public Dictionary <string, string> SendSMS(string To, string Body)
        {
            Dictionary <string, string> resp = null;

            try
            {
                //  resp = this[2].SendSMS(To, Body);
                resp = Primary.SendSMS(To, Body);

                Console.WriteLine("SMS Send With Primary");
            }
            catch
            {
                try
                {
                    if (FallBack != null)
                    {
                        resp = FallBack.SendSMS(To, Body);
                        Console.WriteLine("SMS Send With Secondary");
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine("SMS Sending Failed: " + ex.StackTrace);
                }
            }
            return(resp);
        }