Handle No Input in IVR App

I am using IVR studio to create an application and everything works great. However, when the program prompt for an answer and the user does not answer or take too long (meaning no input), the system hangs up. Is there a way to add a goto element when there is no input to prevent system from hanging up. Is there a system variable for no input?

Yes, there is a standard way to handle no input, not through a system variable but an exception. All you need to do is select the “noinput” for the transition as shown below: