In this section:
The NAT Direct Media Group is a collection of public signaling IP addresses for NAT devices supporting Direct Media (DM). A NAT Direct Media Group name can be maximum of 32 characters; however, “0.0.0.0” (IPv4) and “::0” (IPv6) are not allowed.
To allow Direct Media between NAT devices, or between NAT and Non-NAT devices, the following configuration is necessary.
Direct Media Allowed Behind NAPT
and DM flags at the Trunk Group level.Direct Media is disallowed under following conditions:
Direct Media Allowed Behind NAPT
flag is disabled.Direct Media Allowed Behind NAPT
flag is enabled and Signaling IPs of the NAT devices do not match.On the SBC main screen, navigate to All > Address Context > Nat Direct Media Group.
The Nat Direct Media Group can be checked for each Address Context or for all the Address Contexts created. Use the drop-down box to select the desired Address Contexts.
The Nat Direct Media Group window is displayed.
To edit any of the Nat Direct Media Group in the list, click the radio button next to the specific Nat Direct Media Group name.
The Edit Selected Nat Direct Media Group window is displayed below.
The object Nat Direct Media Group cannot be edited as the fields are read-only.
To create a new Nat Direct Media Group, click New Nat Direct Media Group tab on the Nat Direct Media Group List panel.
The Create New Nat Direct Media Group window is displayed.
The following field is displayed:
To delete any of the created Nat Direct Media Group, click the radio button next to the specific Nat Direct Media Group which you want to delete.
Click Delete at the end of the highlighted row. A delete confirmation message appears seeking your decision.
Click Yes to remove the specific Nat Direct Media Group from the list.