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Is the extension already created? If not, you will need to create an extension for the phone. See SETUP EXTENSIONS Manage Create 6 X
Next, on the admin web page, navigate to Setup -> Phones -> Digium Phones
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Press the Settings softkey on the phone.
Highlight Digium Configuration Server and press Select.
Press the [IP]/Host softkey
If you have a cloud server, using the keypad on the phone, enter the URL associated with your system (example.digiumcloud.net). If you purchased a PBX (hardware) and the phones and the server are on the same network, you can use the local IP address of the server, or the hostname.
In the Port field, enter 5060.
Press the Go softkey
When prompted, enter the Assignment Code (Global Configuration Password) you wrote down in the previous step.
If prompted, select the desired extension number from the list, or enter it from the keypad.
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