Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Consolidated page parameter (deepObject style). Originally: page[size], page[number]
Specifies the sort order for results. If not given, results are sorted by created_at in descending order.
purchased_at, phone_number, connection_name, usage_payment_method "connection_name"
Consolidated filter parameter (deepObject style). Originally: filter[phone_number], filter[connection_name], filter[customer_reference], filter[voice.usage_payment_method]