private static string ConvertTransfer(global::VoiceModel.Transfer model)
        {
            Tropo tmodel = new Tropo();

            ConvertPromptList(model.prompts, model.json, ref tmodel);
            ConvertTransfer(model, ref tmodel);
            tmodel.On("continue", model.nextUri, null);
            return(tmodel.RenderJSON());
        }
        private static void ConvertTransfer(global::VoiceModel.Transfer model, ref Tropo tmodel)
        {
            List <string> toList = new List <string>();

            toList.Add(model.destination);

            TropoCSharp.Tropo.Transfer xfer = new TropoCSharp.Tropo.Transfer()
            {
                To   = toList,
                From = model.from
            };
            tmodel.Transfer(xfer);
        }