&noaudiois an alternative option that will block audio tracks from connecting in the first place. It can't be toggled on and off though, like
&mutespeakercan be though.
0to have the mute button start unmuted. By default, the director joins with their speaker output muted, so this option can be used to have the director join unmuted instead.
&mutespeakerparameter used by VDO.Ninja, but other sites that are shared may not respect it.
&muteto a meshcast.io link itself, when sharing it, which will mute just the meshcast video by default for others. This can be useful to avoid echo cancellation issues that sometimes are created when sharing meshcast.io links in a VDO.Ninja group room.