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Determine all of the recorded sounds you want to play for the caller (instructions, information, etc.) and create those sounds in the Media > Sound Manager.
Determine which extensions the caller might end up being transferred to and create an IVR menu for each one. (Those menus would have a Dial Extension action.)
Determine the factors that might change your IVR and build an IVR menu to handle each situation. For example, if your IVR behaves differently during regular business hours than after hours, or if it behaves differently based on a zip code the caller provides, you need to create an IVR menu for each situation.
After you have your sounds and a set of component IVRs built, then you can create the Main IVR Menu that answers your calls.
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After you are done building your main IVR, you need to create an extension that reaches it. For details, see IVR Extensions. Also, if you want all calls from your phone service provider to go to your main IVR, you can set that provider’s Callback Extension to the extension of your main IVR.
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