This command unmutes a player who you have previously muted with the voite_mute command. Use voice_reset_mutelist to reset all mutes.
voice_unmute [Player #]
||The player number of the user you wish to unmute. Find player numbers with the voice_show_mute command.
This command mutes the user with the specified ID. Find the ID of a user with the voice_show_mute command.
This command sets whether or not voice communication is enabled for your client. Setting this to 0 will disable voice. Default is 1 (enabled).
This command sets the volume of voice communications (i.e. how loud all other players microphones are). Default is 1 (loudest), 0 would mute, 0.5 would be 50% volume.
This command, if set to 0, will make CS:GO not use your operating system's device set as the default microphone device.
This command, if set to 1, will make your microphone playback via your speakers (i.e. you will hear your microphone). Default is 0 (disabled). Usually there is a little delay, this is normal.
This command sets the volume theshold at which your microphone will be enabled if you are using voice activation. In other words, when your microphone is louder than this value, it will be transmitted in-game.
This command prints a list of players (with their player #s) who can be muted.
This command sets whether or not voice casting is enabled, and if so, the account number of the user who is casting. We assume (untested) that the account number is the 3 ID of the caster without the STEAM_0:1 part of the ID. Format is usually STEAM_0:1:#####.