Which two items are configured when deploying a B2B collaboration solution? (Choose two.) 

Answer options:

A. SIP trunk between Cisco Unified Communications Manager and Cisco Expressway-C
B. search rules in Cisco Expressway-E
C. SIP trunk between Cisco Unified Communications Manager and Cisco Expressway-E
D. traversal client on a Cisco Expressway-E
E. DNS zone on a Cisco Expressway-C

AB