What are two characteristics of Smart Card Authentication for Cisco UC Applications? (Choose two.)

A collaboration engineer is configuring service discovery for Cisco Jabber clients with an on-premises Cisco IM and Presence deployment Clients on the corporate network are working Clients on the public internet cannot locate the corporate services What must the engineer configure to enable service discovery for these clients?

Refer to the exhibit. A collaboration engineer is troubleshooting Cisco Unity Express integrated with Cisco UCME. Internal users and external callers report that calls to the auto-attendant are answered, but that greeting is not being played. Which two actions must the engineer take to resolve the issue? (Choose two.)

When implementing dialing behavior in Cisco Unity Connection, which feature prevents calls to long-distance or international phone numbers?

Which Cisco IM and Presence service must be activated and running for IM Presence to successfully integrate with Cisco Unified Communications Manager?