You can use moderation methods for the following:
The OpenTok.js SDK and the REST API include methods to force clients to disconnect from a session:
The OpenTok.js SDK includes a method for moderators to force a publisher of a stream to stop streaming to the session. See the OpenTok.js moderation developer guide.
The Vonage Video API client SDKs include methods that allow moderators to force clients to mute audio in streams they publish.
See the following: