On a Cisco Catalyst Switch, which command is required to send CDP packets on a switch port that configures a Cisco IP phone to transmit voice traffic in 802.10 frames, tagged with the voice VLAN ID 221?
An administrator must ensure that all participants entering a Webex Meeting are held in a lobby until the host explicitly admits them Which setting must the administrator configure for the meeting or site*?

Refer to the exhibit An engineer is troubleshooting issues with outbound calls after adding a new route pattern on Cisco UCM Which tool will the engineer use to troubleshoot the issue?

Refer to the exhibit. Cisco Unified element is attempting to establish a call with Subcribers1, but the call fails. Cisco Unified Border Element then retries the same call with Subcribers2, and the call proceeds normally.
Which action resolves the issue?