Go back to 642-445 - Cisco IP Telephony for Release 5.x

Question :-

How does the Cisco Unified CallManager use RSVP?
it uses RSVP bandwidth and zones to determine how and if calls can be placed
it uses the RSVP-configured bandwidth between sites as a method of determining if there is sufficient bandwidth for a call
it initiates RSVP reservations from the Cisco Unified CallManager server, which is an active participant in the reservation process
it uses an RSVP-enabled infrastructure and an RSVP agent controlled by Cisco Unified CallManager to request a bandwidth reservation from the network in order to place a call
it uses RSVP reservations to request double the bandwidth so calls can flow in both directions

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