Please follow the steps below to configure SPI phones as the devices.
Click on "Team," and then select "User Devices."
Click on the "Create User Device" button.
Here, you will find the several types of devices that you can configure. Select "sip_device".
Enter the name that you would like to assign to the device.
Enter the domain, the username, and the password on your SIP phone. To visualize the password, click the icon of the eye shape next to the password column.
Click "Create Device."
If there is any issue coming up during the process, please report it through the link below.