Which Rule Is Required for Skype for Business Users to Use

Multiple Choice

Which rule is required for Skype for Business users to use spaces on a cluster of Cisco Meeting Servers?

A) an outbound call rule that maps the local contract domain as the cluster FQDN
B) an outbound call rule that sets each domain to use pass through as the caller ID
C) an inbound call rule that sets each domain to use pass through as the caller ID
D) an inbound call rule that matches the domain that users are calling