Creating a NAT Qualified Prefix Table

  1. In the WebUI, click the Settings tab.

  2. In the left navigation pane, go to SIP > NAT Qualified Prefix Table.

  3. Click the Create NAT Qualified Prefix Table Entry ( ) icon at the top of the SIP NAT Qualified Prefix Tables page.
  4. In the Description field, enter a description for the table (this should be easily identified for configuring as part of the SIP Signaling Group).

  5. Click OK. The table is created.

Modifying a NAT Qualified Prefix Table

To modify an existing SIP NAT Qualified Prefix Table:

  1. Click the expand () Icon next to the entry you wish to modify.
  2. Edit the entry properties as required, see details below.

Creating a SIP NAT Qualified Prefix Entry

  1. In the left navigation pane, go to SIP >  NAT Qualified Prefix Table.
  2. Click the desired table.
  3. Click the Create NAT Qualified Prefix Table Entry ( ) icon at the top of the table.

  4. Configure the options. See details below for field definitions.

SIP NAT Qualified Prefix Table Entry Field Definitions

Description

A user-friendly description of the prefix entry. This table description is populated as an option for Inbound NAT Traversal in the Signaling Group. Maximum length: 64 characters.

IP Address

IP address component of the NAT Qualified Prefix. This combines with the Netmask to match against the incoming endpoint's IP to determine if it is behind a NAT.

Netmask

 The Netmask component of the NAT Qualified Prefix. This combines with the IP Address to match against incoming endpoint's IP to determine if it is behind a NAT.