using System;               

using System.Collections.Generic;

using System.Linq;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

public class Program

{

    // Solution to SO Question: http://stackoverflow.com/q/27217095/325521

    // This Answer: http://stackoverflow.com/a/27238215/325521

    // Author: Shiva Manjunath

    // SO Profile: http://stackoverflow.com/users/325521/shiva

    public static void Main()

    {       

       string jsonString = @"{

                             ""response"" : {

                              ""method"" : ""my.current.method"",

                              ""result"" : {

                                 ""current_calls"" : {

                                    ""current_call"" : [

                                       {

                                          ""provider"" : ""ABC"",

                                          ""start_time"" : ""2014-11-30 02:24:52"",

                                          ""duration"" : ""5"",

                                          ""to_caller_id_number"" : ""800"",

                                          ""state"" : ""ivr"",

                                          ""from_caller_id_name"" : ""<unknown>"",

                                          ""to_caller_id_name"" : ""Main Answer Queue"",

                                          ""format"" : ""ulaw"",

                                          ""from_caller_id_number"" : ""1234567890"",

                                          ""id"" : ""SIP/1234567890-08682a00""

                                       },

                                       {

                                          ""provider"" : ""ThinkTel"",

                                          ""start_time"" : ""2014-11-30 02:24:50"",

                                          ""duration"" : ""7"",

                                          ""to_caller_id_number"" : ""800"",

                                          ""state"" : ""ivr"",

                                          ""from_caller_id_name"" : ""<unknown>"",

                                          ""to_caller_id_name"" : ""Main Answer Queue"",

                                          ""format"" : ""ulaw"",

                                          ""from_caller_id_number"" : ""0123456789"",

                                          ""id"" : ""SIP/0123456789-08681350""

                                       }

                                    ],

                                    ""total_items"" : ""2""

                                 }

                                }

                              }

                            }";

        Console.WriteLine("BEGIN JSON Deserialization\n");

        var callData = Newtonsoft.Json.JsonConvert.DeserializeObject<CallData>(jsonString);

            // extract the current list of calls in the response

        var callsList = callData.response.result.current_calls.current_call;

            // check if there are any calls

        if (callsList.Any())

        {

            Console.WriteLine("    Number of Call Records Received via JSON = {0}\n", callsList.Count());

            int i = 1;

                // print out call details for each call.

            foreach(var oneCall in callsList)

            {

                Console.WriteLine("    Call #" + i);

                Console.WriteLine("      provider: " + oneCall.provider);

                Console.WriteLine("      start_time: " + oneCall.start_time);

                Console.WriteLine("      duration: " + oneCall.duration);

                Console.WriteLine("      to_caller_id_number: " + oneCall.to_caller_id_number);

                Console.WriteLine("      state: " + oneCall.state);

                Console.WriteLine("      from_caller_id_name: " + oneCall.from_caller_id_name);

                Console.WriteLine("      to_caller_id_name: " + oneCall.to_caller_id_name);

                Console.WriteLine("      format: " + oneCall.format);

                Console.WriteLine("      from_caller_id_number: " + oneCall.from_caller_id_number);

                Console.WriteLine("      id: {0}\n", oneCall.id);

                i++;

            }           

        }

        Console.WriteLine("\nEND JSON Deserialization");

    }

}

​

public class CurrentCall

{

    public string provider { get; set; }

    public string start_time { get; set; }

    public string duration { get; set; }

    public string to_caller_id_number { get; set; }

    public string state { get; set; }

    public string from_caller_id_name { get; set; }

    public string to_caller_id_name { get; set; }

    public string format { get; set; }

    public string from_caller_id_number { get; set; }

    public string id { get; set; }

}

​

public class CurrentCalls

{

    public List<CurrentCall> current_call { get; set; }

    public string total_items { get; set; }

}

​

public class Result

{

    public CurrentCalls current_calls { get; set; }

}

​

public class Response

{

    public string method { get; set; }

    public Result result { get; set; }

}

​

public class CallData

{

    public Response response { get; set; }

}