All Voice Flows can be previewed directly inside the flow.
Open the Voice flow.
Click on the Preview button in the bottom right corner.
Press "Show transcript" to view a live transcript during the call.
Perform the test to see how the assistant behaves.
You can open the transcript in full screen by selecting the three dots and chosing "Open full-screen transcript" to get a shareable link to the call. For more information how the review process works, select the "Leaving feedback" option below.