Which describes what could do on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?

Which option mandates that calls fall back to unencrypted media if encryption cannot be established?

Refer to the exhibit.

While troubleshooting Cisco Jabber login issues, there are some error messages. Why is the Jabber client unable to sign in?

Which DNS record and port combination must be resolved externally for Mobile and Remote Access to be used?

An engineer is deploying Mobile and Remote Access to allow external Cisco Jabber users to sign into a Cisco UCM cluster via Cisco Expressways. The users will sign-in in the format [email protected]. Contact photos for Jabber are hosted on a webserver with the FQDN of phonebook cisco.com. Which configuration must be completed to allow external Jabber users to see contact photos?