In this section:
Use this object to define ingress IP prefixes. Up to 128 Ingress IP Prefix entries may be assigned to a SIP trunk group. Ingress peers matching these ingress IP prefixes are assigned to the specified SIP trunk group.
On the SBC main screen, go to Configuration > System Provisioning > Category: Trunk Provisioning > Trunk Group > SIP Trunk Group > Ingress IP Prefix. The Ingress IP Prefix window is displayed. Use the drop-down lists to select the desired Address Context, Zone and SIP Trunk Group.
To create a new Ingress IP Prefix, click New Ingress IP Prefix on the Ingress IP Prefix List panel.
The Create New Ingress IP Prefix window is displayed.
Use the following table to specify its attributes and click Save. An Ingress IP Prefix cannot be edited after it is created.