toggle-mute.AppleScript

try
	tell application "System Events"
		tell process "Telefon"
			if menu item "Mikrofon an" of menu 1 of menu bar item "Anruf" of menu bar 1 exists then
				set frontmost to true
				click menu item "Mikrofon an" of menu 1 of menu bar item "Anruf" of menu bar 1
			else
				if menu item "Mikrofon aus" of menu 1 of menu bar item "Anruf" of menu bar 1 exists then
					set frontmost to true
					click menu item "Mikrofon aus" of menu 1 of menu bar item "Anruf" of menu bar 1
				end if
			end if
		end tell
	end tell
on error errorMessage number errorNumber
	display dialog "ERROR: " & errorMessage
end try