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You will land on the login page:
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The default User Name is admin
The default password is admin
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The form to edit the user will pop up.
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Full Name
Description of the user. You may leave this as is, or change it
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This will bring you to the network settings
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General Network Options
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This can either be left default or updated to your preferences.
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Here you may set a static IP for your system if you do not wish to use DHCP
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Static IP assignment
Change Obtain an IP Address via DHCP to NO
In System IP Address enter an IP address that is unique on the network
In Network Mask enter the appropriate netmask. Example 255.255.255.0
In Gateway Address enter the default gateway. Typically your router.
Click Save IP Configuration
In the popup click Continue
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Log in to the FreePBX UI
On the top menu click Connectivity
In the drop down click Trunks
On the landing page click Add SIP Trunk
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General Settings
Trunk Name
Give your trunk a descriptive name. We will use Digium Gateway
Outgoing Settings
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Trunk Name
Name your trunk, we will use DigiumGateway
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Delete contents. Leave blank.
Registration
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Register String
username:password@gatewayIP
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Click Submit Changes then press the Apply Config button at the top