Open up MicroSIP and click on "Menu -> Add 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
To enable encryption simply change the "Media Encryption" to "Mandatory" and "transport" to "TLS".