Hello,
I am still looking for IVR samples. But I do find some continuous sample code.
Continuous recognition code snippet is available here – https://learn.microsoft.com/en-us/azure/cognitive-services/speech-service/get-started-speech-to-text?tabs=windowsinstall&pivots=programming-language-csharp#continuous-recognition.
You may have to tweak one of the samples to process continuous recognition, as pointed out in L41 of C# sample. https://github.com/Azure-Samples/cognitive-services-speech-sdk/blob/31abbe1e4b6e3a0bc7d60a72fd3802cb928654dc/samples/csharp/sharedcontent/console/speech_recognition_samples.cs#L41
Will let you know any clue about IVR.
Regards,
Yutong