Refer to the exhibit.
When a call between two HQ user was being conferenced with a remote user at the BR site, the conference failed. Which configuration would be needed to solve the problem?
A.
The BR_MRG must contain the transcoder device The BR_MRGL must be assigned to the BR phones.
B.
The HQ_MRG must contain the transcoder device The HQ_MRGL must be assigned to the HQ phones.
C.
A transcoder should be configured at the remote site and assigned to all remote phones through the BR_MRGL.
D.
The HQ_MRG must contain the transcoder device The HQ_MRGL must be assigned to the software conference bridge.
E.
Enable the software conference bridge to support G.711 and G.729 codecs in Cisco Unifled Communications Manager serivce parameter.