When qt-dbus is installed on your system you can control Mumble through dbus.
mumble-mute () { qdbus net.sourceforge.mumble.mumble / setSelfMuted true } mumble-unmute () { qdbus net.sourceforge.mumble.mumble / setSelfMuted false } mumble-deaf () { qdbus net.sourceforge.mumble.mumble / setSelfDeaf true } mumble-undeaf () { qdbus net.sourceforge.mumble.mumble / setSelfDeaf false }
qdbus net.sourceforge.mumble.mumble /
If you start Mumble mehrfach gestartet multiple times then you can only control the first instance.