What does the term IVR call mean?

IVR stands for Interactive Voice Response. In modern contact centers it is being used to offer lots of services. Frankly, now things are much more then having a simple static IVR system. IVR systems are more interactive, intelligent (in some extend) and responsive.
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https://www.quora.com/What-does-the-term-IVR-call-mean-How-does-it-work
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