# File sipper/media/sipper_media_proxy.rb, line 42
    def shutdown
      begin
        t =  TCPSocket.new(SipperConfigurator[:LocalSipperIP], @controller_port)
        #t.setsockopt(Socket::IPPROTO_TCP, Socket::NONBLOCK, true)
        t.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, true)
      rescue SystemCallError
        return
      end     
      command = "COMMAND=SHUTDOWN"
      t << [command.length].pack("N") << command
      len = t.readpartial(4).unpack("N")[0]
      reply = t.readpartial(len)
      logd ("Received media shutdown Reply #{reply}")
      t.close
    end