User Manual V
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IU 4350 Converged Network Appliance
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— Manually entering all clients that are allowed to use the system
— Running the system without the Client List lockdown feature until all
desired clients have registered
• Enabling this feature.
This feature is useful for lists involved with 911 usage.
When this feature is in effect, any message from an unauthorized SIP client
will be rejected with a “403 Forbidden” response. MGCP messages will be
discarded.
Enabling the Clients List Lock
To configure clients list lock, use the following steps:
6. Using the configuration graphical user interface, from the Configuration
Menu on the left-hand side, click VoIP ALG. The following window
appears.
3. On this screen, check “Enable Client List lockdown”.
4. Scroll to the bottom of the window and click Submit.