Most people configure small deployments of SPA phones using the phone's web-UI at http://<PhoneIP>/admin/advanced
You could also take advantage of the phone's excellent provisioning capabilities by having the phone retrieve its configuration from a file.
The SPC utility is purpose-built for each version of phone firmware. This means that you should download a new SPC utility when you download new phone firmware. The SPC is available for both Windows and Linux and can be located by following these instructions.
Here’s a summary of what needs to be done to configure a phone from a file:
1. Run the SPC tool in order to generate a template from which to extract the desired parameters: