Disable audio controls passing from remote controller/viewer to host

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Hi,

We have windows computers running broadcast audio, that we occasionally need to TeamViewer onto.

We've had an occurrence that someone muted their laptop, using the function buttons on their laptop, while viewing the a server ... this command got passed through to the server and ended up muting the broadcast stream. Thankfully we were not on air, but its a scenario we want to avoid.

We have processes in place to try and prevent this, but... accidents happen, and hence we're looking for a way to disable these keyboard controls from being passed to the host. Happy for this to either be some configuration on the server host, or a policy applied to user/host from central admin.

Any ideas?