MediaStreamTrack - Web APIs
the muted property is changed to true, indicating that the track is unable to provide data temporarily (such as when the network is experiencing a service malfunction). also available using the onmute event handler property. isolationchange sent whenever the value of the isolated property changes due to the document gaining or losing permission to access the track. also available through the onisolationchange event handler property. overconstrained sent when the constraints specified for the track cause the track to be incompatible and therefore to not be used. also available through the onoverconstrained event handler property. unmute sent to the track when data becomes available again, ending the muted state. also available through the onunmute event handler property. specifications ...

RTCPeerConnection - Web APIs
the onicegatheringstatechange event handler property. isolationchange sent to the rtcpeerconnection when the isolated property on one of the mediastreamtrack objects associated with the connection changes value. a track is isolated if its content cannot be accessed by the owning document due to lack of authentication or if the track comes from a cross-origin source. also available through the onisolationchange event handler property. negotiationneeded sent to the rtcpeerconnection when negotiation or renegotiation of the ice connection needs to be performed; this can happen both when first opening a connection as well as when it's neccessary to adapt to changing network conditions. the receiver should respond by creating an offer and sending it to the other peer. also available as the onnegotiationn...