我正在使用C＃发送带有选项（Twimlet）的电话留言，供用户按1进行确认。如何从通话中获得响应？
代码在放置呼叫之前终止，我假设我需要使用呼叫sid查询twilio服务器？
static void Main(string[] args)
{
var twilio = new TwilioRestClient(AccountSid, AuthToken);
var options = new CallOptions();
options.Url = "http://twimlets.com/menu?Message=Please%20press%201%20to%20confirm%20or%20Press%202%20to%20cancel&Options%5B1%5D=http%3A%2F%2Ftwimlets.com%2Fmessage%3FMessage%255B0%255D%3DYou%2520have%2520confirmed%252C%2520Thank%2520you%2520good%2520bye.%26&Options%5B2%5D=http%3A%2F%2Ftwimlets.com%2Fmessage%3FMessage%255B0%255D%3DYou%2520have%2520selected%2520to%2520cancel.%2520Thank%2520you.%2520Good%2520bye%26&";
options.To = "+13105551212";
options.From = "+13105551213";
var call = twilio.InitiateOutboundCall(options);
Console.WriteLine(call.Sid);