What would be required to enable these calls to setup correctly?

exams 300-820 300-820 exam 0 Comments

Refer to the exhibit.

In an environment SIP devices are registered to CUCM and H.323 devices to VCS.

What would be required to enable these calls to setup correctly?
A . Create a presearch transform.
B . Change the domain of SIP endpoint A to cisco.com.
C . Disable SIP in the external zone.
D . Change the interworking mode to On.

Answer: D