Which two components must an engineer configure before configuring SIP route pattern? (Choose two.)

A.
route filter

B.
SIP trunk

C.
route partition

D.
calling search space

E.
SIP profile

Explanation:
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/8_6_1/ccmcfg/bccm-
861cm/b03siprp.html