A voice-mail product that supports only the G.711 codec is installed in headquarters.
Which action allows branch Cisco IP phones to function with voice mail while using only the G.729
codec over the WAN link to headquarters?
A.
Configure Cisco Unified Communications Manager regions.
B.
Configure transcoding within Cisco Unified Communications Manager.
C.
Configure transcoding resources in Cisco IOS and assign to the MRGL of Cisco IP phones.
D.
Configure transcoder resources in the branch Cisco IP phones.