Which two protocols does the Cisco IM Presence service use to federate with external domains? (Choose two.)

Refer to the exhibit.

Users report that they are prompted to accept server certificates when they initially run Cisco Jabber. An engineer removes these prompts to prevent confusion. Which statement about this scenario is true?

Which two methods does Cisco Jabber use for contact searching in an on-premises deployment model?
(Choose two.)

A user complains that incoming calls are being forwarded to another extension before being transferred to voicemail. The user expects calls to be transferred to their voicemail faster if they do not answer the phone.
The administrator is managing calls with the supervised transfer option on a Cisco Unity Connection call handler. What should the administrator change to resolve this issue?

An engineer is working on a cisco unity Express system and notices that users that exist on the integrated cisco UCME are missing from Cisco Unity Express. Which two actions using the GUI resolve this discrepancy? (Choose two)