Name,Description,Reference
end-of-stream,"This Notify-Reason value indicates the end of a media
      stream.",[RFC7826]
media-properties-update,"This Notify-Reason value allows the server
      to indicate that the properties of the media have changed during
      the playout.",[RFC7826]
scale-change,"This Notify-Reason value allows the server to notify
      the client about a change in the Scale of the media.",[RFC7826]
ice-restart,"This Notify-Reason value allows the server to notify
      the client about the need for an ICE restart. See Section 4.6 of [RFC7825].",[RFC7825]