api.v0alpha.ListSmsSourceNumbersRes(ListSmsSourceNumbersRes)

{
    "sms_numbers": [
        {
            "sms_number_sid": 0,
            "country_sid": 0,
            "number": "string",
            "provider_name": "string",
            "notes": "string",
            "ivr_reference": "string",
            "client_name": "string",
            "isTollFree": true,
            "src_number_type": "string",
            "last_updated": "1s"
        }
    ]
}