How to acquire add-on for Live Transcription (live captions) for UI Toolkit in Video SDK?

Video SDK
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My question: How to acquire and use the add-on “license” for Live Transcription (live captions) for UI Toolkit in the Video SDK for web.

I’m using Video SDK - UI Toolkit version 2.2.5-1, using vanilla JS for a web app — I’m on the pay-as-you-go SDK plan with 10K free minutes.

I have the the UI Toolkit web app working fine, but would like to add “Live Transcription” (translation not needed). According the Video SDK docs, to use live transcription an “add-on license” is required and to contact sales. I called Zoom sales and they were clueless about anything related to the SDK / UI Toolkit, and pointed me to a $5/month add-on for live captions, but the description for this in my suggested products page on my workplace account is that it’s for zoom workplace/meetings… makes no mention of SDK compatibility and the sales person did not know if it would work for enabling live captions in my UI Toolkit / SDK projects.

So, who do I contact to get this license, and what and how much is this add-on license (and if it’s available on some obscure account page, where would that be?). Strange that it is so hard to get info on this. The more recent forum responses about live captions for UI Toolkit simply say that all you have to do is enable “captions” in the featureOptions object in the config object, with no mention of needing an add-on license. BTW, I tried adding the caption option and it did not work in my UI Toolkit app.

As a second question, I’ like to confirm that this add-on (assuming there is one) would for sure work in UI toolkit, as opposed to only working in the full custom Video SDK environment.

If by chance no add-on is needed, despite what the docs say, what else do I need to do to make it work in UI Toolkit aside from enabling the “caption” property in featureOptions?

Any insights / solutions for these questions are much appreciated.

Thanks

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Well, no responses, so let me ask the question in a simpler/shorter/more direct way, as I’m sure many people here know how this works:
For those of you who are using live transcription (live captioning) with the Zoom Video SDK, how did you manage to get the needed Video SDK add-on “license” for live transcription?

(again, the Video SDK docs say to “contact sales” to get this add-on license, and I did contact them, but they only know about the $5/mo live captioning add-on which seems to only be intended for regular zoom workplace/meetings use – they were unaware of any add-on licenses for the Video SDK specifically)