You want to set up calls from endpoints registered to Cisco Unified Communications Manager to video endpoints registered in Expressway. How do you set up the configuration in Cisco Unified CM?

A.	Set up a SIP trunk
B.	Create a SIP route pattern as IP address routing using the Expressway domain with destination as the SIP trunk that points to the Expressway.
C.	Create a route pattern and assign the SIP trunk that points to the Expressway.
D.	Create a SIP route pattern as domain routing using the Expressway domain, with destination as the SIP trunk that points to the Expressway.