查询回调配置

https://xxxxxx/v1/callback/get?sdkappid=88888888&identifier=admin&usersig=xxx&random=99999999&contenttype=json

{

}

{
    "errorCode": 0, 
    "errorMessage": "Success",
    "requestId": "355c3c394f0602ed81a13c34999abebb", 
    "data": {
        "actions": [ 
            "call_busy",
            "normal_end"
        ],
        "address": "http://www.example.com/callback" 
    }
}