With the Port Ranges tab of the Advanced Options function, you can set the range of ports on which internal signaling traffic will be received and sent. Use the following procedure to manage this feature.
Procedure
Log in to the EMS web interface with administrator credentials.
From the Device menu, click the SBC name to administer.
In the navigation pane, Network & Flows > Advanced Options.
Click the Port Ranges tab.
The EMS server displays the Port Ranges screen.
Enter the beginning and ending port numbers for each field.
