Which two of these 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 SIP.
B. All media resources register with Cisco Unified Communications Manager.
C. Signaling between Cisco Unified Communications Manager and hardware media resources uses the same protocol as the call-signaling type
D. Audio streams always use RTP or SRTP
E. There are no situations in which IP phone-to-IP phone audio streams will go directly between endpoints.
