1. The Supervisor selects the respective UCC.

  2. The Supervisor types the “List” command in the IM window.

  3. If there are active calls, the Supervisor will see an ordered list with all active calls.

  4. The Supervisor types the number of the call he/she wants to hear.

  5. The Supervisor is now successfully listening to the call, until it will be ended or exits the UCC.