{ "errcode": 0, "errmsg": "ok", "states": [ { "code": 0, "callid": "6-20190510201844181887818-4d0251082406000-out", "userid": "james" }, { "code": 0, "callid": "6-20190510201844181887818-4d025109f806000-out", "userid": "paul" } ] }