When a Cisco Unified Border Element is deployed to support RSVP-based CAC, which method is
required?

A.
RSVP-based CAC can be supported with either media flow-through or media flow-around if the
Cisco Unified Communication manager is configured as an RSVP agent B. RSVP-based CAC only
supports media flow-around

B.
The Cisco Unified Border Element does not have to participate in the RSVP message
exchange and will pass RSVP message through unchanged using media flow-around.

C.
RSVP-based CAC requires Cisco Unified Border Element to use media flow-through.

Explanation:
Linkhttp://www.cisco.com/en/US/prod/collateral/voicesw/ps6789/ps7046/ps6832/solution_overview_c2
2-521818.html