Click the Barge In icon to enter the active call. The Service Observing work item (with a binocular icon) interaction appears on the supervisor screen, with the Barge In and Listen In toggle buttons. When you switch to the Barge In option, you to enter in to the agent-customer interactions area, and when you switch to the Listen In option, you to listen to the agent-customer interaction. By default, the Listen in option is turned on.
The agent's work item window expands to display the supervisor name and an Observing tag to indicate the supervisor intervention.