Model Details: device/skypeforbusinessonline/CsOnlinePstnUsage
An asterisk * in the title indicates the field is mandatory.
If a field has a default value, it is shown in the Description column.
If the field type is an array, the Field Name has a .[n] suffix, where n is the array index placeholder.
Object and array field names are listed to provide context. If a field belongs to an object or an array,
the full field name is shown in dot separated notation.