Refer to the exhibit. When a call between two HQ users is being conferenced with a remote user at BR, which configuration is needed?
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 the G.711 and G.729 codecs in Cisco Unified Communications Manager Service Parameters.
