Open up Linphone and click on "SIP Account" entering the information from your Device in the dashboard. Ensure to replace "test.nurango.io" with your own domain.
Note that the Outbound Proxy was located in your welcome email. If you need it agian, please email firstname.lastname@example.org
Next click the menu icon in the top right and goto "Preferences".
Edit the "SIP Server address" replacing "sip.proxy" with our real Proxy address.