An incoming off-net call to a user fails. An engineer notices that the off-net call is G.711, but the phone accepts only G.729. Which media resource on a CiscoU...

An incoming off-net call to a user fails. An engineer notices that the off-net call is G.711, but the phone accepts only G.729. Which media resource on a CiscoUnified Border Element and Cisco Unified Communications Manager must the engineer configure to manage the codec negotiation?

A. transcoder B. CFB C. MOH D. MTP