Application Testing by Simulation > About Testing Applications by Simulation
	About Testing Applications by Simulation

The simulation and debugging tools in Dialog Designer make it possible for you to test virtually every part of your speech application project before you deploy it to a live IVR system. This means that you can spend less time having to test and debug your speech applications on the target system. It also means less time that the IVR system must be out of operation while you install new applications.

See the following sections:

• What Can Be Tested by Simulation

• Limitations When Testing by Simulation

• Debugging Features

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