Which two describe how media resources and audio streams operate with Cisco Unified Communications Manager? (Choose two.)
A . Audio streams are terminated differently depending on the signaling protocol, such as SCCP or SI
C . Audio streams are always terminated by media resources.
D . All media resources register with Cisco Unified Communications Manager.
E . There are no situations in which IP phone-to-IP phone audio streams will go directly between endpoints.
F . Signaling between Cisco Unified Communications Manager and hardware media resources uses the same protocol as the call-signaling type.
Answer: BC