MediaServer

UnMute

Unmutes the specified/assumed/elicited player.

Invocation options (choose based on grammar-fit):

Alexa, [ open / start / launch ] MediaServer
Alexa, [ ask / tell ] MediaServer [ to / for ] …

unmute
unmute {Player}
unmute the sound
unmute this player
unmute the {Player}
unmute {Player} player
unmute the {Player} player