An engineer is configuring Cisco Unity Connection to provide messaging services and needs to designate a set of phone numbers to be used for transferring calls within the organization to prevent toll fraud. Which mechanism in Cisco Unity Connection should be modified to accomplish this goal?

Which SIP request type is used by Cisco Unity Connection to inform Cisco Unified Communications manager that the Message Waiting Indicator must be turned on or off for a specific line?

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

Which dial-peer configuration routes calls from SIP-based phones on Cisco Unified Communications Manager Express to Cisco Unity Express?

Fraudulent calls are being made from Cisco Unity Connection. Which action prevents the calls from reaching the PSTN using SCCP integration?