The Simple Call Interface defined in previous section is used for none-interactive call applications. For many applications, it is desirable to get responses from callees in addition to deliver a message. The interaction can be implemented by using the low level gateway VoiceXML interface. However, using the low level API is a time consuming and error prone task. A better solution is to utilize Voicent IVR Studio to create an interactive application, and use the extended Simple Call Interface to trigger a phone call.

call_ivr("650-1234567", "reminderApp")

call_status(reqId, responses)

The first line of code above triggers a call using a call message that is an interactive call application named "reminderApp". The second line of code gets the call status and responses.

The combination of Gateway Simple Call Interface and Voicent IVR Studio provides two key benefits:

• Fast creation of complex interactive call applications by using Voicent IVR Studio's GUI design environment. No need to worry about the low level VoiceXML and JSP code.
• You can use almost any program language for using the Simple call interface.

Voicent IVR Studio

Voicent IVR Studio is a tool for designing almost any interactive voice and text applications. Besides the GUI design environment, it contains built-in support for database, web site, email, and other software products.

The following figure shows a simple reminder application that collects a confirmation.

Deploy Your App and Start Calling

Once you designed your IVR Application using IVR Studio, you need to deploy it to Voicent Gateway. Once deployed, you can use the simple call interface API shown above to trigger a call and check the confirmation. The following are links to the extended gateway API:

• Perl Interface
• PHP Interface
• C++ Interface
• Java Interface
• C# Interface
• Visual Basic Interface
• Python Interface
• Tcl/Tk Interface