Returns whether a character is muted or silenced. If the
channel argument is specified, this function checks the given character's voice/silence status on the channel as well as for whether the character is on the player's Muted list.
See also Unit functions, Voice functions.
unit- A unit to query (
name- Name of a character to query (
channel- Name of a voice channel (
muteStatus- 1 if the character is muted; otherwise nil (