D-Link DFL-2500 User Manual
Page 168
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Service: H323-Gatekeeper
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Source Interface: dmz
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Destination Interface: vpn-hq
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Source Network: ip-branchgw
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Destination Network: hq-net
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Comment: Allow the Gateway to communicate with the Gatekeeper connected to the Head Office
3.
Click OK
Note
There is no need to specify a specific rule for outgoing calls. NetDefendOS monitors
the communication between "external" phones and the Gatekeeper to make sure that it
is possible for internal phones to call the external phones that are registered with the
gatekeeper.
6.2.8. H.323
Chapter 6. Security Mechanisms
168