What component does Cisco Unified Communications Manager Express use to match outbound
dial peers?

A.
destination pattern

B.
incoming called-number

C.
calling number ANI

D.
answer-address

E.
port or session target

Explanation:
When a router receives a voice call, it selects an outbound dial peer by comparing
the called number (the full E.164 telephone number) in the call information with the number
configured as the destination pattern for the POTS dial peer
Link:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/admin/configuration/guide/cmedialp.html