D-Link DFL-1600 User Manual page 187

18.4. H.323
WebUI
:
1. Outgoing Rule
Rules IP Rules
Enter the following:
Name: H323AllowOut
Action: Allow
Service: H323
Source Interface: LAN
Destination Interface: any
Source Network: lan-net
Destination Network: 0.0.0.0/0 (all-nets)
Comment: Allow outgoing calls.
Then click OK
2. Incoming Rule
Rules IP Rules
Enter the following:
Name: H323AllowIn
Action: Allow
Service: H323
Source Interface: any
Destination Interface: LAN
Source Network: 0.0.0.0/0 (all-nets)
Destination Network: lan-net
Comment: Allow incoming calls.
Then click OK
Using Private IP Addresses
This scenario consists of two H.323 phones, each one connected behind a
D-Link Firewall on a network with private IP addresses. In order to place
calls on these phones over the Internet, the following rules need to be added
to the rule listings in the firewall, make sure there are no rules disallowing
or allowing the same kind of ports/traffic before these rules. As we are
Add IP Rule:
Add IP Rule:
D-Link Firewalls User's Guide
167