Additional sections:
In the EMA, navigate to All > Address Context > Zone > Filter SIP Src.
The window Filter SIP Src appears. It contains two drop-down menus - Address Context and Zone.
Select the appropriate values from the drop-down menus Address Context and Zone. After selection, the frame Edit Filter SIP Src appears.
Make necessary changes for the field State, then click Save to save the modifications. Click Undo Edits to cancel all changes since the last saved configuration. On saving the changes successfully, the Success message appears. Click Ok to proceed.