaling block command on the outbound dial peer.
B.
Configure the midcall-signaling preserve-codec under voice service voip.
C.
Configure the voice class-codec command with G711u and G729r8 codecs on the outbound
dial peer.
D.
Configure the voice-class sip midcall-signaling preserve-codec command on the outbound
dial peer.
E.
Configure the midcall-signaling preserve-codec command under each outbound ITSP dial
peer.
F.
Configure the midcall-signaling passthru media-change command under voice service
voip.