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> Chapter 33 - VoIP Solutions: SIP > The SIP ALG > Enabling VoIP support from the GUI

Enabling VoIP support from the GUI

Before you begin to configure VoIP security profiles, including SIP, from the GUI you should go to System > Feature Select and turn on VoIP (under Additional Features).

Also, VoIP security profiles are only available if the FortiGate or current VDOM Inspection Mode is set to Proxy-based in the System Information Dashboard widget. If the Inspection mode is set to Flow-based the inspection mode will not be visible from the System Information Dashboard widget. You must use the following CLI command to change the Inspection mode to proxy:

config system settings

set inspection-mode proxy

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