Example FortiGate Voice branch office configuration Adding extensions for users behind a NAT device
FortiGate Voice Version 4.0 Administration Guide
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5 If the FortiFone can successfully connect to and register with the FortiGate Voice unit
the Status of the FortiFone changes to Registered.
If Status does not change to Registered you should verify the Register Name or re-
enter the Password. You should also confirm that the Domain Server and Proxy Server
IP addresses are correct.
Adding extensions for users behind a NAT device
When adding an extension for any SIP phone with a NAT device between the phone and
the FortiGate Voice unit you must enable NAT in the FortiGate Voice extension
configuration for the phone. You can enable NAT only from the CLI. This applies whether
the phone is on a remote network behind a NAT device or behind a NAT device on the
internal network.
To add an extension for a SIP phone behind a NAT device
The following procedure describes adding the extension from the FortiGate Voice CLI
because you must use the CLI to enable NAT. You could add the extension from the
web-based manager and then edit the extension from the CLI to enable NAT.
The following configuration is the same whether the phone is behind a NAT device on the
internal network or on a remote network,
1 Connect to the FortiGate CLI.
2 Enter the following command to add extension 6010.
The command includes setting nat to yes to enable NAT.
config pbx extension
edit 6010
set first-name <first_name_str>
set last-name <last_name_str>
set email <email_str>
set secret <password_str>
Active On
Display Name The name to be displayed on the phone. This name is only
displayed on this phone. When this phone calls another phone
the name displayed is the First Name and Last Name added to
the FortiGate Voice Extension configuration.
Line Number 6001
Register Name The Register Name is used to authenticate the phone with the
FortiGate Voice unit and must ben an exact match with a First
Name and Last Name added to the FortiGate Voice Extension
configuration. Separate the First Name and Last Name with a
space.
For example, in the FortiGate Voice Extension configuration if the
First Name is Example and the Last Name is User then the
Register Name must be Example User.
Register Password The Password added to the FortiGate Voice Extension
configuration. The Register Name and Register Password are
used to authenticate the phone with the FortiGate Voice unit.
Domain Server 172.20.120.10
The IP address of the FortiGate Voice internal interface.
Proxy Server 172.20.120.10
The IP address of the FortiGate Voice internal interface.
Outbound Proxy Leave this field blank.
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