static void Main(string[] args)
    {
        // Find your Account Sid and Auth Token at twilio.com/user/account
        string AccountSid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
        string AuthToken = "your_auth_token";
        var twilio = new TwilioRestClient(AccountSid, AuthToken);

        var request = new ConferenceListRequest();

        var conferences = twilio.ListConferences(request);

        foreach (var conference in conferences.Conferences)
        {
          Console.WriteLine(conference.Status);
        }
    }
    static void Main(string[] args)
    {
        // Find your Account Sid and Auth Token at twilio.com/user/account
        string AccountSid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
        string AuthToken = "your_auth_token";
        var twilio = new TwilioRestClient(AccountSid, AuthToken);

        var request = new ConferenceListRequest();
        request.Status = "in-progress";
        request.DateCreatedComparison = ComparisonType.GreaterThanOrEqualTo;
        request.DateCreated = new DateTime(2009, 07, 06);
        var conferences = twilio.ListConferences(request);

        foreach (var conference in conferences.Conferences)
        {
          Console.WriteLine(conference.Status);
        }
    }