An administrator wants to enable Extension Mobility Cross Cluster (EMCC) between two Cisco UCM clusters. Which two components must be configured to support this feature? (Choose two.)
An engineer configures Cisco Unified Communications Manager to prevent toll fraud. At which two point does the engineer block the pattern in Cisco Unified CM to complete this task? (Choose two.)
An administrator is troubleshooting an issue where an 8845 is not joining the correct voice VLAN configuration from a switch and they believe that LLDP is the issue. Which command allows the administrator to see the packets sent from the phone to the switch?
An engineer configures a Cisco UCM Survivable Remote Site Telephony (SRST) reference for a branch office. Which protocol does SRST use to allow phones to fail over and register with the local gateway during a WAN outage?