The Voice API is not handled by us. Currently its handled by Google, please contact us immediatly if this feature is not avalable for the bot anymore.
We will contact Google directly about this issue and talk to them to resolve it as soon as possible. 

Please create a ticket on this platform about the issue for us to keep track of them.

We thank you a lot for using Zuse and shaping Discord into a new platform this way.
Normally these kinds of issues are resolved in a time of 24-48 Hours.