Which two Cisco Unified Communications Manager SIP profile configuration parameters for a SIP intercluster trunk are man

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Which two Cisco Unified Communications Manager SIP profile configuration parameters for a SIP intercluster trunk are mandatory to enable end-to-end RSVP SIP
Preconditions between clusters? (Choose two.)

A. Set the RSVP over SIP parameter to Local RSVP.
B. Set the RSVP over SIP parameter to E2E.
C. Set the SIP Rel1XX Options parameter to Disabled.
D. Set the SIP Rel1XX Options parameter to Send PRACK If 1xx Contains SDP.
E. Set the SIP Rel1XX Options parameter to Send PRACK for All 1xx Messages.
F. Check the Fall Back to Local RSVP check box.